【摘要】 概述了等离子束表面冶金合金设计原则,分析了合金元素在铁基合金中的作用.按照合金设计原则,在大量试验的基础上,成功设计出等离子束表面冶金用新型铁基合金.对冶金层进行组织性能分析,结果表明,冶金层组织主要以固溶体结晶为主,显微硬度从表面到基体呈梯度分布,冶金层具有良好的耐磨性能.更多还原

【Abstract】 The paper generalized the principle of alloy design in surface metallurgy by plasma beam and analyzed effects of alloy elements in Fe-based alloy.Based on the principle of alloy design and a large number of tests,new Fe-based alloy applied in surface metallurgy by plasma beam has been designed successfully.Microstructure and performance of the alloy coating has been analyzed.Results show that the coating regards dendritic solid solution as main crystallized product.The microhardness of the coating is high and the wear resistance of the coating is good.更多还原