冶金的教程3表面处理.ppt

24/11/98 Heat Treatment of Steels 钢的热处理 Heat Treatment of Steels 钢的热处理 Heat Treatments of Steels钢的热处理 Heat Treatments of Steels 钢的热处理 Heat Treatments of Steels 钢的热处理 Heat Treatment of Steels 钢的热处理 Heat Treatments of steels 钢的热处理 Heat Treatment of steels 钢的热处理 Heat Treatment of steels 钢的热处理 Heat Treatment of steels 钢的热处理 Heat Treatments of steels 钢的热处理 Heat Treatments of steels 钢的热处理 Heat Treatments of steels 钢的热处理 Heat Treatments of steels 钢的热处理 Surface Hardening 表面处理 DIFFUSION THERMO CHEMICAL TREATMENTS 渗透热化学处理 Case Hardening 表面硬化 Case Hardening表面硬化 Case Hardening 表面硬化 Case Hardening 表面硬化 Case hardening 硬化 Case hardening 表面硬化 Case hardening 表面硬化 Case hardening 表面硬度 Case hardening 表面硬度 Nitriding 渗氮 Nitriding 渗氮 Nitriding 渗氮 Nitriding 渗氮 Phosphating 磷化 Zinc Plating and Dacromet 镀锌与Dacromet Zinc Plating and Dacromet 镀锌与 达可罗 Chrome plating 镀铬 Chrome Plating 镀铬 Chrome Plating 镀铬 Chrome Plating镀铬 The Phosphating is a superficial treatment protection that consists of the cover the surface of a steel manufactured article by a compact layer of Phosphates of Zinc and Manganese. 磷化是属于一种对表面进行保护的处理。就是在机器制成品的表面覆盖一层密致的磷酸锌和磷酸锰。 There are the phosphating against the rust (F FAR Z, phosphates of zinc and iron) and the phosphating against the seizure (FF-AG, phosphates of manganese and iron). 磷化防锈 (F FAR Z， 磷化锌与磷化铁) 和磷化防seizure(FF-AG,磷化锰与磷化铁) Both the treatments consist of the immersion of the finished piece (and polished up in surface) in a bath of melt phosphorus salts with opportune additions of oxidant and catalysts agents. 两种处理都是将完成的料件(表面有打磨)浸入盛有溶化了的磷酸盐的池中并适当的添有氧化物与催化剂. The process has completed by a passivation that consists of the immersion of the piece in oil of peculiar characteristics; for the high strength steels is advisable a careful dehydrogenation (180°C x 2h) within four hours from the treatment. 此过程由“钝化”得以完成，就是将料件浸入有着特殊特点的油中；对于高强度的钢，建议在进行了此处理的4个小时时进行精心的脱氢作用(180°C x 2h) To check the uniformity of the layers is applied to brief exp