Microstructure and properties of the linear friction welded joints between the different quality TC17 with post-weld aging treatments

DU Suigeng; LIU Guanxiang; LI Ju

doi:10.12073/j.hjxb.20220109002

TRANSACTIONS OF THE CHINA WELDING INSTITUTION > 2022 > 43(7): 7-13. > DOI: 10.12073/j.hjxb.20220109002

DU Suigeng, LIU Guanxiang, LI Ju. Microstructure and properties of the linear friction welded joints between the different quality TC17 with post-weld aging treatments[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 2022, 43(7): 7-13. DOI: 10.12073/j.hjxb.20220109002

Citation:

PDF (5964 KB)

Microstructure and properties of the linear friction welded joints between the different quality TC17 with post-weld aging treatments

1.
Key Laboratory of High Performance Manufacturing for Aero Engine, Ministry of Industry and Information Technology, Northwestern Polytechnical University, Xi’an, 710072, China
2.
Aeronautical Key Laboratory for Welding and Joining Technologies, AVIC Manufacturing Technology Institute, Beijing, 100024, China

More Information

Received Date: January 08, 2022
Available Online: July 18, 2022

Graphical Abstract

Abstract

Abstract

Linear friction welding has been a key technology for manufacturing aero-engine blisks. The microstructure and properties of linear friction welded (LFW) joints of TC17 (α + β) and TC17(β) titanium alloy and post weld aging treatment (PWAT) joints at different temperature are compared by testing of optical microscope, scanning electron microscope, universal testing machine and microhardness tester. The results show that the microstructure of the weld and the surrounding area in the welded state is supercooled β-fine grained, with the lowest hardness. After post-weld aging treatment, fine needle-like α-phase is precipitated, and the hardness increases. The hardness values of the welding area and the surrounding area are obviously increased when the post-weld aging temperature is 400 ℃, and the welding area is embrittled. The bending angle of the joint is the highest, but the strength decreases when the post-weld aging temperature is 630 ℃. With the considerations of both the bending and tensile properties of the welded joint, the optimal post-weld aging temperature is found to be 550 ℃. The joint’s bending angle and tensile strength could reach 36% and 95% of that of the base metal, respectively. The micro plasticity deformations of TC17(α + β) thermal and mechanical affected zone (TMAZ) are more uniform after applying force, and its strength and plastic properties are than those of the TC17(β) side TMAZ. The weakest zone of the joint is located at TC17(β) TMAZ, where the variations of the hardness and microstructure have the greatest gradient. Compared with the base metal, the plastic loss of LFW joint is much greater than the strength loss.
- linear friction welding,
- post-weld aging treatment,
- titanium alloy,
- bending property blisk

FullText(HTML)

References (11)

References

Sadallah Y. Linear friction welding – process development and applications in aerospace industry[C]//The 14th World Conference on Titanium, MATEC Web of Conferences 321. Nantes, France, 2020: 201903022.

李晓红, 张彦华, 李赞, 等. 热处理温度对TC17(α + β)/TC17(β)钛合金线性摩擦焊接头组织及力学性能的影响[J]. 材料工程, 2020, 48(1): 115 − 120. doi: 10.11868/j.issn.1001-4381.2018.000295

Li Xiaohong, Zhang Yanhua, Li Zan, et al. Effect of heat treatment temperatures on microstructure and mechanical property of linear friction welded joints of titanium alloys TC17 (α+β)/TC17(β)[J]. Journal of Material Engineering, 2020, 48(1): 115 − 120. doi: 10.11868/j.issn.1001-4381.2018.000295

李菊, 张田仓, 郭德伦. 热处理对 TC17(α + β)/TC17(β) 线性摩擦焊接头组织及力学性能的影响[J]. 焊接学报, 2018, 39(5): 97 − 100,120. doi: 10.12073/j.hjxb.2018390131

Li Ju, Zhang Tiancang, Guo Delun. Influence of heat treatment on microstructure and mechanical properties of TC17(α + β)/TC17(β) linear friction welding joint[J]. Transactions of the China Welding Institution, 2018, 39(5): 97 − 100,120. doi: 10.12073/j.hjxb.2018390131

常川川, 张田仓, 李菊, 等. 高氧TC4/TC17钛合金线性摩擦焊接头组织特征及力学性能[J]. 焊接学报, 2019, 40(12): 109 − 114,120.

Chang Chuanchuan, Zhang Tiancang, Li Ju, et al. Microstructure and properties of linear friction welded joint of hyperoxia TC4/TC17 dissimilar titanium alloys[J]. Transactions of the China Welding Institution, 2019, 40(12): 109 − 114,120.

周军, 梁武, 张春波, 等. TC17钛合金线性摩擦焊接头组织及力学性能分析[J]. 焊接学报, 2020, 41(5): 36 − 41. doi: 10.12073/j.hjxb.20200408002

Zhou Jun, Liang Wu, Zhang Chunbo, et al. Microstructure and mechanical properties of linear friction welding joint of TC17 titanium alloy[J]. Transactions of the China Welding Institution, 2020, 41(5): 36 − 41. doi: 10.12073/j.hjxb.20200408002

Zhao Pengkang, Fu Li, Chen Haiyan. Low cycle fatigue properties of linear friction welded joint of TC11 and TC17 titanium alloys[J]. Journal of Alloys and Compounds, 2016, 675: 248 − 256. doi: 10.1016/j.jallcom.2016.03.113

Dalgaard E, Wanjara P, Gholpour J, et al. Linear friction welding of a near-β titanium alloy[J]. Acta Materialia, 2012, 60(2): 770 − 780. doi: 10.1016/j.actamat.2011.04.037

Yina Guo, Taenam Jung, Yu Lung Chiu, et al. Microstructure and microhardness of Ti6246 linear friction weld[J]. Materials Science & Engineering A, 2013, 562: 17 − 24.

García J M, Gaslain F, Morgeneyer T F. On the effect of a thermal treatment on the tensile and fatigue properties of weak zones of similar Ti17 linear friction welded joints and parent material[J]. Materials Characterization, 2020, 169(110570): 1 − 18.

García J M, Esin V A, Morgeneyer T F. Strength, fatigue strength and toughness of dissimilar Ti17-Ti64 linear friction welded joints: Effect of soft surface contamination and depletion of α precipitates. Materials Science & Engineering A, 2021, 799(139989): 1 − 19.

杜随更, 徐婉婷, 高漫. TC17-TC11异种钛合金线性摩擦焊接头弯曲性能分析与改善[J]. 机械工程学报, 2021, 57(24): 200 − 210. doi: 10.3901/JME.2021.23.001

Du Suigeng, Xu Wanting, Gao Man. Bending property analysis and improvement of TC17-TC11 dissimilar titanium alloy linear friction welding joint[J]. Journal of Mechanical Engineering, 2021, 57(24): 200 − 210. doi: 10.3901/JME.2021.23.001

[1]	YIN Yuhuan, ZENG Caiyou, GAO Han, ZHANG Tiemin, QI Bojin, CONG Baoqiang. Effect of heat treatment on microstructure evolution and mechanical properties of 2219 aluminum alloy joint as fabricated by double-pulsed TIG welding[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 2022, 43(4): 42-49. DOI: 10.12073/j.hjxb.20211102003
[2]	LI Ju, ZHANG Tiancang, GUO Delun. Influence of heat treatment on microstructure and mechanical properties of TC17(α+β)/TC17(β) linear friction welding joint[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 2018, 39(5): 97-100，120. DOI: 10.12073/j.hjxb.2018390131
[3]	XU Zhongfeng, LU Hao, YU Chun, YANG Yang. Microstructure and mechanical properties of 2219 aluminum alloy refilling friction stir welded joints[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 2013, (3): 73-76.
[4]	YAN Keng, SHI Zhiqiang, WANG Xiling. Influence of heat treatment on microstructure and mechanical properties of spray formed 7xxx series aluminum alloy TIG weld joint[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 2012, (3): 33-36,40.
[5]	ZHU Hai, ZHENG Haiyang, GUO Yarding. Effects of heat treatment technology on mechanical properties of friction welding drill rod[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 2008, (12): 93-96.
[6]	MA Tiejun, YANG Siqian, ZHANG Yong, LI Wenya. Mechanical properties and microstructure features of linear friction welded TC4 titanium alloy joint[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 2007, (10): 17-20.
[7]	YAO Wei, GONG Shui-li, CHEN Li. Microstructure and mechanical properties of laser welded joint of titanium alloy[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 2006, (2): 69-72,76.
[8]	YAN Keng, CAO Liang, CHEN Hua-bin. Effect of tool tilt angle on formation and mechanical property of FSW[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 2005, (12): 35-38.
[9]	Sun Daqian, Zhou Zhenfeng, Ren Zhenan. Microstructure and Mechanical Properties of Austempered Ductile Iron Welds[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 1995, (4): 202-207.
[10]	Shi Yaowu, Zhou Ningning, Zhang Xinping, Tang Wei, Lei Yongping. Microshear test and its evaluation to mechanical properties of welded joints[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 1994, (4): 235-240.

Cited By

Cited by

Periodical cited type(1)

朱新杰，李永涛，邓明晰，姚森，张洁. 焊缝散射条件下板中超声导波直线阵列多帧变秩成像检测. 焊接学报. 2025(01): 80-86 .

本站查看

Other cited types(0)

Get Citation

PDF

XML

Article views (287) PDF downloads (43) Cited by(1)

Turn off MathJax

Article Contents

Abstract

References

Microstructure and properties of the linear friction welded joints between the different quality TC17 with post-weld aging treatments