Scratch behavior of high speed steels for hot rolls 被引量：1

Scratch behavior of high speed steels for hot rolls

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摘要 The scratch behaviors of two high speed steels （HSS） for hot rolls were studied by a Micro-combi Tester, and the emphasis was placed on researching the relations between the microstructure and the scratch resistance property of different HSS. The experimental results indicate that during the scratch process, the carbides are embedded into the matrix, the penetration depth of different HSS is closely related with the matrix hardness, i.e., the higher the matrix hardness, the better the scratch resistance property; and in the matrix, the fine, dispersive carbides are beneficial to form steady friction between the indenter and the scratched materials, but the coarser carbides are easier to fall into pieces. The scratch behaviors of two high speed steels （HSS） for hot rolls were studied by a Micro-combi Tester, and the emphasis was placed on researching the relations between the microstructure and the scratch resistance property of different HSS. The experimental results indicate that during the scratch process, the carbides are embedded into the matrix, the penetration depth of different HSS is closely related with the matrix hardness, i.e., the higher the matrix hardness, the better the scratch resistance property; and in the matrix, the fine, dispersive carbides are beneficial to form steady friction between the indenter and the scratched materials, but the coarser carbides are easier to fall into pieces.

作者 Li Zhou Dale Sun Changsheng Liu Chunguang Li Lisong Yao

机构地区 Shougang Research Institute of Technology Technology Center School of Materials and Metallurgy

出处《Journal of University of Science and Technology Beijing》 CSCD 2008年第4期402-406,共5页 北京科技大学学报（英文版）

关键词 high speed steel （HSS） SCRATCH MATRIX CARBIDE penetration depth high speed steel （HSS） scratch matrix carbide penetration depth

分类号 TG142 [金属学及工艺—金属材料] TG335.11 [金属学及工艺—金属压力加工]

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参考文献13

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