Laser & Optoelectronics Progress, Volume. 56, Issue 10, 101601(2019)
High Temperature Wear Behaviors of Laser Cladded NiCrBSi Coatings
Figures & Tables(11)
Fig. 1. Morphology of laser cladded Ni60 coating. (a) Macroscopic; (b) microscopic
Fig. 3. Microstructures of Ni60 coating after heat treatment. (a) 700 ℃; (b) 750 ℃
Fig. 8. Surface morphologies of coating after high temperature wear. (a) 700 ℃; (b) 750 ℃
Table 1. Chemical compositions of substrate and Ni60 alloy (mass fraction, %)
View tableTable 1. Chemical compositions of substrate and Ni60 alloy (mass fraction, %)
Material C Si B Mn Fe Cr Ni Ni60 0.80 4.00 3.50 - 15.00 15.50 Bal. Substrate 0.08 1.00 - 2.00 Bal. 20.00 11.00
Table 2. EDS analysis results of Cr7C3 before and after heat treatment (atomic fraction, %)
View tableTable 2. EDS analysis results of Cr7C3 before and after heat treatment (atomic fraction, %)
Temperature Ni Fe Cr Si C Room temperature 21.47 9.80 28.61 5.44 34.68 700 ℃ 21.86 11.45 31.89 2.86 31.94 750 ℃ 24.78 12.13 35.36 5.70 22.02
Table 3. EDS analysis results of CrB before and after heat treatment (atomic fraction, %)
View tableTable 3. EDS analysis results of CrB before and after heat treatment (atomic fraction, %)
Temperature Ni Fe Cr Si B C Room temperature 2.24 3.96 26.26 0.29 63.21 4.04 700 ℃ 1.98 3.20 24.28 0.27 61.92 8.36 750 ℃ 3.65 4.50 25.62 0.39 61.82 4.02
Tools
Get Citation
Copy Citation Text
Ting Yu, Jie Chen, Xixin Rao, Zixiang Zhang. High Temperature Wear Behaviors of Laser Cladded NiCrBSi Coatings[J]. Laser & Optoelectronics Progress, 2019, 56(10): 101601
Paper Information
Category: Materials
Received: Nov. 21, 2018
Accepted: Dec. 7, 2018
Published Online: Jul. 4, 2019
The Author Email: Ting Yu (yuyeting@sina.com)
© Copyright 2018-2021 | Chinese Laser Press.
All Rights Reserved 沪ICP备15018463号-20