在960～1080℃区间4个奥氏体化温度段对离心铸造高碳高速钢进行淬、回火,测试其磨损性能.结果表明:1000℃奥氏体化热处理的试样,磨损13h后体积损失量最低,仅为960℃奥氏体化处理后的43％.通过光学显微镜(OM)、SEM及XRD对试样组织形貌和结构分析表明:铸造组织为针状马氏体、残留奥氏体、共晶碳化物,晶界碳化物偏析随奥氏体化温度升高有先减后增趋势.1000℃奥氏体化淬、回火后晶粒内球状、短棒状MC型碳化物分布最为均匀.
参考文献
| [1] | 冯明杰,王恩刚,张兴武,赫冀成.电磁连续铸造法制备高速钢复合轧辊[J].稀有金属材料与工程,2012(08):1487-1490. |
| [2] | Fu H G,Qu Y H,Xing J D,et al .Investigations on heat treatment of a high-speed steel roll[J].Journal of Materials Engineering and Performance,2008,17(4):535-542.,2008. |
| [3] | Wei S Z,Zhu J H,Xu L J .Effects of vanadium and carbon on microstructures and abrasive wear resistance of high speed steel[J].Tribology International,2006,39(7):641-648.,2006. |
| [4] | 鲍姚亮,岑启宏,蒋业华,周荣,何正员,师晓莉.淬火温度对高硼高速钢显微组织的影响[J].材料热处理学报,2012(07):72-75. |
| [5] | Uematsu Y,Kakiuchi T,Tokaji K,et al .Effects of shot peening on fatigue behavior in high speed steel and cast iron with spheroidal vanadium carbides dispersed within martensitic-matrix microstructure[J].Materials Science and Engineering A,2013,561 |
| [6] | 张永,马党参,刘建华,陈再枝,雍岐龙.淬火和回火温度对W4Mo2Cr4VNb高速钢组织和力学性能的影响[J].金属热处理,2007(05):63-65. |
| [7] | Wu Q,Sun D L,Liu C S .Effect of austenitizing temperature on microstructure and mechanical properties of semi-high-speed steel cold-forged rolls[J].Journal of Materials Engineering and Performance,2009,18(7):952-958.,2009. |
| [8] | Zhang X D,Liu W,Sun D L,et al .The transformation of carbides during austenization and its effect on the wear resistance of high speed steel rolls[J].Metallurgical and Materials Transactions A,2007,38 |
| [9] | 迟宏宵,马党参,占礼春,徐辉霞,朱旺龙.热处理对高速钢W6Mo5Cr4V3Co8组织和性能的影响[J].材料热处理学报,2012(12):105-109. |
| [10] | Zhang X D,Liu W,Godfrey A,et al .The effect of long-time austenization on the wear resistance and thermal fatigue properties of a high-speed steel roll[J].Metallurgical and Materials Transactions A,2009,40 |
| [11] | Ha D J,Sung H K,Park J W,et al .Effects of alloying elements on microstructure,hardness,wear resistance,and surface roughness of centrifugally cast high-speed steel rolls[J].Metallurgical and Materials Transactions A,2009,40(11):2568-2577.,2009. |
| [12] | Vitry V,Nardone S,Breyer J P,et al .Microstructure of two centrifugal cast high speed steels for hot strip mills applications[J].Materials & Design,2012,34 |
| [13] | Pan F S,Wang W Q,Tang A T,et al .Phase transformation refinement of coarse primary carbides in M2 high speed steel[J].Progress in Natural Science:Materials International,2011,21(2):180-186.,2011. |
| [14] | Zhou X F,Fang F,Li F,et al .Morphology and microstructure of M2 C carbide formed at different cooling rates in AISI M2 high speed steel[J].Journal of Materials Science,2011,46 |
| [15] | Zalisz Z,Watts A,Mitchell S C,et al .Friction and wear of lubricated M3 Class 2 sintered high speed steel with and without TiC and MnS additives[J].Wear,2005,258:701-711.,2005. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%