NIMTE OpenIR  > 2018专题
Numerical and Experimental Investigation on Bonding Behavior of Cold Sprayed Porous WC-17Co Particles onto Different Substrates
Suo, Xinkun; Yin, Shuo; Li, Hua; Lupoi, Rocco
2018
Source PublicationCOATINGS
Volume8Issue:10
AbstractCold sprayed WC-Co metal matrix composite coatings have shown great potential in wear-resistance applications. This work aims to use experimental and numerical methods to clarify the deposition and particle-substrate bonding behavior of a single porous WC-17Co particle onto various substrates. To achieve this objective, porous WC-17Co particles were used as the feedstock; soft Al 2024 (Al alloy) and hard stainless steel 316 (SS) were used as the substrates. The experimental results revealed that brittle WC-Co particles tended to remain intact after depositing on a soft Al alloy substrate, but underwent serious fracture when impacting on a hard SS substrate. Further results indicated that the high energy dissipation and the consequent high stress concentration in the WC-Co particle was the main reason for inducing the particle fracture. In addition, two different mechanical interlocking mechanisms were identified during the WC-Co particle deposition process (namely WC reinforcement interlock and WC-Co particle interlock), dominating the particle-substrate bonding. A soft Al alloy substrate resulted in better interlocking than a hard SS substrate, thereby the corresponding particle bonding ratio was also much higher.
KeywordDeposition Behavior Coatings Microstructure Mechanism Cobalt Steel Performance Strength Hardness Powder
Subject AreaMaterials Science ; Physics
Language英语
Document Type期刊论文
Identifierhttp://ir.nimte.ac.cn/handle/174433/17143
Collection2018专题
Recommended Citation
GB/T 7714
Suo, Xinkun,Yin, Shuo,Li, Hua,et al. Numerical and Experimental Investigation on Bonding Behavior of Cold Sprayed Porous WC-17Co Particles onto Different Substrates[J]. COATINGS,2018,8(10).
APA Suo, Xinkun,Yin, Shuo,Li, Hua,&Lupoi, Rocco.(2018).Numerical and Experimental Investigation on Bonding Behavior of Cold Sprayed Porous WC-17Co Particles onto Different Substrates.COATINGS,8(10).
MLA Suo, Xinkun,et al."Numerical and Experimental Investigation on Bonding Behavior of Cold Sprayed Porous WC-17Co Particles onto Different Substrates".COATINGS 8.10(2018).
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