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为了提高钢制零件的抗腐蚀性能,镀镉这一防护性工艺在工业中已被广泛采用,但镀镉引起零件的脆化,却往往被人们忽视.镀镉零件不允许在超过镉的熔化温度(312℃)下使用,这是人们常识能理解的,但镉在熔化温度以下的一个温度范围内,也将引起零件的脆化(固体镉脆简称“ME”)还没有引起足够的重视,国外曾多次发生过固体镉脆破坏,如美国某航空公司在安装发动机时用镀
In order to improve the corrosion resistance of steel parts, cadmium plating is a protective process has been widely used in the industry, but cadmium plating caused by parts embrittlement, but often overlooked.Calcium-cadmium parts do not allow more than the melting of It is common knowledge that the use of cadmium at temperatures below (312 ° C) will cause cadmium embrittlement (solid cadmium, “ME”) in a temperature range below the melting temperature has not yet caused enough Of the importance of foreign countries have repeatedly occurred solid cadmium brittle damage, such as the United States when an airline installing the engine with a plating