android退出app原位合成Al2O3颗粒增强铜基表面复合材料及其性能研究作者：秦改元来源：《价值工程》2011年第23期 摘要：dopc 采用原位反应与铸造相结合的方法制备了Al2O3/Cu局部增强复合材料。研究了铜粉的量，预制块成型压力以及反应温度对复合材料的组织和性能的影响。结果表明，该复合材料性能较好，硬度较纯铜提高了一倍，相对耐磨性提高了3-4无压锅炉
倍，导电率与纯铜相当。 Abstract: Al2O3/Cu partial reinforced composite was prepared by in-situ reaction and casting. The influence of reaction temperature, resultant (Cu powder)content, the pressure on preformed block on the microstructure and properties of the composite was studied. This composite has good performance, the hardness is more than doubled and the relative wear resistance improved by 3-4 times compared with the pure copper; the conductivity is equivalent to that of pure copper.
关键词： 原位合成；Al2O3/Cu复合材料；增强相
Key words: in-situ synthesis；Al2O3 /Cu composite；reinforcement
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