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精密零件加工的表面化学热处理方法

文章出处:人气:: 发表时间:2019-08-08 10:04:12

在前面我们讲到来精密零件的表面的耐磨损,耐腐蚀,的淬火处理方式广东快乐十分走势图。下面我们来具体讲讲化学处理方式是怎样的。


精密零件加工化学热处理是将钢件置于含有欲渗元素的活性介质中,加热到一定温度后进行保温,使渗入元素被吸附并扩散进入其表层,改变其化学成分,致使工件表面层的组织结构和性能发生变化。这种工艺过程称为化学热处理。根据表面渗入元素的不同,化学热处理可分为渗碳、漆瓶、 碳氮共渗等。化学热处理能有效地提高钢件表层耐磨性、耐蚀性、抗氧化性以及疲劳强度等。

精密零件表面化学处理.png

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