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合金
相关语句
  alloy
    Study on Lubricant Mechanism and Design of Water Lubricated Plastic Alloy Bearings
    水润滑塑料合金轴承润滑机理及设计研究
短句来源
    Investigation of Ion Plated Cu-Pb Alloy Solid-Film Lubricants on Steel and Cast Iron
    钢铁表面离子镀铜铅合金固体润滑膜的研究
短句来源
    Non-Equilibrium Segregation of Cu on Surface of Al-1.17%Cu Alloy
    Cu在Al-1.17%Cu合金表面的非平衡偏聚
短句来源
    The Influence of Al on the High Temperature Sulfidation of An Fe-25Cr Alloy ̄+ in H_2S-H_2 Gas Mixtures
    铝对Fe-25Cr合金在H_2S-H_2混合气氛中高温硫化腐蚀的作用
短句来源
    The Statistico-Analysis for the Bit Testing Data of the Al-Mg Alloy
    铝镁合金点蚀试验数据的统计分析
短句来源
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  alloys
    Systemically Study of Electronic Structure and Properties for Ti-Al Alloys
    Ti-Al合金电子结构和性能的系统研究
短句来源
    The Effect of Melt Overheating Treatment on the Microstructure and Wear Resistance of AL-Si Hypereutectic Alloys
    熔体过热处理对Al-Si过共晶合金凝固组织及耐磨性的影响
短句来源
    The Evaluation of the anti-scuffing Behaviour of Cu-Si-Mn Alloys
    Cu-Si-Mn合金抗胶合性能的测定
短句来源
    The Influence of Aluminum on the Hydrogen Storing Property for MLN_(3.85-x)Mn_(0.4)Co_(0.75)Al_x Alloys
    Al对MLNi_(3.85-x)Mn_(0.4)Co_(0.75)Al_x合金
短句来源
    Quick Measurement of the Activity of Oxygen in Molten Co-based Alloys
    熔融钴基合金中氧活度的快速测定
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  “合金”译为未确定词的双语例句
    The Effect of Common Lubricating Additives on Boundary Film Temperature Characteristics of Bearing Alloy-45Carbon Steel
    润滑添加剂对轴承合金-45号钢边界膜温度特性的影响
短句来源
    The Effect of Testing Temperature on Low Cycle Fatigue Behavior of Zircaloy-4
    温度对Zr—4合金低周疲劳性能的影响
短句来源
    Microstructural Thermostability of RSP Al-Fe-V-Si AlloyRibbon
    快速凝固Al-Fe-V-Si合金薄带微观结构的热稳定性
短句来源
    A NEW TYPE OF LOw-ALLOYED HIGH-PERFORMANCE HSS
    一种新型的低合金高性能高速钢
短句来源
    A Study of Effect of Yttrium in Low-Alloy Martensitic Cast Steel
    钇在低合金马氏体铸钢中的作用研究
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  alloy
X-ray diffraction and selected area electron diffraction analysis showed that Pt-Sn-B/CNTs had an amorphous alloy structure that can improve catalytic performance.
      
Preparation, structure and properties of porous polyimide films via PAA/PU alloy
      
A quantitative index martensite fraction was used to describe the phase transformation degree of shape memory alloy (SMA).
      
The electrostatic-alloy bonding technique used in MEMS
      
Electrostatic-alloy bonding of silicon wafer with glass deposited by Au to form Si/Au-glass water, and bonding of Si/Au-glass with silicon wafer were researched during fabrication of pressure sensors.
      
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  alloys
Light-weight high-silicon aluminum alloys are used for electronic packaging in the aviation and spaceflight industry.
      
Experimental results show that the density of high-silicon aluminum alloys prepared with this method is as high as 99.64% of the theory density, and increases with elevating extrusion temperature.
      
This paper further outlines the applications of amorphous alloys, with special emphasis on the problems and strategies for the application of amorphous alloy nanoparticles in catalytic reactions.
      
Portevin-Le Chatelier effect of LA41 magnesium alloys
      
Effect of solute concentration on Portevin-Le Chatelier effect in Al-Cu alloys
      
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The ball rotor, as an arming and safety device has found wide applications in the fuzes for small caliber projectiles used in antiaircraft, aircraft mounted and ship-based guns as well as for recoilless gun projectiles. Its main advantages are simple in structure, easy to manufacture and small in volume. By means of this device we can get an arming delay if the rotational speed of projectiles is low (e. g. ω≈9000rpm). The problem of arming delay may be easily solved if the ball rotor device is combined with...

The ball rotor, as an arming and safety device has found wide applications in the fuzes for small caliber projectiles used in antiaircraft, aircraft mounted and ship-based guns as well as for recoilless gun projectiles. Its main advantages are simple in structure, easy to manufacture and small in volume. By means of this device we can get an arming delay if the rotational speed of projectiles is low (e. g. ω≈9000rpm). The problem of arming delay may be easily solved if the ball rotor device is combined with a mechanism in which the safety part is made of meltable alloy (e. g. the fuze for small caliber antiaircraft guns). It is the centrifugal moment that causes the ball rotor to rotate, so that it is only used in fuzes for spin projectiles whose rotational speed is about 9000—50000rpm. The reliability of the function of the ball rotor and the calculations of its arming time are based on the theoretical analysis of its movement. This paper makes a theoretical analysis of the movement of the ball rotor by means of two non-inertial coordinated systems and introduces the differential equations of the movement of the ball rotor and the calculations of its starting time. Finaly, the deviation of the centre of the ball rotor from the axis of the projectiles is discussed.

在小口径高炮、航炮、舰炮以及无座力炮引信中,球转子隔离机构应用相当广泛。它的主要优点是:结构简单、易于制造、体积小;当弹丸转速较低时(例如ω≈9000rpm),应用此种机构可以得到炮口保险。如果与易熔合金保险机构联用(例如小高炮榴弹用引信)则可顺利解决炮口保险问题。球转子是在离心力矩作用下转正的,因此它只用于旋转弹引信,其角速度ω≈9000~50000rpm。球转子的作用可靠性问题、转正时间的计算问题都是以球转子的理论分析为依据的。本文应用两种非惯性坐标系对球转子的运动进行理论分析,导出球转子的运动微分方程组以及起动时间的计算公式。最后对球心偏离弹轴的更为复杂的情况进行分析讨论。

Sliding wear tests of several wear protection coatings that are carried out during mixed lubrication show that the behaviour of antiadhesive wear of nitridingcoating,especially of boriding coating,is satisfactory, while the chromizing coating and nickelizing coating are subject to adhesive wear and as a consequence cease to be in effect. In general,the carbide coating of chemical vapour deposition resists wear.

几种耐磨保护层在混合摩擦条件下进行的滑动磨损试验表明,渗氮层,特别是渗硼层的抗粘着磨损性能很好,而镀铬层和镀镍层较易产生粘着磨损而失效。硬的碳化物镀覆层的磨损量一般很低,但如果这些表面层很粗糙,则会使相配的试件受到很大的磨损。通过犁削磨损试验可以进一步了解表面层的磨拉磨损性能。硬的碳化物层抗磨粒磨损性能最好,渗硼层次之。一些表面层的耐磨性,除了与其硬度有关外还和基体材料中的合金元素含量有关。

A p/M bimetal cylinder is developed by means of sintering welding. The cylinder base metal is 45 carbon steel. On cylinder's plunger hole surface and oil distribution face, a layer of copper-lead alloy which has excellent performance in an- tifriction is sintered, In this paper, the mechanical and physical properties of antifriction material were simply discribed. The main results of two platform tests were presented. It has been shown that the determined volume efficiency of cylinder was η, 92.35% which was...

A p/M bimetal cylinder is developed by means of sintering welding. The cylinder base metal is 45 carbon steel. On cylinder's plunger hole surface and oil distribution face, a layer of copper-lead alloy which has excellent performance in an- tifriction is sintered, In this paper, the mechanical and physical properties of antifriction material were simply discribed. The main results of two platform tests were presented. It has been shown that the determined volume efficiency of cylinder was η, 92.35% which was higher than that η_v=88% of Standard of Mechanism Section and the amount of wear of antifriction layer was tiny. The p/M composite material cylinder has more obviously technological and economical results as compared with the cylinder made of iron-aluminum bronze (QAL 9-4) and composite metal cylinder by casting.

缸体是高压轴向柱塞泵的重要部件。用烧结扩散焊接工艺制取的粉末冶金双金属缸体,是以45号钢作为缸体基体,在柱塞孔侧壁和配油面,烧结一层减摩性好的铜铅材料而成的一种复合结构制品。本文简述了缸体减摩材料的机械、物理性能,列出了两轮台架试验的主要结果。试验表明:型式试验结束后泵的容积效率为η_v=92.35%,高于部颁标准要求(η_v=88%),且减摩层磨损量极微。粉末冶金双全属缸体与QAL9—4青铜整体结构缸体和浇铸双金属缸体比较,可大幅度节约铜合金材料。根据试验测算,一个63CY14—1B泵缸体,可节约铜合金约8kg。

 
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