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Analysis of Microstructure and Properties of Particles Reinforced Cladding Layer on the Steel Surface |
YE Cheng, DU Xiaodong, YANG Haoyu |
School of Material Science and Engineering, Hefei University of Technology, Hefei 230009 |
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Cite this article:
YE Cheng DU Xiaodong YANG Haoyu. Analysis of Microstructure and Properties of Particles Reinforced Cladding Layer on the Steel Surface. Chin J Mater Res, 2012, 26(1): 55-60.
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Abstract The WC reinforced cladding layer was prepared on the surface of 45 steel argon-arc cladding. The microstructure and properties of cladding layer were investigated. The wear mechanism of cladding layer and the appearance of WC reinforced particles in wear process were analyzed. The results show that the cladding layer is metallurgical bond with substrate and its structure disperses homogeneitily. There are lots of dispersing-distributed WC particles on the surface. And there is an interface reaction between WC particles and matrix. The average microhardness of the cladding layer is higher than that of substrate. The wear resistance of the cladding layer is 18 times higher than that of 45 matrix steel and is double that of the quenched Cr12MoV steel. The surface of the reinforced particles were polished rarely and spalled in wear process.
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Received: 22 September 2011
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Fund: Supported by National Key Basic Research and Development Program of China No.2011CB013402, the Innovation Foundation of Science and Technology No.09C26213404170, and the Key Project for Natural Science of Anhui Education Department No.KJ2009A094. |
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