TY - JOUR
T1 - In-situ synthesis of TiC-Al2O3 coating on copper surface
AU - Yang, Fang
AU - Qin, Qian
AU - Shi, Tao
AU - Lu, Xin
AU - Chen, Cunguang
AU - Guo, Zhimeng
AU - Volinsky, Alex A.
N1 - Funding Information:
This study was funded by the China Postdoctoral Science Foundation (No. 2018M641188 ), the Fundamental Research Funds for the Central Universities (No. FRF-TP-18-025A1 ) and the National Key R&D Program of China (No. 2016YFB1101201 ).
Funding Information:
This study was funded by the China Postdoctoral Science Foundation (No. 2018M641188), the Fundamental Research Funds for the Central Universities (No. FRF-TP-18-025A1) and the National Key R&D Program of China (No. 2016YFB1101201).
Publisher Copyright:
© 2019 Elsevier B.V.
PY - 2019/9/15
Y1 - 2019/9/15
N2 - In-situ TiC-Al2O3 strengthening coating was applied on copper, using the vacuum-expendable pattern casting (VEPC) in combination with the self-propagating high-temperature synthesis (SHS) technology. Due to the high heat consumption, highly exothermic CuO-Al (CA) reaction was employed to guarantee 100% completion of the Ti–C reaction. Consequently, TiC- Al2O3 coating was obtained after the ignition of Ti-C-CuO-Al SHS system by molten copper. Here, the optimal CA content was 10 wt%. During the casting process, molten copper infiltrated into the SHS coating, resulting in the achievement of dense coating microstructure. The hardness and wear resistance were also significantly improved. The hardness value of copper matrix was only 40 HB, while that of the composite coating was up to 195 HB. The mass loss reduced from 7.98 g to 0.44 g at 40 N load. Besides, metallurgical bonding was obtained with an ideal bond strength of 293 MPa.
AB - In-situ TiC-Al2O3 strengthening coating was applied on copper, using the vacuum-expendable pattern casting (VEPC) in combination with the self-propagating high-temperature synthesis (SHS) technology. Due to the high heat consumption, highly exothermic CuO-Al (CA) reaction was employed to guarantee 100% completion of the Ti–C reaction. Consequently, TiC- Al2O3 coating was obtained after the ignition of Ti-C-CuO-Al SHS system by molten copper. Here, the optimal CA content was 10 wt%. During the casting process, molten copper infiltrated into the SHS coating, resulting in the achievement of dense coating microstructure. The hardness and wear resistance were also significantly improved. The hardness value of copper matrix was only 40 HB, while that of the composite coating was up to 195 HB. The mass loss reduced from 7.98 g to 0.44 g at 40 N load. Besides, metallurgical bonding was obtained with an ideal bond strength of 293 MPa.
KW - AlO
KW - Coating
KW - Copper
KW - Self-propagating high-temperature synthesis
KW - TiC
KW - Vacuum-expendable pattern casting
UR - http://www.scopus.com/inward/record.url?scp=85066296719&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=85066296719&partnerID=8YFLogxK
U2 - 10.1016/j.surfcoat.2019.05.064
DO - 10.1016/j.surfcoat.2019.05.064
M3 - Article
AN - SCOPUS:85066296719
VL - 373
SP - 65
EP - 74
JO - Surface and Coatings Technology
JF - Surface and Coatings Technology
SN - 0257-8972
ER -