金属学报  1996, Vol. 32 Issue (3): 313-317

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M2铸造高速钢的变质研究

李彦军;姜启川;赵宇光;何镇明

吉林工业大学

MODIFICATION OF M2 CAST HIGH SPEED STEEL

LI Yanjun; JIANG Qichuan; ZHAO Yuguang; HE Zhenming(Jilin University of Technology; Changchun 130025) (Manuscript received 1 995-10-06)

李彦军;姜启川;赵宇光;何镇明. M2铸造高速钢的变质研究[J]. 金属学报, 1996, 32(3): 313-317.
, , , . MODIFICATION OF M2 CAST HIGH SPEED STEEL[J]. Acta Metall Sin, 1996, 32(3): 313-317.

摘要 参考文献 相关文章 Metrics 全文: PDF(412 KB)   摘要: 研究了ＲＥ－Ａｌ－Ｂ－Ｔｉ复合变质对Ｍ２铸造高速钢凝固组织以及加热过程中共晶碳化物的分解与粒化的影响．结果表明，变质使该钢铸态组织得到细化，共晶碳化物呈断续网状分布，以Ｍ２Ｃ为主，ＭＣ有所增加；变质使Ｍ２Ｃ经８５０℃，３ｈ加热即发生分解并粒化，经１０００℃，３ｈ退火，晶界碳化物大量溶解；变质Ｍ２钢的淬火、回火组织中，碳化物呈粒状弥散分布，因而冲击韧性大大提高，并具有较高的硬度和红硬性。 关键词 ： Ｍ２铸造高速钢,  复合变质,  共晶碳化物,  粒化     Abstract：The solidification microstructrues and the effect of heat treatment on the eutectic carbides of M2 cast high speed steel modified with RE-B-AI-Ti compound were investigated. The solidification microstructures may be refined by modification and the eutectic carbides, mainly M2C, present discontinuous network distribution. The amount of carbide MC may be increased. Decomposition and granulation of M2C may take place after annealing at 850℃ for 3 h. Annealed further at 1000℃ for 3 h, a large quantity of eutectic carbides dissolved into the matrix. The carbides occur as the granular dispersion in traditional quenching and tempering modified steel. Thus, a great improvement of the impact toughness and the hardness and red hardness may be obtained. Correspondent: LI Yanjun, Faculty of Foundry, Jilin University of Technology, Changchun 130025 Key words： M2 cast    high speed steel    modification    eutectic carbide    granulation 收稿日期: 1996-03-18      基金资助:国家自然科学基金 服务 把本文推荐给朋友 加入引用管理器 E-mail Alert RSS 作者相关文章 李彦军 姜启川 赵宇光 何镇明 44.8K 链接本文: https://www.ams.org.cn/CN/      或      https://www.ams.org.cn/CN/Y1996/V32/I3/313 1GhomaschiMR,SellarsCM．MetSci,1984:18(1):442LentaEJ,TwentymanME,PesciH．Metallography,1983;16:3873WatmoughT,GouwensPR．AFSTrans,1966:7:524StutzmanGD．AmMachinist,1970;114(15):585XiaojunM,BeelyPR．BritishFoundryman,1991;2:666ShiGongqi,DingPeidao,ZhouShouze．MaterSciTechnol．1992;18:4497HoyleG．HighSpeedSteels．London:ButterWorth&Co．Ltd．,1988:31 [1] 周雪峰, 方峰, 涂益友, 蒋建清, 徐辉霞, 朱旺龙. Al对M2高速钢凝固组织的影响*[J]. 金属学报, 2014, 50(7): 769-776. [2] 栾义坤 白云龙 宋男男 康秀红 李殿中. 离心铸造轧辊用高速钢的热处理[J]. 金属学报, 2009, 45(4): 470-475. [3] 邢建东;汪文虎;高义民;王恩泽. 含共晶碳化物Fe-Cr-Mn合金在高温含硫气氛中的腐蚀研究[J]. 金属学报, 1996, 32(2): 191-196. [4] 王树奇;姜启川;赵宇光;何镇明. 铸造Cr12模具钢共晶碳化物的粒化[J]. 金属学报, 1995, 31(23): 523-526. Viewed Full text Abstract Cited   Shared      Discussed