30results about How to "Realize the integration of structure and function" patented technology

The invention relates to a preparation method of a structure and function integrated neutron absorbing material. The method prepares the structure and function integrated neutron absorbing material byadopting a powder metallurgy method through such processes as burdening, ball milling, molding, sealing, compactness, hot rolling and annealing with boron carbide powder, nanometal oxides, aluminum and alloy powder as raw materials. The structure and function integrated neutron absorbing material prepared by the method is excellent in component uniformity, high in compactness, high in heat conductivity and excellent in mechanical performance.

The invention discloses structure and function integrated high-entropy alloy based on an Al-Nb-Zr-Mo-V-Hf system, and belongs to the field of high-entropy alloy materials. The structure and function integrated high-entropy alloy comprises the components of, by mass, 4-15% of aluminum, 20-30% of niobium, 20-60% of zirconium, 5-15% of molybdenum, 1-5% of vanadium and the balance 0.01-20.0% of hafnium and inevitable impurities. Aiming at the problems that at present, typical high-entropy alloy which is of a BCC structure and difficult to melt, such as TaNbMoW, TaNbMoWV and other elements comprising a lot of high-density metal is high in density, high in cost, poor in plasticity at the room temperature and cannot serve as a structure material for application, meanwhile, full attention is givento study on high-entropy alloy having neutron absorptivity, according to the high-entropy alloy based on the Al-Nb-Zr-Mo-V-Hf system provided by the invention, the special effect of the Hf element issufficiently considered, and accordingly, structure and function integration of the high-entropy alloy is achieved.

The invention provides steel, a preparation method and application thereof. The preparation method comprises the following steps: batching according to the following chemical compositions to obtain araw material, wherein the raw material comprises the following chemical compositions in percentage by weight: 0.08-0.30% of C, equal to or less than 0.5% of Si, equal to or less than 1.0% of Mn, 0.5-2.0% of Cu, equal to or less than 1.0% of Al, 0.01-0.2% of Ce, 0.5-1.5% of Cr, 0.5-1.5% of Mo, equal to or less than 0.3% of V, equal to or less than 0.005% of N, equal to or less than 0.005% of O, equal to or less than 0.005% of S, equal to or less than 0.005% of P and the balance of Fe; sequentially carrying out smelting, pouring and aftertreatment on the raw material to obtain steel; and when the content of each of O and S in a reaction product system is equal to or less than 0.005wt%, adding the element Ce in the reaction product system. The prepared steel has the advantages of being high in strength and toughness and resisting sulfide stress corrosion and microbiological corrosion and realizes integration of structure and function.

The invention discloses an integrated packaging antenna comprising at least one semiconductor chip, an antenna module substrate, an aluminum-silicon adapter plate and a radio frequency module substrate, the antenna module substrate, the aluminum-silicon adapter plate and the radio frequency module substrate are sequentially laminated from top to bottom, and the antenna module substrate comprises an antenna layer LCP substrate, an antenna pattern layer and an antenna grounding layer, wherein the antenna pattern layer and the antenna grounding layer are arranged on the top surface and the bottom surface of the antenna layer LCP substrate. the radio frequency module substrate comprises a radio frequency layer LCP substrate, a radio frequency grounding layer and a radio frequency transmission wiring layer, and the radio frequency grounding layer and the radio frequency transmission wiring layer are arranged on the top face and the bottom face of the radio frequency layer LCP substrate respectively. The problem that a common adapter plate is relatively poor in heat dissipation and cannot serve as a mechanical support is solved; compared with a traditional silicon adapter plate or an LTCC substrate, the cost can be reduced, and heat dissipation can be improved; meanwhile, integration of the substrate and the shell is completed, structural function integration of the substrate and the shell is achieved, and integration, miniaturization and light-weight packaging of an antenna module and a radio frequency module are achieved.

The invention discloses a cluster intelligent control piezoelectric driving moon detection system and a method thereof. The system comprises a main control vehicle, an exploration vehicle group and anoperation vehicle group. The main control vehicle is used for determining exploration and operation targets and paths and respectively distributing the exploration and operation targets and paths tothe exploration vehicle group and the operation vehicle group. The exploration vehicle group and the operation vehicle group respectively complete a lunar surface exploration task and a sample collection task. All mobile systems in the system are driven by a patch type piezoelectric actuator, so that the miniaturization design of the lunar surface detector is realized, and the problem of load increase caused by a plurality of detectors in a cluster form is eliminated. According to the detection system, the reliability and the detection efficiency of the lunar rover are improved by using an intelligent cluster control method.

The invention relates to a design principle of a heat insulation structure used for a high-mach-number air vehicle. When the heat insulation structure of the high-mach-number air vehicle is designed through the principle, the weight of the heat insulation structure can be reduced on the premise that the heat insulation effect is guaranteed. The principle is that heat is taken away through high-speed flowing air and discharged out of the air vehicle, and the heat insulation aim is achieved. The principle is mainly used for designing structures, requiring heat insulation parts, of the high-mach-number air vehicle.

The invention provides a high-damping high-strength high-entropy alloy material with high corrosion resistance and a preparation method of the high-damping high-strength high-entropy alloy material. The high-entropy alloy material is prepared from the following metal raw materials in percentage by atomic number: 20% of manganese, 15% of chromium, 5-20% of cobalt and the balance of iron. The preparation method of the high-entropy alloy material comprises the following steps that manganese particles, chromium particles, cobalt particles and iron particles are weighted according to the atomic percentage content of manganese, chromium, cobalt and iron in the metal raw materials of the high-entropy alloy material; the weighed manganese particles, chromium particles, cobalt particles and iron particles are put into a vacuum induction furnace, the vacuum induction furnace is vacuumized, repeated overturning smelting is conducted under protective gas, and alloy liquid is obtained; the obtained alloy liquid is subjected to heat preservation treatment in the vacuum induction furnace; and the alloy liquid subjected to heat preservation is cast to obtain an alloy ingot. The high-entropy alloy material has excellent damping property, mechanical property and corrosion resistance at the same time.

The invention discloses an aluminum-based titanium diboride composite material for neutron shielding and a preparation method thereof, and relates to the technical field of metal materials. The aluminum-based titanium diboride composite material comprises the following composite materials of, in percentage by mass fraction interval, 1%-20% of magnesium, 0.1%-20% of Gd, 1-20 wt% of TiB2, and the balance aluminum. The preparation method comprises the following steps of A, smelting Al-Mg-Gd (TiB2) raw material to obtain a cast ingot; B, atomizing and spraying powder on the cast ingot to obtain powder; C, performing spark plasma sintering on the powder to obtain a sintered sample; and D, performing hot extrusion on the sintered sample to obtain the aluminum-based titanium diboride composite material for neutron shielding. Through rapid solidification and other processes, a nano-phase which is dispersively distributed and has high neutron absorption capacity is formed in the composite material, and the preparation method greatly improves the neutron shielding performance, guarantees the excellent mechanical performance of the material, and realizes the structural function integration ofthe material.

The invention discloses a zirconium-based material surface in-situ ceramization composite treatment method. The method comprises the following steps: 1, detecting Fe pollution in a surface nanocrystallization treatment environment; 2, pretreating the surface of a zirconium-based material; 3, carrying out surface nanocrystallization treatment on the zirconium-based material; 4, detecting Fe pollution of the zirconium-based material subjected to nanocrystallization treatment; 5, detecting Fe pollution in a heating equipment environment; and 6, performing high-temperature ceramic treatment. The smooth and uniform zirconium-based material processing surface is obtained through nanocrystallization treatment, the stress distribution state of the surface of the zirconium-based material is improved, grain refinement of the surface of the zirconium-based material is promoted, then a complete and compact in-situ ceramic composite treatment layer is formed in combination with high-temperature ceramic treatment, the corrosion resistance and the wear resistance of the surface of the zirconium-based material are improved, the comprehensive service performance of the metal material is greatly improved, and structural function integration of the metal material is effectively achieved.