Linsen Shu, Jiasheng Wang. Effect of Defocusing Distance on Microstructure and Properties of Laser Welded Joint of 1Cr17Ni2 Stainless Steel Plate[J]. Laser & Optoelectronics Progress, 2020, 57(1): 011401
- Laser & Optoelectronics Progress
- Vol. 57, Issue 1, 011401 (2020)
Fig. 1. Schemes of welding process and preset defocusing distance
Fig. 2. Diagrams of making process and dimension of specimen
Fig. 3. Weld appearances and cross-sections under different defocusing distances. (a) -4.5 mm; (b) -5.0 mm; (c) -5.5 mm; (d) -6.0 mm
Fig. 4. Microstructures of welded joint. (a) Overview; (b) partial enlarged drawing
Fig. 5. Microstructures of heat affected zone of sample under different defocusing distances. (a) -4.5 mm; (b) -5.0 mm; (c) -5.5 mm; (d) -6.0 mm
Fig. 6. Tensile strength of welded joint in 1Cr17Ni2 steel plate under different defocusing distances. (a) Stress-displacement curve; (b) tensile specimen
Fig. 7. Hardness distribution curves of welding joint of 1Cr17Ni2 stainless steel plate under different defocusing distances. (a) Distribution of positions of hardness test points; (b) hardness distribution curves
|
Table 1. Chemical composition of 1Cr17Ni2 stainless steel
| |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Table 2. Orthogonal test table
Set citation alerts for the article
Please enter your email address
© Copyright 2018-2021 | Chinese Laser Press. All Rights Reserved 沪ICP备15018463号-20