Microstructure and Properties of Non-Quenched Prehardened Steel for Plastic Mould with 700 mm Thickness

机译：厚度为700 mm的塑料模具用非淬火预硬化钢的组织和性能

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The non-quenched prehardened steel for plastic mould with 700 mm thickness (NQP700)has been developed in order to save energy and shorten the producing cycle.Microstructure and properties of the NQP700 steel are studied.The results show that microstructure of the NQP700steel block is bainite distributing uniformly through the whole section,whose hardness fluctuation is not more than ±1.5HRC.Its polishing ability and pattern etching properties satisfy the needs of plastic mould,and it has better machinability.

机译：为了节约能源，缩短生产周期，开发了厚度为700mm的非淬火塑料模具用预淬硬钢（NQP700）。对NQP700钢的组织和性能进行了研究。贝氏体在整个截面上均匀分布，其硬度波动不超过±1.5HRC。其抛光能力和图案蚀刻性能满足塑料模具的需要，并具有较好的可加工性。

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《International conference on frontiers of mechanical engineering and materials engineering》|2012年|1072-1075|共4页
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Yi Luo; Quan Zhou;
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中图分类工程材料学;
关键词
Non-quenched prehardened steel; Plastic mould steel; Microstructures; CCT diagram; Properties;

机译：非调质预硬化钢;塑料模具钢;显微组织; CCT图;性能;

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Microstructure and Properties of Non-Quenched Prehardened Steel for Plastic Mould with 700 mm Thickness

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