Influence of ECAP on the Mechanical Properties of Sintered Al-20Sn Composite Materials Alloyed with Cu

机译：ECAP对Cu合金合金烧结Al-20Sn复合材料力学性能的影响

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The effect of copper additions up to 2 wt % on the structure and mechanical properties of sintered and deformed Al-20Sn composite materials (CM) was studied. The investigated samples were obtained by the vacuum sintering of compacts made of a mixture of pure metal powders. Equal channel angular pressing by route A (ECAP (A)) was chosen as the method of deformation. It was founded that copper is located mainly as brittle inclusions in Sn interlayers and only a small part of Cu dissolves in the aluminum matrix. The strength and hardness of sintered CM are increased with the increase of Cu content and intensity of deformation, but the CM ductility is significantly reduced. The low ductility of the deformed Al-20Sn-Cu CM leads to their catastrophic wear under the dry friction against steel disc.

机译：研究了铜的含量高达2wt％的烧结和变形的Al-20sn复合材料（cm）的结构和机械性能。通过由纯金属粉末的混合物制成的压块真空烧结获得研究。通过路由A（ECAP（A））作为变形方法，选择等沟道角度压制。结果，铜主要位于Sn中间层中的脆性夹杂物，并且只有一小部分Cu溶解在铝基中。随着Cu含量的增加和变形强度的增加，烧结Cm的强度和硬度，但是CM延展性显着降低。变形的Al-20sn-Cu Cm的低延展性导致它们在对钢盘的干摩擦下的灾难性磨损。

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《Internation Conference on Advanced Materials with Hierarchical Structure for New Technologies and Reliable Structures》|2015年||共4页
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作者
N. M. Rusin; A. L. Skorentsev; E. Rashituli; I. P. Mishin; I. V. Vlasov;
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中图分类 TB3-532;
关键词
CM; ECAP; Mechanical Properties;

机译：CM;ECAP;机械性能;

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机译：机械球磨和合金化制备火花等离子体烧结Cu-Cr复合材料的组织和力学性能
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机译：ECAP对Cu合金合金烧结Al-20Sn复合材料力学性能的影响
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机译：钼合金液相烧结钨基复合材料的力学性能

Influence of ECAP on the Mechanical Properties of Sintered Al-20Sn Composite Materials Alloyed with Cu

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