Effect of heat treatment on microstructure and mechanical properties of plastic mould steel

Liu Cun-Ping; Guo Sheng; Wang Zhi-Hai

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Effect of heat treatment on microstructure and mechanical properties of plastic mould steel

机译：热处理对塑料模具钢组织和力学性能的影响

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The mechanical properties and microstructure of plastic mould steel with the microstructure of martensite and bainite-martensite (B/M) were investigated in detail. The results show that the air-cooled B/M possesses a better combination of strength and toughness compared with water-quenched full martensite after tempering within some intermediate temperature range. A mixed microstructure of B/M retards the softening of the steel during tempering and also retards the tempered martensite embrittlement onset temperature. The stable retained austenite (SRA) in B/M improved the toughness of the steel after tempering at intermediate temperature range.

机译：详细研究了具有马氏体和贝氏体-马氏体（B / M）的塑料模具钢的力学性能和组织。结果表明，在一定的中间温度下回火后，与水淬的全马氏体相比，风冷的B / M具有更好的强度和韧性组合。 B / M的混合微观结构会延迟钢在回火过程中的软化，并且还会延迟回火的马氏体脆化起始温度。 B / M中稳定的残留奥氏体（SRA）改善了中温回火后钢的韧性。

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《Materials at High Temperatures》 |2010年第2期|共4页
作者
Liu Cun-Ping; Guo Sheng; Wang Zhi-Hai;
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正文语种 eng
中图分类工程材料学;
关键词
retained austenite; heat treatment; mechanical properties; mould steel;

机译：残余奥氏体;热处理;力学性能;模具钢;

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1. Effect of heat treatment on microstructure and mechanical properties of plastic mould steel [J] . Liu Cun-Ping, Guo Sheng, Wang Zhi-Hai Materials at High Temperatures . 2010,第2期

机译：热处理对塑料模具钢组织和力学性能的影响
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Effect of heat treatment on microstructure and mechanical properties of plastic mould steel

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