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首页> 外文会议>Pacific Rim International Conference on Advanced Materials and Processing(PRICM 5) pt.1; 20041102-05; Beijing(CN) >The Forming Process of Magnesium Alloy for Japanese Home Electric Components
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The Forming Process of Magnesium Alloy for Japanese Home Electric Components

机译：日本家用电气部件镁合金的成型工艺

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摘要

Magnesium alloys have replaced resins as a material for the components of electronic products such as cell phone and notebook personal computer mainly, because of their lightness and rigidity. Thin walls, a complicated shape, and high appearance quality are all needed in the external parts. Die-casting and injection molding are the main method of manufacturing magnesium alloy parts. The optimal cast conditions and mold design have been investigated in order that a few defects such as surface cracks and mold cavities in casting parts would be reduced. Instead of cast, plastic forming technologies such as warm drawing and hot forging have been developed to form thinner walls and less defects. Plastic formability of magnesium alloy in hot working is dependent on a grain size of material. The material with fine grains has advantage of being formed at high strain rate. The characteristics of forming processes of magnesium parts for Japanese home electric appliances are compared in the viewpoint of quality, cost, and productivity.
机译：镁合金由于其轻便性和刚性而主要替代了树脂作为电子产品的材料，例如手机和笔记本个人计算机。外部零件都需要薄壁，复杂的形状和高质量的外观。压铸和注射成型是制造镁合金零件的主要方法。研究了最佳铸造条件和模具设计，以减少一些缺陷，例如铸件表面裂纹和型腔的缺陷。已经开发了诸如热拔和热锻之类的塑性成形技术来代替铸件，以形成更薄的壁和更少的缺陷。镁合金在热加工中的塑性成形性取决于材料的晶粒尺寸。具有细晶粒的材料具有以高应变速率形成的优点。从质量，成本和生产率的角度比较了日本家用电器的镁部件的形成过程的特性。

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