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Better performance after heat treatment of precision cast parts

2022-06-02 14:48:42

Precision casting parts because of its good performance, accurate specifications, can be applied without production processing or production processing, is the more respected goods in various fields. Precision casting parts production and processing out of the use of different occasions, the actual performance provisions will not be the same, some precision casting parts must be granted through heat treatment product workpiece stronger strength and other physical properties.

Heat treatment of the way especially, basically the key can be divided into two categories, one is the structure of the body is not easy after heat treatment and produce changes or should not be changed, the second is the main organizational structure to produce changes. In response to the changes in the heat treatment of the basic mechanism to produce prominence, can be broadly divided into five ways.

1. Softening and quenching: the key objective is to dissolve the carburized body, reduce its strength and improve its production and processing properties, for ductile iron the objective is to obtain more and more metallurgical structure.

2, Normalising treatment: the key objective is to get pearlite and sorite bodies to enhance the mechanical equipment performance of stainless steel castings.

3、Heat treatment solution: the key is to get more strength or wear resistance strength, and at the same time to get very high surface wear resistance characteristics.

4、Surface hardening solution: The key is to obtain a surface hardening layer, while obtaining a very high surface wear resistance characteristics.

5. Precipitation hardening solution: The key is to obtain a high toughness without a drastic change in elongation.


精密铸造件经过热处理后,性能更好

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