Inconel617合金的热变形行为

doi:10.13251/j.issn.0254-6051.2025.02.002

金属热处理 ›› 2025, Vol. 50 ›› Issue (2): 8-14.DOI: 10.13251/j.issn.0254-6051.2025.02.002

Inconel617合金的热变形行为

丁佐军¹, 任文浩², 张果³, 郑越³, 何西扣²

1.无锡派克新材料科技股份有限公司, 江苏无锡 214161;
2.钢铁研究总院有限公司特殊钢研究院, 北京 100081;
3.中国核电工程有限公司核设备所, 北京 100840

收稿日期:2024-10-14 修回日期:2024-12-16 发布日期:2025-04-10
通讯作者: 郑越,研究员级高工,硕士,E-mail:zhengyue@cnpe.cc
作者简介:丁佐军(1983—),男,高级工程师,主要研究方向为金属材料成形、锻造及热处理,E-mail:dingzuojun@wuxipaike.com。
基金资助:
钢铁研究总院有限公司自主研发专项基金(事23T60180B)

Hot deformation behavior of Inconel617 alloy

Ding Zuojun¹, Ren Wenhao², Zhang Guo³, Zheng Yue³, He Xikou²

1. Wuxi Paike New Materials Technology Co., Ltd., Wuxi Jiangsu 214161, China;
2. Research Institute of Special Steels, Central Iron and Steel Research Institute Co., Ltd., Beijing 100081, China;
3. Nuclear Equipment Division, China Nuclear Power Engineering Co., Ltd., Beijing 100840, China

Received:2024-10-14 Revised:2024-12-16 Published:2025-04-10

摘要/Abstract

摘要： 采用Gleeble-3800热模拟试验机,在变形温度为950~1200 ℃、应变速率为0.001~1 s^-1的范围内,对Inconel617合金开展了热压缩模拟试验,分析了其在不同变形条件下的热变形行为。结果表明,在变形初期,Inconel617合金表现出明显的加工硬化特征,随应变量继续增加,流变应力增加至峰值后逐渐降低,表现出动态再结晶为主的软化机制。基于双曲正弦函数修正的Arrhenius模型构建了Inconel617合金的热变形本构方程,其热变形激活能Q=418.4 kJ/mol。构建了Inconel617合金的热加工图,并确定了合适的加工区间为:变形温度1080~1170 ℃、应变速率0.012~1 s^-1。

关键词: Inconel617合金, 热变形行为, 动态再结晶, 热加工图

Abstract: Hot compression simulation tests of Inconel617 alloy were carried out using Gleeble-3800 thermal simulation test machine in the range of deformation temperature of 950-1200 ℃ and strain rate of 0.001-1 s^-1. The hot deformation behavior under different deformation conditions were analyzed. The results show that the Inconel617 alloy exhibits obvious work hardening characteristics at the initial stage of deformation. As the strain increases, the flow stress increases to the peak value and then gradually decreases, showing dynamic softening dominated by dynamic recrystallization. The hot deformation constitutive equation of the Inconel617 is constructed based on the Arrhenius model modified by the hyperbolic sine function. The hot deformation activation energy Q is 418.4 kJ/mol. The hot working map of the Inconel617 alloy is constructed, and the appropriate hot working range is determined: deformation temperature of 1080-1170 ℃, strain rate of 0.012-1 s^-1.

Key words: Inconel617 alloy, hot deformation behavior, dynamic recrystallization, hot working map

中图分类号:

TG312

丁佐军, 任文浩, 张果, 郑越, 何西扣. Inconel617合金的热变形行为[J]. 金属热处理, 2025, 50(2): 8-14.

Ding Zuojun, Ren Wenhao, Zhang Guo, Zheng Yue, He Xikou. Hot deformation behavior of Inconel617 alloy[J]. Heat Treatment of Metals, 2025, 50(2): 8-14.

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Inconel617合金的热变形行为

Hot deformation behavior of Inconel617 alloy

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