Research and Application of Quenching and Tempering Process in the Investment Casting Steel

Xiao Haibo; Yuan Jimin

doi:10.15980/j.tzzz.2013.09.014

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Research and Application of Quenching and Tempering Process in the Investment Casting Steel
Vol. 33, Issue 9, Pages: 824-826(2013)
Published： 2013 ，
DOI： 10.15980/j.tzzz.2013.09.014

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[1]肖海波,袁吉敏.熔模铸钢件调质工艺的试验研究[J].特种铸造及有色合金,2013,33(09):824-826.

Xiao Haibo, Yuan Jimin. Research and Application of Quenching and Tempering Process in the Investment Casting Steel. [J]. Special Casting & Nonferrous Alloys 33(9):824-826(2013)
[1]肖海波,袁吉敏.熔模铸钢件调质工艺的试验研究[J].特种铸造及有色合金,2013,33(09):824-826. DOI： 10.15980/j.tzzz.2013.09.014.

Xiao Haibo, Yuan Jimin. Research and Application of Quenching and Tempering Process in the Investment Casting Steel. [J]. Special Casting & Nonferrous Alloys 33(9):824-826(2013) DOI： 10.15980/j.tzzz.2013.09.014.

摘要

通过取消ZG45、ZGD650-830传统调质工艺前的正火工序

分析了淬火+高温回火调质工艺对其力学性能及金相组织的影响。结果表明

直接在（920±10）℃淬火

（660±10）℃高温回火后

铸件力学性能及金相与正常调质工艺水平相当

完全可以替代传统调质工艺

达到内控标准。

Abstract

Through canceling normalizing before the traditional quenching and tempering process on ZG45 and ZGD650-830

influence of quenching+high temperature tempering process on the mechanical properties and microstructure of investment casting steel was analyzed.The results show that the mechanical properties and the microstructure of the investment steel casting after quenching at（920±10）℃and high temperature tempering at（660±10）℃ are near to those of normal tempering steel castings

which could replace completely the traditional tempering process

meeting control standard.