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sintering copper
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  烧结铜
     The sintering copper lead alloy layer has fine gain even lead distribution,the relative density above 90%,σ b≥150N/mm 2,and HB≥70.It has excellent antifriction property and wear resistance too. The bi metallic interface,which has τ b≥120N/mm 2,combines metallurgically with Fe and Cu diffusing mutually.
     本研究烧结铜铅合金层组织晶粒细小,铅分布均匀,相对密度90%以上,抗拉强度≥150N/mm2,硬度HB为70,具有良好的减摩性和耐磨性,双金属结合区为Fe、Cu互相扩散的冶金结合,双金属剪切强度≥120N/mm2。
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  “sintering copper”译为未确定词的双语例句
     With its features of high demands for the combination properties involving complicated shape, accuracy, physical and mechancal properties,etc. the valve sleeve in power steering-gear made by selected Fe-Ni-C-Cu system of materials and adopting combining sintering, copper infiltration, heat and cold treatment, etc. has stabilized metallographic structure, higher hardness, superior leakproof,close accuracy and size stabilization during long term performance.
     针对动力转向机阀套形状复杂,精度及物理、力学等综合性能要求高等特点,选用Fe-Ni-Cu-C系材料,采用组合烧结、渗铜、热处理、冷处理等特殊工艺生产的动力转向机阀套具有稳定的金相组织、较高的硬度、良好的防泄漏性能以及高的尺寸精度和长期使用尺寸稳定性好等特性。
短句来源
  相似匹配句对
     COPPER
     铜
短句来源
     SINTERING CHARACTERS OF COPPER AND MANGANESE POWDER
     铜与锰金属粉末的烧结特性
短句来源
     NICKEL PLAT COPPER POWDER AND ITS SINTERING
     化学镀法制备镍包铜复合粉末及其烧结行为
短句来源
     , copper silicarsenate (?)
     是待审批的新矿物,硅砷铜石(?)
短句来源
     microwave sintering;
     微波低温干燥;
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Bi metal cylinder block is made of medium carbon steel base and copper lead alloy as antifrictional layer.The bi metallic bond state and the lead separation mechanism have been analyzed.The improvement of bi metallic bond strength,and method of avoiding lead separation and segregation have been studied.The sintering copper lead alloy layer has fine gain even lead distribution,the relative density above 90%,σ b≥150N/mm 2,and HB≥70.It has excellent antifriction property and wear resistance too.The...

Bi metal cylinder block is made of medium carbon steel base and copper lead alloy as antifrictional layer.The bi metallic bond state and the lead separation mechanism have been analyzed.The improvement of bi metallic bond strength,and method of avoiding lead separation and segregation have been studied.The sintering copper lead alloy layer has fine gain even lead distribution,the relative density above 90%,σ b≥150N/mm 2,and HB≥70.It has excellent antifriction property and wear resistance too.The bi metallic interface,which has τ b≥120N/mm 2,combines metallurgically with Fe and Cu diffusing mutually.The comparative experiment shows that the properties of our bi metal cyinder block are superior to those produced by casting copper alloy.

以45#钢为基体,以烧结铜铅合金为摩擦层,研究了双金属结合状态、烧结过程铅析出机理以及提高双金属结合强度和铜铅合金层物理机械性能,避免铅析出、铅偏析的工艺。本研究烧结铜铅合金层组织晶粒细小,铅分布均匀,相对密度90%以上,抗拉强度≥150N/mm2,硬度HB为70,具有良好的减摩性和耐磨性,双金属结合区为Fe、Cu互相扩散的冶金结合,双金属剪切强度≥120N/mm2。对比试验表明,本研究双金属柱塞缸体性能优于浇铸缸体。

A method for making monophasic solid solution of copper and manganese by powder metallurgy process is presented. The sintering characters of green compact of copper and manganese powder are studied. The monophasic solid solution of copper and manganese is made by mixing, compacting and sintering copper-manganese powder. The diffusion mechanism belongs to unilateral diffusion, and the copper diffuses into the manganese. The densities and hardness of green compact sintered with copper-maganese...

A method for making monophasic solid solution of copper and manganese by powder metallurgy process is presented. The sintering characters of green compact of copper and manganese powder are studied. The monophasic solid solution of copper and manganese is made by mixing, compacting and sintering copper-manganese powder. The diffusion mechanism belongs to unilateral diffusion, and the copper diffuses into the manganese. The densities and hardness of green compact sintered with copper-maganese powder decrease with the sintering temperature increasing and the heat preservation time prolonging.

提出了用粉末冶金法制备铜锰固溶体的方法 ,研究了铜锰粉末压坯的烧结特性。结果表明 ,利用粉末冶金法烧结铜锰混合粉末 ,可以形成单相固溶体 ,其扩散机理属于单向扩散 ,即锰进入了铜。随着烧结温度的提高和保温时间的延长 ,铜锰烧结压坯的密度和硬度都有下降的趋势。铜锰粉末经混料、预压、热压成型后 ,按不同烧结参数 (包括烧结温度和保温时间 )在 80 0℃烧结 ,保温 5 0h ,可制得铜锰固溶体。

 
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