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Study on local cyclic plastic behavior of 3D printed titanium alloy notched parts
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Huan LIU1, Yingdong XU2, Jian LI3, Xun ZHAO3, Depu LIU4, Zhiqiang WANG5, Yingchao ZHOU1, Lijia FANG1, Pei CHEN1, Qing LIU2, Chengjun SHEN2
Journal of Mechanical Strength | 2025, 47(6) : 141 - 151
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Journal of Mechanical Strength | 2025, 47(6): 141-151
• Experimental Research·Testing Technology •
Study on local cyclic plastic behavior of 3D printed titanium alloy notched parts
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Huan LIU1, Yingdong XU2, Jian LI3, Xun ZHAO3, Depu LIU4, Zhiqiang WANG5, Yingchao ZHOU1, Lijia FANG1, Pei CHEN1, Qing LIU2, Chengjun SHEN2
Affiliations
  • 1.HFYC (Zhenjiang) Additive Manufacturing Co., Ltd., Zhenjiang 212132, China
  • 2.School of Energy and Power Engineering, Jiangsu University, Zhenjiang 212013, China
  • 3.Institute of Structural Health Management, School of Civil Engineering and Mechanics, Jiangsu University, Zhenjiang 212013, China
  • 4.School of Materials Science and Engineering, Jiangsu University, Zhenjiang 212013, China
  • 5.Shanghai Nonferrous Metals Industry Supervision & Testing Center, Shanghai 201804, China
Published: 2025-06-15 doi: 10.16579/j.issn.1001.9669.2025.06.017
Outline
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The main purpose was to study the local cyclic plastic behavior of 3D printed titanium alloy notched parts. Firstly, the local stress and strain field near the 3D printed titanium alloy notch was analyzed in detail by finite element method，and the evolution of stress and strain field was deeply investigated. Then, the experimental study was carried out and the influence of the forming direction on the results was analyzed. The results show that ratcheting deformation occurs at the notch root, with the maximum ratcheting strain rate in the L3 direction and the minimum ratcheting strain rate in the L1 direction. The influence of the forming direction on the stress triaxiality is not too obvious. The elastic strain energy of different forming directions is almost no difference. However, the forming direction has a great influence on the plastic strain energy. With the increase of the number of cycles, the difference of plastic strain energy results for different notch radii also becomes larger.

Notch  /  Ratcheting deformation  /  Stress triaxiality  /  Strain energy  /  3D printing  /  Forming direction
Huan LIU, Yingdong XU, Jian LI, Xun ZHAO, Depu LIU, Zhiqiang WANG, Yingchao ZHOU, Lijia FANG, Pei CHEN, Qing LIU, Chengjun SHEN. Study on local cyclic plastic behavior of 3D printed titanium alloy notched parts[J]. Journal of Mechanical Strength, 2025 , 47 (6) : 141 -151 . DOI: 10.16579/j.issn.1001.9669.2025.06.017
Funding
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  • Project Funded by China Postdoctoral Science Foundation(2020M681496)
  • National Natural Science Foundation of China(52105149)
Appendix
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Year 2025 volume 47 Issue 6
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72
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Article Info
doi: 10.16579/j.issn.1001.9669.2025.06.017
  • Receive Date：2023-07-06
  • Online Date：2026-03-18
  • Published：2025-06-15
Article Data
Affiliations
History
  • Received：2023-07-06
  • Revised：2023-11-23
Funding
Project Funded by China Postdoctoral Science Foundation(2020M681496)
National Natural Science Foundation of China(52105149)
Affiliations
    1.HFYC (Zhenjiang) Additive Manufacturing Co., Ltd., Zhenjiang 212132, China
    2.School of Energy and Power Engineering, Jiangsu University, Zhenjiang 212013, China
    3.Institute of Structural Health Management, School of Civil Engineering and Mechanics, Jiangsu University, Zhenjiang 212013, China
    4.School of Materials Science and Engineering, Jiangsu University, Zhenjiang 212013, China
    5.Shanghai Nonferrous Metals Industry Supervision & Testing Center, Shanghai 201804, China

Corresponding:

LI Jian, E-mail：
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Citations
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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