Laser & Optoelectronics Progress, Volume. 58, Issue 19, 1914007(2021)
Microstructure and Friction and Wear Properties of Laser Cladded Fe-Cr-Mo-Si Alloy Coating
Fig. 1. Micro-morphology of Fe-Cr-Mo-Si alloy powder
Fig. 2. Laser cladding system
Fig. 3. Test scheme of pin-disc friction-wear
Fig. 4. Morphologies of single cladding layer. (a) Macro-morphology of longitudinal section; (b) micro-morphology of cross-section
Fig. 5. Microstructures in various regions of the cross-section of laser cladding layer. (a) Top region of the cladding layer; (b) middle region of the cladding layer; (c) bottom region of the cladding layer; (d) middle region of the heat affected zone;(e)bottom region of the heat affected zone;(f)Q235 steel substrate
Fig. 6. Micro-hardness measurement on cross-section of the cladding layer. (a) Test points arrangement; (b) micro-hardness distribution curve
Fig. 7. Friction coefficient of specimens
Fig. 8. Wear outline of specimens
Fig. 9. Wear mass loss of different samples
Fig. 10. Wear surfaces of different samples. (a) Cladded sample (1#, F=50 N); (b) cladded sample (2#, F=100 N); (c) cladded sample (3#, F=150 N); (d) substrate sample (4#, F=50 N)
Fig. 11. Schematics of wear mechanism. (a) Abrasive wear; (b) adhesive wear
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Yue Dong, Linsen Shu, Ran Lin. Microstructure and Friction and Wear Properties of Laser Cladded Fe-Cr-Mo-Si Alloy Coating[J]. Laser & Optoelectronics Progress, 2021, 58(19): 1914007
Category: Lasers and Laser Optics
Received: Jan. 6, 2021
Accepted: Mar. 2, 2021
Published Online: Oct. 14, 2021
The Author Email: Shu Linsen (shulinsen19@163.com)