GH3230合金小变形下的恢复热处理工艺

doi:10.13251/j.issn.0254-6051.2021.07.036

金属热处理 ›› 2021, Vol. 46 ›› Issue (7): 187-190.DOI: 10.13251/j.issn.0254-6051.2021.07.036

GH3230合金小变形下的恢复热处理工艺

张勇路^1,2, 鞠泉^1,2, 胡曼¹, 马惠萍^1,2

1.北京钢研高纳科技股份有限公司, 北京 100081;
2.高温合金新材料北京市重点实验室, 北京 100081

收稿日期:2021-03-25 出版日期:2021-07-25 发布日期:2021-12-10
作者简介:张勇路(1984—),男,工程师,硕士,主要研究方向为燃烧室用高温合金,E-mail:rocketzyl@163.com。

Recovery heat treatment process of small deformed GH3230 alloy

Zhang Yonglu^1,2, Ju Quan^1,2, Hu Man¹, Ma Huiping^1,2

1. Gaona Aero Material Co., Ltd., Beijing 100081, China;
2. Beijing Key Laboratory of Advanced High Temperature Materials, Beijing 100081, China

Received:2021-03-25 Online:2021-07-25 Published:2021-12-10

摘要/Abstract

摘要： 分析测试了GH3230合金在10%和5%小变形下经不同温度恢复热处理后的显微组织和力学性能。结果表明:在10%冷变形条件下,经1120~1230 ℃恢复热处理,合金发生均匀再结晶,有利于充分释放残余应力,同时保证合金力学性能满足指标要求;在5％冷变形条件下,经1120~1160 ℃恢复热处理,一方面释放了残余应力,另一方面避免了发生临界再结晶和晶粒异常长大,保证了合金组织稳定和力学性能满足指标要求。

关键词: GH3230合金, 小变形, 恢复热处理

Abstract: Microstructure and mechanical properties of the GH3230 alloy after recovery heat treatment at different temperatures under small deformation of 10% and 5% were analyzed and tested. The results show that the 10% cold-deformed alloy can be uniformly recrystallized after recovery heat treatment at 1120-1230 ℃, which is beneficial to fully release the residual stress and ensure that the mechanical properties of the alloy meet the requirements of the indexes. For the 5% cold deformed alloy, the residual stress can be released after recovery heat treatment at 1120-1160 ℃, meanwhile, the critical recrystallization and abnormal grain growth can be avoided, so that the microstructure stability and mechanical properties of the alloy can meet the requirements of the indexes.

Key words: GH3230 alloy, small deformation, recovery heat treatment

中图分类号:

TG337.1

张勇路, 鞠泉, 胡曼, 马惠萍. GH3230合金小变形下的恢复热处理工艺[J]. 金属热处理, 2021, 46(7): 187-190.

Zhang Yonglu, Ju Quan, Hu Man, Ma Huiping. Recovery heat treatment process of small deformed GH3230 alloy[J]. Heat Treatment of Metals, 2021, 46(7): 187-190.

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GH3230合金小变形下的恢复热处理工艺

Recovery heat treatment process of small deformed GH3230 alloy

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