Effect of annealing process and carbon content on microstructure stability of Monel 400 alloy

doi:10.13251/j.issn.0254-6051.2023.04.030

Abstract

Abstract: Grain growth and microstructure uniformity of Monel 400 alloy with different carbon contents (0.004%-0.100%C) after annealing at different temperatures (750-950 ℃) for different time (10-60 min) were studied. The results show that when the annealing temperature of Monel 400 alloy is above 900 ℃, the grain growth rate is faster, and the microstructure uniformity decreases with the increase of annealing temperature. When the annealing time is shorter than 30 min, the grain growth rate is faster, while the microstructure uniformity becomes worse. When the grain grows to a certain extent, the grain growth rate decreases and the microstructure uniformity improves slightly. When annealed at 800-850 ℃ for 10-20 min, the relatively fine and uniform microstructure can be obtained. The grain growth equations of the Monel 400 alloy with 6 different carbon contents during annealing at 750-950 ℃ are established based on the improved Anelli model.

Key words: Monel 400 alloy, annealing process, chemical composition, microstructure uniformity, grain growth model

CLC Number:

TG166.7

Zhang Tao, Zheng Wenjie, Li Caiju, Fang Yi. Effect of annealing process and carbon content on microstructure stability of Monel 400 alloy[J]. Heat Treatment of Metals, 2023, 48(4): 184-189.

References

[1]高原, 于随然. 计算机辅助飞机铆钉连接优化设计[J]. 机电一体化, 2014(12): 55-61.
[2]张汝麟. 飞行控制与飞机发展[J]. 北京航空航天大学学报, 2003, 29(12): 1077-1083.
Zhang Rulin. Development of flight control with aircraft[J]. Journal of Beijing University of Aeronautics and Astronautics, 2003, 29(12): 1077-1083.
[3]王黎明, 冯潼能. 数字化自动钻铆技术在飞机制造中的应用[J]. 航空制造技术, 2008(11): 40-45.
[4]叶唐, 胡传顺, 秦华, 等. Monel400合金腐蚀行为的研究[J]. 热加工工艺, 2006, 35(22): 36-38.
Ye Tang, Hu Chuanshun, Qin Hua, et al. Study of corrosion behavior of Monel 400 alloy[J]. Hot Working Technology, 2006, 35(22): 36-38.
[5]Gouda V K, Aakhedr I, Fathi A M. Pitting corrosion behaviour of Monel-400 alloy in chloride solutions[J]. Journal of Materials Science and Technology, 1999, 15(3): 208-212.
[6]吴金霞. 浅析我国飞机制造业贸易现状[J]. 现代商业, 2020, 2(2): 72-73.
[7]陈明松, 秦刚华, 蔺永诚, 等. 超超临界发电机组螺栓用镍基高温合金混晶组织均匀细化工艺[J]. 精密成形工程, 2021, 13(3): 125-130.
Chen Mingsong, Qin Ganghua, Lin Yongcheng, et al. Process for refinement of mixed grain microstructure of deformed Ni-based superalloy for bolts of ultra supercritical generator sets[J]. Journal of Netshape Forming Engineering, 2021, 13(3): 125-130.
[8]龚超杰, 屠晓倩, 桑逸婷, 等. 热处理温度及冷加工率对弥散强化铜性能的影响[C]//中国有色金属工业协会. 第三届中国(铜陵)铜基新材料产业发展论坛暨首届中国(铜陵)铜基新材料产业国际论坛论文集. 2016: 83-90.
[9]Zhang Bing, Tao Chunhu, Lu Xin, et al. Recrystallization of single crystal nickel-based superalloy[J]. Journal of Iron and Steel Research, International, 2009, 16(6): 75-79.
[10]谢兴飞, 曲敬龙, 杜金辉. GH4720Li镍基合金混晶组织对高温持久性能的影响[J]. 材料导报, 2020, 34(S1): 375-379.
Xie Xingfei, Qu Jinglong, Du Jinhui. Effect of mixed grain structure on high temperature stress rupture property of Ni-based GH4720Li superalloy[J]. Materials Reports, 2020, 34(S1): 375-379.
[11]左申傲, 刘怀河. 单相铜合金晶粒度的测定方法与应用[J]. 机械工程材料, 2005, 29(9): 72-73.
Zuo Shen'ao, Liu Huaihe. Measurement and application of the grain size of α single-phase Cu alloys[J]. Materials for Mechanical Engineering, 2005, 29(9): 72-73.
[12]Lee S J, Lee Y K. Prediction of austenite grain growth during austenitization of low alloy steels[J]. Materials and Design, 2008, 29(9): 1840-1844.
[13]Srolovitz D J, Anderson M P, Sahni P S, et al. Computer simulation of grain growth-II. Grain size distribution, topology, and local dynamics[J]. Acta Metallurgica, 1984, 32(5): 793-802.
[14]Militzer M, Hawbolt E B, Meadowcroft T R, et al. Austenite grain growth kinetics in Al-killed plain carbon steels[J]. Metallurgical and Materials Transactions A, 1996, 27(11): 3399-3409.
[15]刘清友, 董瀚, 孙新军, 等. CSP工艺中含Nb钢的混晶问题及改善方法[J]. 钢铁, 2003, 38(8): 16-19.
Liu Qingyou, Dong Han, Sun Xinjun, et al. The mixed grains microstructure of Nb microalloyed strip and eliminating methods in CSP processing[J]. Iron and Steel, 2003, 38(8): 16-19.
[16]梁博. 结构钢加热过程中奥氏体晶粒长大模型及应用[J]. 热加工工艺, 2013, 42(22): 80-82.
Liang Bo. Austenite grain growth model and application in heating process of structural steel[J]. Hot Working Technology, 2013, 42(22): 80-82.
[17]张志波, 孙新军, 刘清友, 等. 均热过程中低碳钢奥氏体晶粒长大规律研究[J]. 材料热处理学报, 2008, 29(5): 82-89.
Zhang Zhibo, Sun Xinjun, Liu Qingyou, et al. Study on austenite grain growth of a low carbon steel in heating process[J]. Transactions of Materials and Heat Treatment, 2008, 29(5): 82-89.
[18]洪橙, 陈荣创, 郑志镇, 等. 300M钢奥氏体晶粒等温长大模型[J]. 塑性工程学报, 2018, 25(1): 175-179.
Hong Cheng, Chen Rongchuang, Zheng Zhizhen, et al. Isothermal growth model of austenite grain for 300M steel[J]. Journal of Plasticity Engineering, 2018, 25(1): 175-179.