576 results about "Inter layer" patented technology

The invention discloses a multilayer co-extrusion heat-shrinkable film and a preparation method thereof, the film comprises an outer wear-resistant layer, a middle support layer and an inner functional layer, the thickness ratio of each layer is 1: 3: 1-1: 5: 1, the total thickness is 50-150 [mu] m, and the raw materials are prepared according to respective formulas. The preparation method comprises the steps of raw material preparation, melt mixing, die head extrusion, two-way stretching, water-cooling shaping, electronic crosslinking, aging treatment, heating softening and cold and hot shaping. The carbon nanotubes (CNT) and the h-BN nanosheets synergistically hinder crack propagation in the middle layer, so that the crack propagation resistance of the film is remarkably improved, the tensile strength, the thermal shrinkage rate and other properties are also optimized, compared with a traditional film, the comprehensive properties of wear resistance, high strength and high thermal shrinkage rate are achieved through interface collaborative design, meanwhile, the production cost is reduced by 20-30%, and the application prospect is wide. The method is suitable for food packaging, electronic device protection and other fields.

The utility model discloses a multilayer composite enameled wire and a painting device thereof, the multilayer composite enameled wire comprises a copper wire core (1), the surface of the copper wire core (1) is provided with a primer layer (2), a middle layer (3) and a finishing coat layer (4) from inside to outside in sequence, the primer layer (2) is formed by compounding 12-14 high-toughness polyurethane layers with the same thickness, the thickness of the primer layer (2) is 12-28 microns, and the thickness of the finishing coat layer (4) is 12-28 microns. The middle layer (3) is formed by compounding 8-10 thermosetting resin layers with the same thickness, the thickness of the middle layer (3) is 8-20 microns, the finish paint layer (4) is formed by compounding 4-6 epoxy resin layers with the same thickness, and the thickness of the finish paint layer (4) is 4-12 microns; and the high-toughness polyurethane layer, the thermosetting resin layer and the epoxy resin layer are formed by independently baking. According to the utility model, the insulating property of the enameled wire can be improved, and the painting effect of the enameled wire is improved while the painting cost of the enameled wire is reduced.

The invention provides a wave-absorbing material, and belongs to the technical field of electromagnetic wave absorption. The wave-absorbing material comprises a metal reflection bottom layer, a wave-absorbing middle layer and a scattering upper layer, the wave-absorbing middle layer is made of a ferroferric oxide loaded reduced graphene oxide and epoxy resin (Fe3O4 (at) RGO / EP) composite material and used for absorbing electromagnetic wave energy, and the scattering upper layer is of a patterned metasurface structure made of chopped carbon fiber reinforced epoxy resin (SCF / EP). And a phase-regulated two-dimensional periodic array is formed. By arranging a three-layer structure of the metal reflecting layer, the Fe3O4 (at) RGO / epoxy composite wave-absorbing layer and the chopped carbon fiber scattering layer, broadband absorption and directional scattering control of electromagnetic waves within the range of 2-18 GHz are achieved, a stealth function composite material system with dissipation and deflection dual-mechanism cooperative work is formed, the structure utilizes the patterning design of the scattering layer, and the structure has the advantages that the structure is simple, the structure is compact, and the application range is wide. On the basis of the generalized Snell's law, engineering regulation and control of the radar wave reflection direction are achieved by regulating and controlling the reflection phase difference between pattern units, reflection energy is effectively deviated from the main lobe direction of a radar receiver, and therefore the reflection signal intensity of a target in a radar detection system is reduced.

The invention provides a transparent bulletproof ceramic composite structure with an electric heating function and a preparation method of the transparent bulletproof ceramic composite structure. The composite structure comprises an anti-splashing layer (1), a first middle layer film (2), a multi-layer stacked structure (3) of glass sheets and films, a first transition layer (4), an electric heating film layer (5), a second transition layer (6), a ceramic layer (7), a first antireflection film layer (8), a second antireflection film layer (9), a third antireflection film layer (10), a second middle layer film (11), an inorganic glass layer (12), a third transition layer (13) and an anti-static layer (14) which are arranged in sequence. The composite structure provided by the invention has excellent impact resistance and bulletproof grade, can effectively resist the damage of high-speed elastic sheets or impact objects, and meets the requirements of high-safety application scenes such as weapon armors, armed airplanes and high-speed trains; and the anti-static film has clear optical observation capability, high transmissivity and anti-static property.

The invention discloses a hard coating with thermal stability and high-temperature oxidation resistance as well as a preparation method and application of the hard coating, and belongs to the technical field of nitride hard coatings. The hard coating is composed of a bottom columnar crystal TiAlN base coat, a middle columnar crystal AlTiCrN middle layer and an AlCrSiBN surface layer of a surface nanometer composite structure. Low-aluminum TiAl target deposition is adopted for the TiAlN base layer, high-aluminum AlTi target and AlCr target co-deposition is adopted for the middle of the TiAlN base layer, and high-aluminum AlCrSiB target deposition is adopted for the AlCrSiBN surface layer; the thickness of the TiAlN base coat is 0.1 to 0.5 [mu] m; the thickness of the AlTiCrN intermediate layer is 1.0 to 2.0 [mu] m; and the thickness of the AlCrSiBN surface layer is 0.05 to 0.2 [mu] m. The coating has high film-substrate binding force, thermal stability and high-temperature oxidation resistance. The inner layer of the coating has excellent thermal stability, and the outer layer of the coating has excellent high-temperature oxidation resistance, so that the coating has wide application prospects on the surfaces of products such as cutting tools and molds.

Techniques for joining dissimilar materials in microelectronics are provided. Example techniques direct-bond dissimilar materials at an ambient room temperature, using a thin oxide, carbide, nitride, carbonitride, or oxynitride intermediary with a thickness between 100-1000 nanometers. The intermediary may comprise silicon. The dissimilar materials may have significantly different coefficients of thermal expansion (CTEs) and / or significantly different crystal-lattice unit cell geometries or dimensions, conventionally resulting in too much strain to make direct-bonding feasible. A curing period at ambient room temperature after the direct bonding of dissimilar materials allows direct bonds to strengthen by over 200%. A relatively low temperature anneal applied slowly at a rate of 1° C. temperature increase per minute, or less, further strengthens and consolidates the direct bonds. The example techniques can direct-bond lithium tantalate LiTaO3 to various conventional substrates in a process for making various novel optical and acoustic devices.

The invention provides an aluminum matrix composite laser welding structure and a welding method thereof. The welding structure comprises a first base material, a second base material, a middle layer, a first foil layer and a second foil layer. The first base material is made of a silicon carbide particle reinforced aluminum-based composite material; the second base material is a silicon carbide particle reinforced aluminum-based composite material; the middle layer is formed by mixing and pressing modified silicon carbide particles and active metal powder; one side of the first foil material layer abuts against the first base material, and the other side of the first foil material layer abuts against the middle layer; one side of the second foil material layer abuts against the second base material, and the other side of the second foil material layer abuts against the middle layer. The structure of the weld joint can be effectively improved, welding defects are reduced, and the connection strength and overall performance of the weld joint are improved.

The invention discloses a preparation method of a high-toughness low-conductivity anti-radiation thermal barrier coating. The invention belongs to the technical field of thermal barrier coating materials. Aiming at the problems of thermal expansion mismatch of a precious metal second phase, failure of a multilayer structure interface and insufficient toughness of a glass ceramic-based coating in an existing coating, the invention provides a composite gradient structure design. By introducing the glass ceramic intermediate layer and the gradient functional surface layer and combining plasma spraying and high-temperature sintering processes, the characteristics of high toughness, low heat conductivity, radiation resistance and high-temperature self-healing of the coating are realized. The method comprises the following specific steps: step 1, substrate pretreatment; step 2, bonding layer preparation; step 3, glass ceramic intermediate layer deposition; step 4, functional surface layer gradient spraying; the thermal conductivity of the obtained coating is lower than 0.8 W / (m.K), the bonding strength is larger than 35 MPa, the fracture toughness reaches 4.0 MPa.m < 1 / 2 >, the infrared reflectivity at the waveband of 0.3-10 microns is larger than 0.85, and microcrack self-healing can be achieved at the temperature of 1200 DEG C. The method is suitable for ultra-high-temperature service environments such as aero-engine turbine blades.

The invention discloses an oxidized carbon black composite material and application of the oxidized carbon black composite material in a coating, and belongs to the technical field of carbon black material production.The oxidized carbon black composite material is subjected to a three-layer gradient design of a carboxylation inner core, a double-functional middle layer (hyperbranched and epoxy group) and a polyaniline / DBSA shell; three major breakthroughs of the prepared coating are realized: dispersibility and conductivity are compatible: the settling rate is less than or equal to 1.9% (solving agglomeration), and the resistance is less than or equal to 3.5 * 10 < 4 > omega / sq (constructing a high-efficiency conductive network); hygrothermal environment stability: the resistance change rate is less than or equal to + 9.1% (epoxy group and DBSA synergistically resist hygrothermal degradation); environment protection and waste reduction are achieved, a dispersing agent is replaced with a bio-based material (APG06), and the performance is not affected.

The invention discloses a Ti-Al-Mo-Ta-Cr multi-element interlayer for diffusion welding of titanium-aluminum series dissimilar alloys and application of the Ti-Al-Mo-Ta-Cr multi-element interlayer, and belongs to the field of diffusion welding of dissimilar metals. The middle layer is prepared from the following components in percentage by mass: 68.31 percent to 73.64 percent of Ti, 14.78 percent to 14.90 percent of Mo, 6.50 percent to 6.54 percent of Ta, 4.82 percent to 4.84 percent of Al and 0.13 percent to 5.54 percent of Cr, and the sum of the mass percent of all the components is 100 percent. According to the Ti-Mo-Ta-Al-Cr five-element interlayer alloy disclosed by the invention, the oxidation resistance of a diffusion welding joint can be effectively improved.

The invention discloses a Ti-Nb-Zr / MAX phase / Cr-C-N multi-layer composite coating bipolar plate and a preparation method thereof. The multi-layer composite coating sequentially comprises a Ti-Nb-Zr alloy transition layer, an MAX phase middle layer and a Cr-C-N nano composite surface layer from inside to outside. According to the Ti-Nb-Zr / MAX phase / Cr-C-N multi-layer composite coating bipolar plate and the preparation method thereof, through the synergistic effect of the Ti-Nb-Zr alloy transition layer, the MAX phase middle layer and the Cr-C-N nano composite surface layer, the comprehensive optimization of the coating performance is realized: the Ti-Nb-Zr alloy transition layer provides excellent matrix adhesive force and stress buffer effect; the MAX-phase intermediate layer provides a main corrosion-resistant barrier and self-repairing capability; the Cr-C-N nano composite surface layer provides low contact resistance and good surface stability; and meanwhile, the interlayer stress is effectively reduced by utilizing the gradient transition region, the bonding strength and long-term stability of the coating are improved, and the comprehensive performance of the multi-layer composite coating bipolar plate is effectively improved.

The invention discloses a multi-layer coated nano silicon negative electrode material and a preparation method and application thereof. The material is of a core-shell structure with a silicon core, a silicon dioxide middle layer, a hard carbon layer and a soft carbon outer layer. The preparation method comprises the following steps: (1) inner layer coating: generating a silicon dioxide or lithium silicate coating layer on the surface of nano silicon particles or silicon-based composite particles through in-situ oxidation or ectopic coating to form a core-shell structure; (2) middle layer coating: coating the surface of the core-shell structure obtained in the step (1) with a lithium-source-containing hard carbon or porous carbon layer to form composite particles; and (3) outer layer coating: coating the surfaces of the composite particles obtained in the step (2) with soft carbon, graphitized carbon or an organic-inorganic hybrid carbon layer to form three-layer coated nano silicon particles. Through a three-layer synergistic coating structure, the core problems of violent volume expansion, poor conductivity and unstable SEI film of the silicon negative electrode are effectively solved.

A formed laminated glazing for a vehicle, includes two sheets of glass of different thicknesses separated by an interlayer made of polymer material, the thickness E1 of the thick glass V1 being such that 1.4 mm≤E1≤3.9 mm, the thickness E2 of the thin glass V2 being such that 1.1 mm≤E2≤2.6 mm, the thickness E3 of the polymer material M being such that 0.3 mm≤E3≤1.2 mm, the total glass thickness EV being such that 2.5 mm≤EV≤5.7 mm, the ratio of the thicknesses E2 / E1 being such that 0.34≤E2 / E1≤0.9. This glazing combines rigidity, acoustic performance and ease of manufacture.

The invention discloses a method for diffusion bonding of titanium alloy and stainless steel by using an intermediate layer, which is characterized in that a layer of Ta material and a layer of Ag material are sequentially arranged between a titanium alloy workpiece and a stainless steel workpiece as the intermediate layer, and diffusion welding is realized by heating and pressurizing. The method is applied to diffusion welding connection between Ti alloy and stainless steel, and the problems of brittle phase generation, residual stress concentration, insufficient connection strength and the like caused by large thermal expansion coefficient difference and high interface reaction activity of dissimilar materials can be effectively solved. And the connection residual stress can be better reduced, the connection strength is improved, and the joint interface quality and the overall mechanical property are improved.

A multilayer, monoaxially stretched, recyclable film (1) for a laminate (7). The film (1) has outer layers (3) and at least one inner barrier layer (6), with a tie layer (5) arranged between each of these. At least one further, functional intermediate layer (4) is arranged between each of the outer layers (3) and the barrier layer (6).

The method for manufacturing a composite substrate includes: forming an intermediate layer on a support substrate; respectively irradiating FAB on the surface of the piezoelectric material substrate and the surface of the intermediate layer formed on the support substrate; the surface of the piezoelectric material substrate is further irradiated with FAB, and a sputtering film containing the material of the piezoelectric material substrate is formed on the surface of the middle layer; a bonding step for bonding the piezoelectric material substrate and the intermediate layer on which the sputtering film is formed to obtain a bonded body having the waveguide substrate; and irradiating the joined body with laser light along the surface direction of the composite substrate, and forming the composite substrate using the joined body irradiated with the laser light.

The invention relates to the technical field of high-temperature-resistant coatings, in particular to a method for repairing a high-temperature-resistant environmental barrier coating, which comprises the following steps of: pretreating a to-be-repaired area on the surface of a ceramic matrix composite material; the surface to-be-repaired area is coated with prepared bonding layer slurry, curing treatment is carried out, and a first bonding layer is obtained; coating the outer surface of the first bonding layer with the bonding layer slurry, and performing curing treatment to obtain a second bonding layer; the outer surface of the second bonding layer is coated with prepared middle layer slurry, curing treatment is conducted, and a middle layer is obtained; coating the outer surface of the middle layer with prepared surface layer slurry, and performing curing treatment to obtain a surface layer; and carrying out surface heat treatment on the ceramic-based composite material coated with the surface layer to obtain the high-temperature-resistant environmental barrier repair coating. The repairing method of the high-temperature-resistant environmental barrier coating aims at solving the problem that the external field repairing difficulty of the local damaged area of the environmental barrier coating on the surface of the ceramic matrix composite is large.

The present invention concerns a laminated glass, comprising first and second glass sheets and a ply of interlayer material therebetween; a heating element arranged on a surface of the second glass sheet adjacent the ply of interlayer material; a circumference of the heating element spaced from an edge of the second glass sheet forming a circumferential region between the circumference and the edge of the second glass sheet where conductive material of the heating element has been at least partly removed; a conductive ring configured in the circumferential region spaced from the circumference and spaced from the edge of the second glass sheet and electrically isolated from the heating element wherein conductive materials of the heating element and the conductive ring are different.

The present disclosure generally relates to spintronic material stacks and devices. A spintronic stack comprises an amorphous layer, a texturing layer comprising one or more materials selected from the group consisting of: TaxW1-x, where x is from zero to 1, MgO, Ru, Ti, TiN, YPt, B2 alloys X—Al, where X is one of Co, Ni, Ru, Rh, or Ir, CrMo, TaxW1-x N, HfN, and TaxHf1-xN, a barrier layer comprising one or more materials selected from the group consisting of: X—AlGe, X—AlGeN, where X is one of Co, Ni, Ru, or Ir, TaxW1-xN, HfN, and TaxHf1-xN, and TiN, a YPtBi layer having a (110), (111), or (100) orientation, an interlayer, and a ferromagnetic layer. The texturing barrier layers each individually comprises a material having a high resistivity to minimize shunting, and function as a crystal symmetry transfer layer to provide the a (110), (111), or (100) orientation to the YPtBi layer.

The invention relates to a multilayer structure for producing a floor covering in tile or plank form comprising successively, from top to bottom: - an upper wear layer; - a middle layer; - an acoustic backing layer; the upper, middle and acoustic backing layers being bonded together and made from polymeric materials, the acoustic backing layer comprising a backing face, which is intended to be laid on the floor and is covered with a pressure-sensitive adhesive having a 90 degree peel resistance of between 0.6 and 4 daN / cm.

The invention relates to the field of anti-explosion and anti-impact materials, and discloses an underwater anti-explosion and anti-impact flexible composite material which is characterized in that the structure of the composite material is sequentially composed of a high-strength flexible outer layer, a high-energy absorption middle layer and a high-strength flexible inner layer. The high-strength flexible outer layer is made of a single-layer or multi-layer high-performance fiber material with the wave impedance within the range of 1.4 * 10 < 4 >-3 * 10 < 4 > MPa.s / m, the high-energy absorption middle layer is made of a foam material with the wave impedance within the range of 0.1-1.5 MPa.s / m, and the high-strength flexible inner layer is made of a single-layer or multi-layer high-performance fiber material with the wave impedance within the range of 1.4 * 10 < 4 >-3 * 10 < 4 > MPa.s / m. Based on the wave impedance mismatch theory, the high-strength flexible outer layer, the high-energy absorption middle layer and the high-strength flexible inner layer are combined together through the design of the multi-layer composite structure, so that the composite material can provide excellent impact resistance and can effectively absorb and dissipate impact energy.

The present invention discloses a method for preparing cobalt-based composite particles with adjustable multilayer gaps, comprising the following steps: first, preparing a Co core; second, coating with SiO2; third, coating with Fe; fourth, coating with Co; and fifth, removing the Fe intermediate layer. This method utilizes structural design of the particles to increase the material's microwave absorption loss, resulting in composite particles with excellent microwave absorption properties. Furthermore, the gaps between the spherical shells can be tailored to the microwave frequency range in which the material is intended to operate, achieving enhanced absorption and effectively improving the material's microwave absorption loss performance.

A multilayer film suitable for manufacturing a stretch hood used to secure palletized goods during shipment and transport. The multilayer film comprises at least three layers and includes a first layer comprising a linear low density polyethylene resin having a melt index within the range of 0.20 and 0.60 dg / min and a density within the range of 0.910 to 0.914 g / cm3, a second layer comprising a linear low density polyethylene resin having a melt index within the range of 0.20 and 0.60 dg / min and a density within the range of 0.910 to 0.914 g / cm3, and at least one intermediate layer in between the first and second layers, the intermediate layer or layers including a linear low density polyethylene resin having a fractional melt index and a thermoplastic polyolefin having a melt index within the range of 0.30 and 0.70 dg / 10 min and a density within the range of 0.870 to 0.890 g / cm. The multilayer film having a total thickness between 4.85 and 6.7 mils and a density between 0.909 and 0.913 g / cm3. A stretch hood fabricated from such multilayer film exhibits exceptionally high holding force and, provides robust stability when utilized on palletized goods during transport. A method of manufacture of such multilayer film is also provided.

(Task) After an intermediate layer 2 is provided on a roughened surface 1a of a piezoelectric material substrate 1 and the piezoelectric material substrate 1 and the intermediate layer 2 are subjected to polishing on both sides, the task is to suppress the separation of a composite body when a bonding surface of the intermediate layer 2 is bonded to a support substrate. (Solution) An interlayer 2 is applied to a first main surface 1a of a piezoelectric material substrate 1, comprising the first main surface 1a and a second main surface 1b, to form a laminate body 10. At this stage, the first main surface 1a is roughened. The laminate body 10 undergoes double-sided polishing to polish the second main surface 1b of the piezoelectric material substrate 1 and a bonding surface 2a of the interlayer 2. The bonding surface 2b of the interlayer 2a is bonded to a carrier substrate 3. During the polishing step, the ratio of the average polishing degree of an outer circumferential portion of the interlayer 2 to the average polishing degree of the inner portion of the interlayer (average polishing degree of the outer circumferential portion / average polishing degree of the inner portion) is 1.1 or higher and 1.2 or lower, respectively.

Method for manufacturing an integrated chip structure comprising the following steps: Production (1902) of a first-material intermediate layer (1304) over a substrate; Production (1904) of a second-material interlayer (1306) on the first-material interlayer (1304); Structuring (1906) the second-material interlayer (1306) to produce an insulating layer (106); Structuring (1908) the first-material intermediate layer (1304) to produce a first-material layer (104) with an outermost side wall (104s) inset inwards from an outermost side wall (106s) of the insulating layer (106); Performing (1912) an ion bombardment process on the insulating layer (106) to remove one or more atoms from the insulating layer (106); and Performing (1914) a redeposition process to redeposit the one or more atoms on the outermost side wall (104s) of the first material layer (104) and to produce a self-filling spacer (112) under the insulating layer (106), wherein the self-filling spacer (112) is produced by a plurality of cycles, each comprising the ion bombardment process (1912) followed by the re-deposition process (1914).

The application discloses a method for preparing a gradient W-Ta alloy nanometer film, and comprises the following steps: firstly, cleaning W target material, Ta target material and a single crystal Si substrate; secondly, installing the cleaned W target material, the Ta target material and the single crystal Si substrate in a cavity of a magnetron sputtering device to obtain an assembled magnetron sputtering device; thirdly, vacuumizing the cavity of the assembled magnetron sputtering device; fourthly, pre-sputtering each target material; and fifthly, sputtering to obtain the gradient WTa alloy nanometer film. By controlling the installation power position of the target material and the Ta target material and the process parameters of a direct current power source and a radio frequency power source in the sputtering process, a hard base layer, an intermediate layer and a soft surface layer are sequentially deposited on the base to obtain the gradient WTa alloy nanometer film with a tough surface and a hard core, the room temperature plastic deformation capacity of the WTa alloy is improved under the premise of ensuring the strength, and the method is efficient, convenient and highly controllable.

The application discloses a method for brazing large-size joints of SiC and Al / SiC composite materials by using a three-dimensional grid magnesium aluminate composite interlayer, and belongs to the field of brazing connection of space mirrors. The application aims at solving the problem of residual stress in the brazing connection between a large-size SiC space mirror and an Al / SiC composite support. The method comprises the following steps: 1, preparation of a three-dimensional grid MgAl2O4 composite interlayer; 2, compounding of the three-dimensional grid MgAl2O4 composite interlayer and a brazing filler metal; 3, assembling; and 4, brazing. The application is used for brazing large-size joints of SiC and Al / SiC composite materials by using a three-dimensional grid magnesium aluminate composite interlayer.

The invention relates to a composite structure comprising: - a seed layer of single-crystal III-V composite material extending in a principal plane, - a support substrate of crystalline material, on which the seed layer is deposited via a bonding interface, the support substrate comprising a peripheral rim devoid of a seed layer, the peripheral rim extending around an edge of the seed layer in the principal plane, - an intermediate layer of amorphous material, disposed between the seed layer and the support substrate and present on the peripheral rim, - at least one trench present in the peripheral rim, extending, along an axis normal to the principal plane, through the intermediate layer to the support substrate, or even into the support substrate, the trench being located less than 100 micrometers from the edge in the principal plane. The invention also relates to a method for manufacturing said structure.Figure to be published with the abbreviation: -.

Disclosed is a bearing ring (1) having a sandwich structure of at least three layers (2, 4-1, 4-2, 6), a first layer (2) at least partially forming a running surface (8), a second layer (6) being arranged on the first layer (2) as an intermediate layer, and a third layer (4-1, 4-2) being arranged at least partially on the intermediate layer (6) and taking the form of a split ring.

The invention relates to a high-temperature protective coating of a small elbow assembly with a double-layer thin-wall structure as well as a preparation method and application of the high-temperature protective coating, and relates to the technical field of high-temperature coating materials. The high-temperature protective coating comprises a bottom layer, a middle layer and a surface layer, wherein the bottom layer is prepared from the following elements: 19-26% of Co, 14-20% of Cr, 11-14% of Al, 0.2-0.8% of Y, 0.1-0.5% of Hf, 0.1-0.7% of Si and the balance of Ni; the middle layer material is prepared from the following components: 6-8% of Y2O3, 0-2% of HfO2 and the balance of ZrO2; the surface layer material is prepared from the following components: 8 to 11 percent of Y2O3, 4.5 to 7.5 percent of Yb2O3, 4.5 to 7.5 percent of Gd2O3, 30 to 0.03 percent of Fe2O3, 0 to 2 percent of HfO2 and the balance of ZrO2. The high-temperature protective coating has excellent bonding strength, thermal shock cycle performance and thermal shock cycle performance.