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HT20-40

HT20-40

HT20-40

HT20-40

1

Hardening HT20-40 gray cast iron with CO2 laser , the structures characteristics and forming principle of hardened layer were studied.

采用 CO2 激光器对 HT20-40 灰铸铁进行了熔 -凝硬化处理，重点探讨了其组织特徵及形成机理。

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