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对比研究不同晶粒度高温合金K4169的加工性能 被引量:1

Studing machinability of different grainsize of superalloys K4169 by contrasting
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摘要 以细晶铸造高温合金K4169为研究对象,对晶粒细化情况和细化晶粒后高温合金加工性能的变化情况分别进行研究,重点通过铣削力测试和加工后表面粗糙度测试实验,分析晶粒大小不同的高温合金试样加工性能变化,以此说明晶粒细化的实际意义。最后分析了加工性能变化的原因,并对铣削力、表面粗糙度与晶粒大小的关系进行了曲线拟合。 The project is to study the machinability of fine grain casting Superalloys .K4169.The grain of sample and the change of working properties of Superalloys after grain refinement were studied.In order to show the reality of grain refinement, two things have been done to test working properties of different grain of sample.One is testing the force of milling, the other is testing the roughness of the milling surface.In the end ,the reason of changing of machinability was been analyzed, curve fitting was done to analyze the relationship about the force of milling and roughness with grainsize.
出处 《机械设计与制造》 北大核心 2007年第11期102-104,共3页 Machinery Design & Manufacture
关键词 晶粒细化 加工性能 铣削力 表面粗糙度 Grain refinement Machinability Force of milling Roughness of the cut surface
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