194results about How to "Good hardening effect" patented technology

The present invention provides a lithium ion battery anode material comprising a submicron-scaled graphitic fibril having a diameter or thickness less than 1 μm but greater than 100 nm, wherein the fibril is obtained by splitting a micron-scaled carbon fiber or graphite fiber along the fiber axis direction. This type of graphitic fibril exhibits exceptionally high electrical conductivity, thermal conductivity, elastic modulus, and strength. The anode material exhibits a high reversible capacity and good charge/discharge cycling stability for both low and high charge rate conditions. Another preferred embodiment of the present invention is an anode active material containing a graphitic fibril with a diameter greater than 1 μm but less than 6 μm obtained by splitting a carbon fiber or graphite fiber of at least 6 μm in diameter.

The invention discloses a multi-point male die liquid-filling drawing forming device and a multi-point male die liquid-filling drawing forming method for a plate, relates to a device and a method for forming thin-walled curved plate parts, and aims to solve the problem of difficulty in forming of thin-walled and deep-cavity parts with complicated curved surfaces. A plurality of small punches are independently arranged; the upper ends of the small punches penetrate into through holes in a male die body; the upper end of each small punch is connected with a linear driving device; a female die is a semi-closed cavity of which the upper end is opened and the lower end is closed; an elastic base plate and a metal protection plate are superposed on the upper end surface of the female die from bottom to top. The heights of the small punches are adjusted to realize the construction of an outer contour of a multi-point male die; a to-be-formed plate blank, the elastic base plate and the metal protection plate are sequentially arranged on the upper end surface of the female die; a blank holder moves down to be assembled with the female die, and the multi-point male die moves down and applies a drawing force to the to-be-formed plate blank; meanwhile, a liquid medium is filled into an inner cavity of the female by the aid of a pressurizing system until drawing is completed to obtain parts of a required shape. The device and the method are used for forming the plate, and the thin-walled and deep-cavity parts with the complicated curved surfaces can be formed.

The invention discloses a device for manufacturing a hollow filter stick with a special shape. A certain distance is spaced between a forming machine and an opener; a steam hardening device is mounted within the section of the distance and comprises a group of high pressure air nozzles, a forming tongue, a cloth band mechanism used for clamping a tow band to move forward, a cigarette gun passage and a steam generator, wherein the cloth band mechanism is connected with a host driving device; the high pressure air nozzles are connected with the opener and used for receiving the tow band conveyed by the opener while output ends of the high pressure air nozzles are communicated with the forming tongue; the tow band is conveyed into the forming tongue; and a strip-shaped hollow mould is fixed on the front end of the forming tongue. The invention has the advantage that a better hardening promoting effect can be obtained because the steam hardening device and a plasticizer heating device (the steam generator) are added. Moreover, in the product, the curing time of the filter stick is largely shortened by using modified glyceride.

The invention discloses high strength precoated sand, comprising the components of raw sand, a binder, a firming agent, a coupling agent and a lubricant, wherein the dosage of the firming agent is 60-70% of that of the binder; the dosage of the coupling agent is 1-3% of that of the binder; the dosage of the binder is 5-8% of that of the raw sand; the dosage of the lubricant is 1-2% of that of the raw sand; the binder comprises the following ingredients in parts by weight: 60-70 parts of phenolic resin, 10-30 parts of high alumina bauxite powder and 10-20 parts of ferric oxide powder; and the firming agent comprises the following ingredients in parts by weight: 70-80 parts of hexamine, 15-25 parts of potassium nitrate and the balance water. The precoated sand of the invention has higher strength and stronger toughness.

The invention discloses a fireproof material for a mending furnace as well as a preparation method and a using method thereof. The fireproof material for the mending furnace comprises magnesia, magnesium powder, aluminium oxide, calcium oxide and sodium hexametaphosphate, wherein the total weight of the fireproof material for the mending furnace is used as a reference, the total content of the magnesia and the magnesium powder accounts for 80-90 percent by weight; the content of the aluminium oxide accounts for 3-7 percent by weight; the content of the calcium oxide accounts for 3-7 percent by weight; the content of the sodium hexametaphosphate accounts for 3-7 percent; and the main components of the magnesia and the magnesium powder are MgO. The fireproof material for the mending furnace is high in adhesive ratio, good in stickiness, solidification and hardness, and low in resilience value during mending; and therefore, a mending layer formed by the fireproof material for the mending furnace is good in anti-erosion performance and long in service life.

The present invention relates to a stripping film, a polarizing film with the stripping film and a two-sided bonding sheet without base material. the present invention provides the stripping film capable of implementing a high precision examination through a cross Nickle method and having a good peeling performance. the stripping film of the invention is formed by setting a stripping layer on a stripping film base material. The stripping film base material is a polyester film extending bidirectionally or unidirectionally. A stripper layer hardens an organopolysiloxane having alkenyl with 6-10 of carbon atoms in a molecule and a addition reaction type silicon resin composition of a MQ resin with alkenyl in a molecule, and covers by a film. In a sample sampled by the stripping film, a distribution range of an inclination angle (orientation angle) of an orientation main shaft of the stripping film base material is less than 5 DEG relative to an straight line shaft of a random direction.

The invention discloses a treating agent for inhibition of harm of montmorillonite clay to concrete and a using method thereof, and the treating agent belongs to the technical field of concrete additives, is used for inhibition of harm of the montmorillonite clay to concrete with a poly carboxylic acid doped water reducing agent, and solves the problem of complex technology, high cost, and bad effect of technological means in the prior art. The treating agent for inhibition of harm of montmorillonite clay to concrete comprises the following components by mass: 25%-35% of an intercalation adsorbent, 45%-55% of a dispersing agent and 10%-25% of a stabilizer. When in use, the dosage of the treating agent for inhibition of harm of montmorillonite clay to concrete is 0.01% to 0.03% of the dosage of a cementitious material in the concrete. The treating agent can effectively reduce the poly carboxylic acid doped water reducing agent adsorption of the montmorillonite clay, improves concrete performance, and has the advantages of simple preparation process, small dosage, and low cost of production and use.

The invention discloses a heat treatment method capable of improving natural aging stability of 6000-series aluminum alloy and an aluminum alloy plate, and relates to the technical field of aluminum alloy heat treatment. The heat treatment method comprises the following steps that a 6000-series aluminum alloy plate is subjected to solid solution treatment and quenched to 40-60 DEG C, heat is preserved for 5-20 min, then the temperature is quickly increased to 100-120 DEG C, heat is preserved for 2-5 min, and then the plate is cooled to the room temperature. By means of the method, the problems that a traditional solid solution pre-aging treatment method is poor in natural aging stability and short in bake hardening performance maintaining time are relieved. By adoption of the heat treatment method, the stability in the room temperature stagnating process can be better regulated and controlled, and thus adverse influences of natural aging are restrained; and not only can the aluminum alloy keep a good forming property for a long time, but also the paint-bake hardenability of the aluminum alloy is obviously improved, after paint baking, the strength and hardness of the obtained aluminum alloy plate are obviously improved, the yield strength is greater than 200 MPa, and the hardness is greater than 95 HB.

Disclosed is a compound containing a divalent group represented by formula (I). (In formula (I), Ar¹ represents an arylene group, a divalent heterocyclic group or a divalent aromatic amine group; J¹ represents a phenylene group; J² represents an alkylene group; X represents an oxygen atom or a sulfur atom; j represents 0 or 1, k represents an integer of 0-3, and l represents 0 or 1, while satisfying 1≦j+k+l≦5; m represents 1 or 2; R¹ represents a hydrogen atom, an alkyl group, an alkoxy group, an alkylthio group, an aryl group, an aryloxy group, an arylthio group, an arylalkyl group, an arylalkoxy group, an arylalkylthio group, an arylalkenyl group, an arylalkynyl group, an amino group, a substituted amino group, a silyl group, a substituted silyl group, a halogen atom, an acyl group, an acyloxy group, an imine residue, a carbamoyl group, an acid imide group, a monovalent heterocyclic group, a carboxyl group, a substituted carboxyl group, a cyano group or a nitro group; the plurality of R¹'s may be the same as or different from each other; and when there are a plurality of J¹'s, J²'s, X's, j's, k's or l's, the J¹'s, J²'s, X's, j's, k's or l's may be the same as or different from each other, respectively.)

The invention relates to an ultralow-carbon bake-hardened steel plate blank which comprises the following chemical components in percentage by weight: 0.0015-0.0030% of C, at most 0.03% of Si, 0.30-0.60% of Mn, 0.030-0.050% of P, at most 0.015% of S, 0.015-0.060% of Alt, 0.005-0.025% of Nb, at most 0.0050% of N, 0.0005-0.0020% of B and the balance of Fe. The invention also relates to of a control method of the solid solution carbon content of the ultralow-carbon bake-hardened steel, which comprises the following steps: sequentially carrying out pre-desulfurization and slag removal treatment on molten iron to obtain first molten iron with the sulfur content of at most 0.003%; smelting the first molten iron to obtain first molten steel with the carbon content of 0.025-0.050%; refining the first molten steel by a vacuum refining furnace to obtain second molten steel; sending the second molten steel into a continuous casting procedure, injecting into a carbon-free tundish, and casting the molten steel to obtain the ultralow-carbon bake-hardened steel plate blank, wherein the carbon increase amount of the second molten steel in the continuous casting process is at most 0.0003%. The control method shortens the smelting time in the vacuum refining furnace, enhances the production efficiency, and enhances the primary smelting hit rate of the plate blank composition.

The invention relates to a technology for preparing a silver rare earth oxide electric contact material for a low voltage electric apparatus with a liquid phase method. According to the method, a chemical reduction method is combined with a homogeneous precipitation method to prepare nano-silver and rare earth oxide powder, and the silver rare earth oxide electric contact material is prepared by adopting a powder metallurgy technology, so that the contact material has high hardness, density and electric conductivity. The material used in the technology is easily available and little, and the cost is low; the chemical reduction method is combined with homogeneous precipitation method to prepare nano-silver and rare earth oxide powder, so that the technology is simple, the nano-silver and rare earth oxide powder are easy for industrial production, and the technology is environment-friendly and meets the currently recommended requirement of low-carbon production; and the contact material has good electrical property, 10%-30% of silver can be saved, and the contact material is a novel silver-saving electrical contact material.

The invention discloses a manufacturing method of a silver tin oxide contact alloy material and a manufactured alloy thereof. The method comprises the following steps: 1.smelting: smelting the ingredients at the preset temperature and continuing to stir in the process of smelting; 2. casting the ingredients into a round spindle and lathing the surface of the round spindle; 3. carrying out hot rolling and then cold rolling on the round spindle and then rolling the round spindle into sheets; 4. carrying out oxygenation processing on the sheets in an internal oxidation furnace; 5. crushing the sheets and then carrying out high energy crushing processing on the crushed sheets; 6. carrying out hot extrusion to obtain a wire stock blank; 7. carrying out drawing processing and annealing treatment; and 8. taking the obtained material as the finished product. The alloy comprises the following components in percentage by weight: 7%-9% of Sn, 1.0%-3.0% of rare earth additive and the balance of Ag. The invention has the advantages of more simplified technique, easy implementation and excellent product performance.

The invention discloses a high manganese steel which contains tungsten, and the high manganese steel contains chemical constituents in the following mass percent: C: 1.05%-1.35%, Si: 0.3%-0.9%, Mn: 11%-19%, W: 0.5%-1.5%, P<=0.070% and S<=0.045%, and the rest is Fe, furthermore, the high manganese steel also can contain a rare earth element RE, and the content of the RE is 0.01%-0.3%. The high manganese steel also can contain Cr and the content of the Cr is 1.2-2.5%. The high manganese steel which contains the tungsten of the invention is added with the elements of tungsten, rare earth element RE and chrome in particular when the content of the Mn is 16%-19%, which enables the whole high manganese steel to have the advantages of good toughness, high yield strength, high work hardening degree, better abrasive resistance and the like compared with the existing steel, and thereby the application range of the high manganese steel is enlarged. The high manganese steel of the invention is suitable for preparing fitting parts which are used in the working condition of abrasion and in particular to impact abrasion.

The invention relates to the technical field of aluminum alloy processing, in particular to a preparation method of an aluminum alloy plate for aviation. The aluminum alloy comprises the following chemical components of, in percentage by mass, 0.05%-0.2% of zirconium, 0.05%-0.2% of scandium, 3.0%-6.0% of zinc, 3.0%-6.0% of magnesium, 3.0%-4.0% of copper, 0.2%-0.4% of silver, 0.05%-0.2% of lithium,1.0%-1.5% of manganese, 0.8%-1.5% of silicon, 0.20%-0.40% of titanium, 0.05%-0.1% of ruthenium, and the balance aluminum and inevitable impurities, and the content of the impurities is controlled tobe 0.15% or below; and an aluminum alloy melt is prepared according to pre-prepared materials, ultrasonic vibration is adopted in a refining process to refine grains, and then the aluminum alloy platefor the aviation is obtained through pouring, homogenization, extrusion, solid solution treatment, pre-stretching and three-stage aging treatment. According to the corrosion resistance aluminum alloyplate for the aviation and the preparation method of the corrosion resistance aluminum alloy plate, the Vickers hardness of the prepared aluminum alloy plate ranges from 175 Hv to 190 Hv, the yield strength ranges from 520 MPa to 562 MPa, the tensile strength ranges from 605 MPa to 656 MPa, the elongation ranges from 9.4% to 12%, the overall performance is excellent, and the aluminum alloy plateis particularly suitable for being used in the aerospace field.

The invention provides a wear-resistant high-hardness high-chromium cast iron and a production process thereof, which relate to the field of metal casting and contain the following components in weight percentage: C 2.52-4.87%, Cr 25.5-35%, Si 1.5-2.5% , Mn 0.2‑0.8%, Mo 0.3‑0.8%, Cu 0.8‑1.5%, Ni 0.25‑0.48%, V 0.13‑0.28%, Al 0.4‑1.2%, Nb 0.28‑0.46%, Bi 0.08‑0.14%, and others For iron and other unavoidable impurities, the high-chromium cast iron can be obtained after the raw materials are melted, deoxidized three times, modified by a Re-Al-Bi-Mg compound modifier, inoculated with a rare earth inoculant, cast, quenched and tempered, The high chromium cast iron produced by the invention has the advantages of good wear resistance, high hardness, macroscopic hardness, high bending strength and impact toughness, and easy processing.

A power generating unit consists of an internal combustion engine (1) and a generator (2), the former comprising a crankshaft (8) received in a crankcase (5) and the generator comprising a generator housing (20) connected to the crankcase (5), a stator (36) and a rotor (30) that is connected so as to rotate with the crankshaft (8). The aim is to provide a power generation unit that requires little space and that allows a precise guidance of a rotor designed for the overall unit power. A concentric stub shaft (11) is fixedly connected at the one end to the crankshaft (8) and at the other end to the rotor (30). The generator housing (20), on its side facing the internal combustion engine (1), has a front plate (21) that accomodates a bearing (23) fort he sub shaft (11). The rotor (30) is otherwise overhung.

The invention discloses a CuNiSn alloy-based self-lubricating composite material used at the room temperature to 500 DEG C and a preparation method thereof. The material is composed of, by mass, 1-12% of Ni, 3-6% of Sn, 0.5-3% of Fe, 0.01-0.08% of Al, 0.01-0.08% of Ti, 1.0-4.0% of graphite, 1.0-6.0% of PbO, 0.1-1.0% of CeF3 and the balance Cu. The material has high-hardness, high-strength, low-friction, abrasion-resistant and self-lubricating characteristics at the room temperature to 500 DEG C and is suitable for manufacturing sliding bearings, sliding plates, rolling bearing holding frames or other parts for equipment within the temperature range.

Fire-scale resistant, work-hardenable-jewelry, silver-alloy compositions having desirable properties of reduced fire scale, reduced porosity, oxide formation and reduced grain size relative to traditional sterling silver alloys while providing improved work hardening performance. These compositions contain at least 86% by weight silver, 0-5-7.5% by weight copper, 0.07-6% by weight of a mixture of zinc an silicon with silicon being present in an amount from about 0.02 to about 2.0% by weight, and from about 0.01 to no more than 2.0% by weight germanium.

This invention relates to a rubber composition for seismic isolation laminate which exhibits excellent damping capacity as well as sufficient hardening properties. Such rubber composition for a seismic isolation laminate comprises at least a diene rubber; and 40 to 160 parts by weight of carbon black having a CTAB specific surface area of 120 to 370 (m /g) and a CTAB specific surface area (m<2> /g) / iodine adsorption (mg/g) of up to 1.0 per 100 parts by weight of the diene rubber.