利用自制的滚动磨损试验机,测试了4种高钒高速钢的磨损性能,利用回归方法建立了磨损量关于循环次数和基体中碳含量的二元方程模型.结果表明:该模型可较准确地预测高速钢的磨损性能;预测结果揭示,基体中碳含量为0.48%～0.50%时,基体组织主要为低碳板条马氏体,硬度高且韧性较好,可以同时有效的抵御显微切削及疲劳磨损,磨损性能最佳.当基体中碳含量过低时,基体中出现大量硬度很低的铁素体相,显微切削为高速钢的主要磨损机制,而碳含量过高时,基体主要为韧性差的高碳马氏体,高速钢以疲劳磨损为主,二者均导致耐磨性下降.
参考文献
| [1] | Kim S W;Lee U J;Woo K D et al.Solidfication microstructure and mechanical properties of vertical centrifugal cast high speed steel[J].Materials Science and Technology,2003,19(12):1727-1732. |
| [2] | CHANG KYU KIM;JONG IL PARK;SUNGHAK LEE .Effects of Alloying Elements on Microstructure, Hardness, and Fracture Toughness of Centrifugally Cast High-Speed Steel Rolls[J].Metallurgical and Materials Transactions, A. Physical Metallurgy and Materials Science,2005(1):87-97. |
| [3] | Goto T;Matsuda Y;Sakamoto K et al.Basic characteristics and microstructure of high-carton high speed steel rolls for hot rolling mill[J].ISIJ International,1992,32(11):1184-1189. |
| [4] | C. S. Li;X. H. Liu;G. D. Wang;G. Yang .Experimental investigation on thermal wear of high speed steel rolls in hot strip rolling[J].Materials Science and Technology: MST: A publication of the Institute of Metals,2002(12):1581-1584. |
| [5] | 张洪月.高速钢轧辊的研究和应用[J].钢铁钒钛,2004(03):54-60. |
| [6] | Kenji Ichino;Yoshihiro Kataoka;Tomoya Koseki .Development of Centrifugal Cast Roll with High Wear Resistance for Finishing Stands of Hot Strip Mill[J].Kawasaki Steel Technical Report,1997(37):13-18. |
| [7] | 符寒光,弭尚林,邢建东,蒋志强.离心铸造高速钢轧辊偏析控制技术研究[J].铸造,2005(04):386-390. |
| [8] | Keun Chul Hwang;Sunghak Lee;Hui Choon Lee .Effects of alloying elements on microstructure and fracture properties of cast high speed steel rolls Part Ⅰ:Microstructural analysis[J].Materials Science and Engineering A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING,1998,254(01):282-295. |
| [9] | Wei SZ;Zhu JH;Xu LJ .Research on wear resistance of high speed steel with high vanadium content[J].Materials Science & Engineering, A. Structural Materials: Properties, Misrostructure and Processing,2005(1/2):138-145. |
| [10] | WEI Shi-zhong;ZHU Jin-hua;XU Liu-jie et al.Effects of carbon on microstructures and properties of high vanadium high-speed steel[J].Materials & Design,2006,27(01):58-63. |
| [11] | 魏世忠,朱金华,徐流杰,龙锐.残余奥氏体量对高钒高速钢性能的影响[J].材料热处理学报,2005(01):44-47. |
| [12] | 陈慧敏,陈跃,魏世忠,龙锐,杨溟瑞,苟新建.轧辊材质摩擦磨损性能测定装置的研制[J].机床与液压,2005(05):19-20,25. |
| [13] | J.W.Park;H.C.Lee .Composition,microstructure,hardness,and wear properties of high-speed steel rolls[J].Metallurgical and materials transactions. A, physical metallurgy and materials science,1999(2):399-409. |
| [14] | 王强,杨涤心,龙锐,魏世忠.高钒高速钢、高铬铸铁冷轧辊磨损试验研究[J].铸造,2005(06):570-574. |
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