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Effect of laser shock peeing, shot peeing and their combination treatment on surface integrity and axial fatigue property of TB6 titanium alloy
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Science & Technology Review | 2021, 39(9) : 48 - 55
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Science & Technology Review | 2021, 39(9): 48-55
• Exclusive: Aircraft materials and manufacture technology •
Effect of laser shock peeing, shot peeing and their combination treatment on surface integrity and axial fatigue property of TB6 titanium alloy
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LUO Xuekun1, ZHAO Chunling2, ZHA Xiaohui2, WANG Xin1, SONG Yinggang1, TANG Zhihui1
Affiliations
    1. Aviation Key Laboratory of Advanced Corrosion and Protection on Aviation Materials, AECC Beijing Institute of Aeronautical Material, Beijing 100095, China;
    2. Hunan Aviation Power Machinery Research Institute, Aero Engine Corporation of China, Zhuzhou 412002, China
Published: 2021-05-13 doi: 10.3981/j.issn.1000-7857.2021.09.005
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To improve the fatigue performance of aircraft rotor of TB6 titanium alloy, the effects of laser shock peening (LSP), shot peening (SP) and their combination processing methods on surface integrity and axial fatigue property of the titanium alloy are investigated. The surface topography, residual stress distribution and microstructure are characterized by white light interferometer, X-ray diffraction stress tester and scanning electron microscope. The axial fatigue life and limit are investigated by fatigue tester. Results show that compared with the grinding (GD) specimen under the same test conditions, the fatigue life of LSP specimens is improved by 32.2 times, while the fatigue lifes of SP and the combination processing specimens are both increased by at least 126.4 times. The combination processing method exhibits better improvement for fatigue limit than the SP method.
laser shock peening  /  shot peening  /  titanium  /  fatigue limit  /  surface integrity
罗学昆, 赵春玲, 查小辉, 王欣, 宋颖刚, 汤智慧. 激光冲击、喷丸及其复合强化对TB6钛合金表面完整性及轴向疲劳性能的影响. 科技导报, 2021 , 39 (9) : 48 -55 . DOI: 10.3981/j.issn.1000-7857.2021.09.005
LUO Xuekun, ZHAO Chunling, ZHA Xiaohui, WANG Xin, SONG Yinggang, TANG Zhihui. Effect of laser shock peeing, shot peeing and their combination treatment on surface integrity and axial fatigue property of TB6 titanium alloy[J]. Science & Technology Review, 2021 , 39 (9) : 48 -55 . DOI: 10.3981/j.issn.1000-7857.2021.09.005
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doi: 10.3981/j.issn.1000-7857.2021.09.005
  • Receive Date：2020-04-29
  • Online Date：2021-06-08
  • Published：2021-05-13
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  • Received：2020-04-29
  • Revised：2020-09-19
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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