Inconel 600合金的微观组织及其热加工图

doi:10.13251/j.issn.0254-6051.2022.10.017

金属热处理 ›› 2022, Vol. 47 ›› Issue (10): 107-112.DOI: 10.13251/j.issn.0254-6051.2022.10.017

Inconel 600合金的微观组织及其热加工图

周宇森¹, 程晓农¹, 罗锐¹, 高佩^1,2, 刘瑜^1,2, 袁志钟¹

1.江苏大学材料科学与工程学院, 江苏镇江 212013;
2.江苏银环精密钢管有限公司, 江苏宜兴 214203

收稿日期:2022-04-15 修回日期:2022-07-25 出版日期:2022-10-25 发布日期:2022-12-15
通讯作者: 程晓农,教授,博士生导师,E-mail:Chengxiaonong@hotmail.com
作者简介:周宇森(1996—),男,硕士研究生,主要研究方向为核电用镍基高温合金相关组织性能及加工工艺,E-mail: 793305782@qq.com。
基金资助:
中国博士后科学基金(2019M661738);江苏省高等学校自然科学研究面上项目(19KJB43001);轧制技术及连轧自动化国家重点实验室(东北大学)开放课题基金(2020RALKFKT017)

Microstructure and thermal processing map of Inconel 600 alloy

Zhou Yusen¹, Cheng Xiaonong¹, Luo Rui¹, Gao Pei^1,2, Liu Yu^1,2, Yuan Zhizhong¹

1. School of Materials Science and Engineering, Jiangsu University, Zhenjiang Jiangsu 212013, China;
2. Jiangsu Yinhuan Precision Steel Pipe Co., Ltd., Yixing Jiangsu 214203, China

Received:2022-04-15 Revised:2022-07-25 Online:2022-10-25 Published:2022-12-15

摘要/Abstract

摘要： 利用Gleeble-3500试验机进行热压缩试验,绘制了Inconel 600合金的热加工图,对热加工图不同区域对应的微观组织进行了研究,并利用热加工图给出的热加工窗口进行了实际的热挤压生产。结果表明,在大应变量0.6下变形时热加工窗口总体稳定在低应变速率0.01~0.1 s^-1区域和高应变速率10 s^-1下的1150~1200 ℃区域。实际生产的管材具有良好的宏观形貌,显微组织基本为存在孪晶的等轴再结晶晶粒,晶粒尺寸较退火态合金发生了细化。

关键词: 热加工图, 高温合金, Inconel 600合金, 显微组织

Abstract: Thermal processing map of Inconel 600 alloy was obtained through thermal compression experiment by using Gleeble-3500 testing machine, and the microstructure corresponding to different zones of the thermal processing map was studied. Finally, the actual hot extrusion production was carried out by using the thermal processing window given by the thermal processing map. The results show that when the strain is 0.6, the thermal processing window is generally stable in the low strain rate region of 0.01-0.1 s^-1 and the high strain rate 10 s^-1 at 1150-1200 ℃. The actually produced pipe has a good macro morphology, and the microstructure is basically equiaxed recrystallized grains with twins, which are refined comparing with that of as-annealed alloy.

Key words: thermal processing map, superalloy, Inconel 600 alloy, microstructure

中图分类号:

周宇森, 程晓农, 罗锐, 高佩, 刘瑜, 袁志钟. Inconel 600合金的微观组织及其热加工图[J]. 金属热处理, 2022, 47(10): 107-112.

Zhou Yusen, Cheng Xiaonong, Luo Rui, Gao Pei, Liu Yu, Yuan Zhizhong. Microstructure and thermal processing map of Inconel 600 alloy[J]. Heat Treatment of Metals, 2022, 47(10): 107-112.

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Inconel 600合金的微观组织及其热加工图

Microstructure and thermal processing map of Inconel 600 alloy

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