Citation: | LIU Quanming, XIAO Junfeng, GAO Sifeng, TANG Wenshu, GAO Song, LONG Weimin. Microstructure and high-temperature compression performance of the hydrogenated titanium alloy welded joint[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 2024, 45(8): 79-84, 94. DOI: 10.12073/j.hjxb.20230808004 |
Titanium alloy blades repaired by welding in aero-derivative gas turbines often suffer from hydrogen embrittlement damage during service in hydrogen containing environments. The microstructure, Vickers hardness and hydrogen action mechanism, high-temperature compression performance of titanium alloy argon arc welded joints with different hydrogen content were studied in detail. The results show that large lamellar of δ hydride precipitated from the 0.12% H welded joint, with the increase of hydrogen content, the size of the hydride increased, and the microstructure of base metal, heat affected zone and weld zone evolved significantly. The hardness value of the 0.21% H was significantly higher than that of other hydrogen levels, and high hydrogen enhanced the hardness of the welded joint. The H solid solution strengthening effect at low hydrogen levels slightly increased the hardness of α grains. The precipitation of hydrides at high hydrogen levels was accompanied by lattice volume expansion, which caused local plastic deformation of the metal and subsequently generated a large number of dislocations. The movement of dislocations required winding or cutting through hydrides, which caused a significant increase in the hardness of α grains. The amount of compression had limited influence on the high-temperature compression rheological stress, and the recrystallization softening effect was mainly controlled by the deformation temperature. As the amount of compression increased, the α grains along with hydrides were elongated along the vertical compression direction or bent at a certain angle with the compression direction. The hydride grew along the grain boundaries of lamellar α, and the phenomenon of tissue recrystallization was not obvious during hot compression.
[1] |
Obhuo M, Aziaka D S, Osigwe E, et al. Economic optimization from fleets of aero-derivative gas turbines utilising flared associated gas[J]. International Journal of Thermofluids, 2020(7-8): 100049.
|
[2] |
Gülen S C. Gas turbines for electric power generation[M]. Cambridge: Cambridge University Press, 2019.
|
[3] |
Abudu K, Igie U, Roumeliotis I, et al. Aeroderivative gas turbine back-up capability with compressed air injection[J]. Applied Thermal Engineering, 2020(180): 115844.
|
[4] |
彭建强, 张宏涛, 王景生, 等. 中小燃气轮机关键部件用钛合金和变形高温合金对比分析[J]. 东方汽轮机, 2020(2): 58 − 62.
Peng Jianqiang, Zhang Hongtao, Wang Jingsheng, et al. Comparison analysis of titanium alloy and wrought superalloy for key parts of light duty gas turbine[J]. Dongfang Turbine, 2020(2): 58 − 62.
|
[5] |
金俊龙, 李菊, 张传臣, 等. 热处理对TC21钛合金线性摩擦焊接头组织与性能的影响[J]. 焊接学报, 2022, 43(9): 69 − 74. doi: 10.12073/j.hjxb.20211009001
Jin Junlong, Li Ju, Zhang Chuanchen, et al. Effect of heat treatment on microstructure and properties of linear friction welded joint of TC21 titanium alloy[J]. Transactions of the China Welding Institution, 2022, 43(9): 69 − 74. doi: 10.12073/j.hjxb.20211009001
|
[6] |
卓义民, 陈远航, 杨春利. 航空发动机叶片焊接修复技术的研究现状及展望[J]. 航空制造技术, 2021, 64(8): 22 − 28.
Zhuo Yimin, Chen Yuanhang, Yang Chunli. Research status and prospect of welding repair technology for aero-engine blades[J]. Aeronautical Manufacturing Technology, 2021, 64(8): 22 − 28.
|
[7] |
吕振家, 彭建强, 张宏涛, 等. LM2500燃气轮机关键部件用材分析[J]. 东方汽轮机, 2018(2): 73 − 77.
Lyu Zhenjia, Peng Jianqiang, Zhang Hongtao, et al. Material analysis on key parts of LM2500 gas turbine[J]. Dongfang Turbine, 2018(2): 73 − 77.
|
[8] |
Wen Jin, Fleury E, Cao Fei, et al. Hydrogen concentration dependence of phase transformation and microstructure modification in metastable titanium alloy β-21S[J]. Journal of Materials Science, 2021, 56(8): 5161 − 5172. doi: 10.1007/s10853-020-05568-5
|
[9] |
Li Xifeng, Xu Fangfei, Hu Lan, et al. Tensile deformation behavior of coarse-grained Ti-55 titanium alloy with different hydrogen additions[J]. Rare Metals, 2021, 40(8): 2092 − 2098. doi: 10.1007/s12598-020-01546-7
|
[10] |
刘全明, 龙伟民, 傅莉, 等. 氢致TA10钛合金焊接接头拉伸性能演变[J]. 焊接学报, 2020, 41(12): 20 − 24. doi: 10.12073/j.hjxb.20200615003
Liu Quanming, Long Weimin, Fu Li, et al. Tensile properties evolution of hydrogen-induced TA10 titanium alloy welded joints[J]. Transactions of the China Welding Institution, 2020, 41(12): 20 − 24. doi: 10.12073/j.hjxb.20200615003
|
[11] |
张慧芳. BTi-62421S合金高温变形行为及应用研究[D]. 太原: 中北大学, 2011.
Zhang Huifang. Research on high temperature deformation behaviors and application of BTi-62421S alloys[D]. Taiyuan: North University of China, 2011.
|
[12] |
Liu Quanming, Zhang Zhaohui, Yang Haiying, et al. Hydride precipitation in the hydrogenated 0.12wt.% H weld zone of Ti-0.3Mo-0.8Ni alloy argon-arc-welded joints[J]. The Journal of the Minerals, Metals & Materials Society, 2018, 70(9): 1902 − 1907.
|
[13] |
Liu Quanming, Zhang Zhaohui, Liu Shifeng, et al. The hydride precipitation mechanisms in the hydrogenated weld zone of Ti-0.3Mo-0.8Ni alloy argon-arc welded joints[J]. Advanced Engineering Materials, 2018, 20(5): 1700679. doi: 10.1002/adem.201700679
|
[14] |
彭新元. 热氢处理对钛合金组织和切削性能的影响[D]. 南昌: 南昌航空大学, 2010.
Peng Xinyuan. Influence of thermohydrogen processing on microstructure and machinability of titanium alloys[D]. Nanchang: Nanchang Hangkong University, 2010.
|
[15] |
赖静. 含氢BT20合金热变形流变应力和组织演变的ANN模型[D]. 哈尔滨: 哈尔滨工业大学, 2006.
Lai Jing. ANN models of flow stress of hot deformation and microstructure evolution in hydrogenized BT20 alloy[D]. Harbin: Harbin Institute of Technology, 2006.
|
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