Microstructure and Properties of In-Situ Generated WC-Reinforced Ni60 Gradient Coating by Laser Cladding on H13 Steel AITranslate
Abstract AITranslate
The WC-reinforced Ni60 gradient coating was generated on the surface of H13 steel by laser cladding.The microstructure,phase composition,microhardness and friction&wear properties of the coating were analyzed by metallographic microscope,scanning electron microscope,X-ray diffractometer,microhardness tester and universal friction&wear tester.The results indicate that there are relatively few pores and cracks in WC-reinforced Ni60 gradient coating.The coating and the substrate form a good metallurgical bond.The phases of gradient coating surface are mainly iron-carbon compound(FexC),iron-nickel solid solution((Fe,Ni)23C6,Ni4B3)and ceramic-reinforced phases such as WC,W2C and Cr7C3.The hardness and wear resistance of the die steel surface are significantly improved by the gradient coating.The maximum microhardness of the coating surface is about 4 times of the substrate,and its wear amount is only about 18%of the substrate.The wear mechanism of the coating mainly includes adhesive wear,brittle spalling and abrasive wear,which can prolong the service life of the die and reduce the waste of resources.
KeyWords AITranslate
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Basic Information:
DOI：
Chinese Library Classification Number:TG174.4[金属学及工艺—金属表面处理]
Citation Information:
The WC-reinforced Ni60 gradient coating was generated on the surface of H13 steel by laser cladding.The microstructure,phase composition,microhardness and friction&wear properties of the coating were analyzed by metallographic microscope,scanning electron microscope,X-ray diffractometer,microhardness tester and universal friction&wear tester.The results indicate that there are relatively few pores and cracks in WC-reinforced Ni60 gradient coating.The coating and the substrate form a good metallurgical bond.The phases of gradient coating surface are mainly iron-carbon compound(FexC),iron-nickel solid solution((Fe,Ni)23C6,Ni4B3)and ceramic-reinforced phases such as WC,W2C and Cr7C3.The hardness and wear resistance of the die steel surface are significantly improved by the gradient coating.The maximum microhardness of the coating surface is about 4 times of the substrate,and its wear amount is only about 18%of the substrate.The wear mechanism of the coating mainly includes adhesive wear,brittle spalling and abrasive wear,which can prolong the service life of the die and reduce the waste of resources.
quote
| GB/T 7714-2015 | [1] XUE Sheng-li, LI Jin-hua, YAO Fang-ping, et al. Microstructure and Properties of In-Situ Generated WC-Reinforced Ni60 Gradient Coating by Laser Cladding on H13 Steel[J]. Rare Metals and Cemented Carbides, 2022(6): 41-45. |
| MLA | [1] XUE Sheng-li, et al., "Microstructure and Properties of In-Situ Generated WC-Reinforced Ni60 Gradient Coating by Laser Cladding on H13 Steel." Rare Metals and Cemented Carbides, no. 6, 2022, pp. 41-45. |
| APA | [1] XUE Sheng-li, LI Jin-hua, YAO Fang-ping, & LI Xiang-xin. (2022). Microstructure and Properties of In-Situ Generated WC-Reinforced Ni60 Gradient Coating by Laser Cladding on H13 Steel. Rare Metals and Cemented Carbides(6), 41-45. |
| IEEE | [1] XUE Sheng-li, LI Jin-hua, YAO Fang-ping, and LI Xiang-xin, "Microstructure and Properties of In-Situ Generated WC-Reinforced Ni60 Gradient Coating by Laser Cladding on H13 Steel," Rare Metals and Cemented Carbides, no. 6, pp. 41-45, 2022. keywords: {gradient coating;laser cladding;in-situ generation;Ni60;WC;microhardness;wear mechanism} |