Hongji Sun, Jing Wei, Zhaohong Zheng, Dechuang Zhang, Jianguo Lin. Effects of Laser Process Parameters on Residual Stress of Pure Titanium Samples Prepared by Laser Melting Deposition[J]. Chinese Journal of Lasers, 2019, 46(3): 0302014
- Chinese Journal of Lasers
- Vol. 46, Issue 3, 0302014 (2019)
Fig. 1. Model for laser melting deposition of pure titanium component
Fig. 2. Schematic of dimension and shape of sample to be tested
Fig. 3. Residual stress distributions along different directions. (a) Horizontal direction; (b) height direction
Fig. 4. Residual stress versus laser power under different directions. (a) Horizontal direction; (b) height direction
Fig. 5. Residual stress versus scanning speed under different directions. (a) Horizontal direction; (b) height direction
Fig. 6. Residual stress versus powder feeding rate under different directions. (a) Horizontal direction; (b) height direction
Fig. 7. Laser melting deposited pure Ti sample
Fig. 8. Schematic of residual stress induced by temperature gradient
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Table 1. Process parameters for laser additive manufacturing
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Table 2. Measurement results of residual stressesMPa
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