机械产品设计中金属材料的选择和应用

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From the view of the design and manufacture of mechanical product, The article studies and summarizes the quenching and tempering treatment, surface treatment and applicable scope of different materials. It emphasizes that the design shall attach the importance to the selection of materials and heat treatment processes and applies the principle of matching and moderation.从机械产品设计和生产的实际工作出发，对不同材料的调质及表面处理及其适用范围进行分析和总结，强调在设计过程中应重视零件的材料和热处理方法的选择，要学会使用匹配原则和适度原则进行零件设计。