Influence of stacking direction on the local cyclic plastic behavior of selective laser melted TC4 alloy notched parts

Wang Zhiqiang; Li Jian; Zhao Xun; Zhao Xuetong; Xu Yingdong; Tang Mingyang; Liu Qing; Ge Junming; Xiao Min

doi:10.7513/j.issn.1004-7638.2024.04.011

Volume 45 Issue 4

Aug. 2024

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Article Navigation > IRON STEEL VANADIUM TITANIUM > 2024 > 45(4): 68-75

Wang Zhiqiang, Li Jian, Zhao Xun, Zhao Xuetong, Xu Yingdong, Tang Mingyang, Liu Qing, Ge Junming, Xiao Min. Influence of stacking direction on the local cyclic plastic behavior of selective laser melted TC4 alloy notched parts[J]. IRON STEEL VANADIUM TITANIUM, 2024, 45(4): 68-75. doi: 10.7513/j.issn.1004-7638.2024.04.011

Citation:

Wang Zhiqiang, Li Jian, Zhao Xun, Zhao Xuetong, Xu Yingdong, Tang Mingyang, Liu Qing, Ge Junming, Xiao Min. Influence of stacking direction on the local cyclic plastic behavior of selective laser melted TC4 alloy notched parts[J]. IRON STEEL VANADIUM TITANIUM, 2024, 45(4): 68-75. doi: 10.7513/j.issn.1004-7638.2024.04.011

Citation:

Wang Zhiqiang, Li Jian, Zhao Xun, Zhao Xuetong, Xu Yingdong, Tang Mingyang, Liu Qing, Ge Junming, Xiao Min. Influence of stacking direction on the local cyclic plastic behavior of selective laser melted TC4 alloy notched parts[J]. IRON STEEL VANADIUM TITANIUM, 2024, 45(4): 68-75. doi: 10.7513/j.issn.1004-7638.2024.04.011

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Influence of stacking direction on the local cyclic plastic behavior of selective laser melted TC4 alloy notched parts

doi: 10.7513/j.issn.1004-7638.2024.04.011

1.
Shanghai Supervision and Testing Center for Nonferous Metals Industry Co., Ltd., Shanghai 201804,China
2.
Faculty of Civil Engineering and Mechanics, Jiangsu University, Zhenjiang 212013, Jiangsu, China
3.
School of Energy and Power Engineering, Jiangsu University, Zhenjiang 212013, Jiangsu, China
4.
School of Mechanical Engineering, Jiangsu University, Zhenjiang 212013, Jiangsu, China
5.
School of Mathematical Sciences, Jiangsu University, Zhenjiang 212013, Jiangsu, China

Received Date: 2023-12-11
Publish Date: 2024-08-30

Abstract

Abstract

In this paper the influence of stacking direction on the local cyclic plastic behavior of selective laser melted (SLM) TC4 alloy notched parts had been investigated through digital image correlation technology. The results indicate that the plastic deformation near the root of the notched parts can be influenced by the stacking direction and notch radius, thereby affecting the fatigue life of the notched parts. The ratcheting strain and strain rate near the root of the notch decrease with the change of stacking direction (from 0° to 90°), and also decrease with the change of the notch radius. Compared with effect by notch radius, stacking direction cause less influence on the ratchet strain, strain rate and fatigue life. The research results will provide a certain theoretical reference for the fatigue design of SLM parts.
- TC4,
- selective laser melted,
- stacking direction,
- notch,
- cyclic plasticity,
- ratcheting strain,
- fatigue life,
- DIC

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References(24)

References

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