金属学报  2006, Vol. 42 Issue (5): 545-548

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耐磨铸造Fe-B-C合金的研究

符寒光;蒋志强

清华大学机械工程系

A Study of Abrasion Resistant Cast Fe-B-C Alloy

FU Hanguang

清华大学

符寒光; 蒋志强 . 耐磨铸造Fe-B-C合金的研究[J]. 金属学报, 2006, 42(5): 545-548 .
, . A Study of Abrasion Resistant Cast Fe-B-C Alloy[J]. Acta Metall Sin, 2006, 42(5): 545-548 .

摘要 参考文献 相关文章 Metrics 全文: PDF(1134 KB)   摘要: 借助光学显微镜、扫描电镜和X射线衍射分析等手段, 研究了硼(B)含量>2.0%和碳(C)含量<0.2%的铸造Fe-B-C合金的凝固组织及热处理后的组织和性能. 铸造Fe-B-C合金的凝固组织由Fe2B、铁素体和珠光体组成, 硼化物呈网状沿晶界分布. Fe-B-C合金经950℃正火处理后, 局部出现断网现象, 基体组织全部转变为板条马氏体,硬度大幅度提高, HRC接近 60, 冲击韧度大于10 J/cm2, 动态断裂韧度大于30 MPa•m1/2.在干滑动磨损条件下, Fe-B-C合金的耐磨性优于镍硬白口铸铁和GCr15、Cr12MoV等合金钢, 与高铬白口铸铁相当.Fe-B-C合金熔炼简便、铸造性能好, 且不含Ni和Mo等昂贵合金元素, 具有较低的生产成本. 关键词 ： 铸造Fe-B-C合金,  硼化物,  板条马氏体     Abstract：The solidification structures of cast Fe-B-C alloy containing more than 2.0%B and lower than 0.2%C and the structures and properties of alloy after heat treatment were researched by means of optical microscopy (OM), scanning electron microscopy (SEM), X-ray diffraction (XRD), hardness measurements, impact tester and pin abrasion tester. The results show that the solidification structures of cast Fe-B-C alloy are made up of boride (Fe2B), pearlite and ferrite, and boride distributes along grain boundary in network form. After normalizing at 950oC, the part broken network of boride of cast Fe-B-C alloy appears, the matrix all transforms into lath martensite. The hardness of cast Fe-B-C alloy increases obviously and nears to60HRC, its impact toughness and dynamic fracture toughness excel 10J/cm2 and 30MPa.m1/2 respectively. In the condition of dry skimming wear, cast Fe-B-C alloy has excellent abrasion resistance. Its abrasion resistance is more excellent than that of Ni-hard white cast iron, GCr15 and Cr12MoV, nears to that of high chromium white cast iron. Cast Fe-B-C alloy has simple melting process and good casting property, there are no costly nickel and molybdenum elements and low production cost. Key words： cast Fe-B-C alloy    boride    lath martensite    abrasion resistance 收稿日期: 2005-08-26      ZTFLH:  TG113.22   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 符寒光 蒋志强 44.8K 链接本文: https://www.ams.org.cn/CN/      或      https://www.ams.org.cn/CN/Y2006/V42/I5/545 [1] Dogan O N, Hawk J A, Rice J. In: Association for Iron and Steel Technology ed., AIST Process Metallurgy. Product Quality and Applications Proceedings, New Orleans, LA, Unite States, 2004: 451 [2] Laird G Ⅱ. AFS Trans, 1991; 99: 339 [3] Carpenter S D, Carpenter D, Pearce J T H. Mater Chem Phys, 2004; 85(1): 32 [4] Maldonado-Ruiz S I, Lopez D, Velasco A, Colas R. Mater Sci Technol, 2004; 20 [5] Fan Q Y, Fu W. Mach Eng, 1999;(4):33 (范庆云,傅伟．机械工程师,1999;(4):33 [6] Zumelzu E, Goyos I, Cabezas C, Opitz O, Parada A.J Mater Process Technol, 2002; 128: 250 [7] Tabrett C P, Sare 1 R, Ghomashchi M R.Int Mater Rev, 1996; 41(2): 59 [8] Ge C L, Ye R C, Zhu S C. J Chin Univ Min Technol, 1997; 7(1): 69 [9] Berns H, Fischer A. Mater Charact, 1997; 39: 499 [10] Martini C, Palombarini G, Poll G, Prandstraller D. Wear, 2004; 256: 608 [11] Pertek A, Kulka M. J Mater Sci, 2003; 38: 269 [12] Zum Gahr K H, George E T. Wear, 1980; 64: 175 [13] Fu H H, Han K S, Song J I. Wear, 2004; 256: 705 [14] Celik H, Kaplan M. Wear, 2004; 257: 606 [15] Banerjee K, Rollett A D. Ironmaking Steelmaking,2003; 30(6): 62 [16] Baker H. Alloy Phase Diagrams. Materials Park, Ohio: ASM International, 1992: 281 [17] Benxi Iron & Steel Co. Boron Steel.Beijing:Metallurgi- cal Industry Press, 1977: 2 (本溪钢铁公司．硼钢．北京:冶金工业出版社,1977:2) [18] Richardson R C D. Wear, 1968; 11: 245n [1] 石增敏, 梁静宇, 李箭, 王毛球, 方子帆. 板条马氏体拉伸塑性行为的原位分析[J]. 金属学报, 2021, 57(5): 595-604. [2] 王希,刘仁慈,曹如心,贾清,崔玉友,杨锐. 冷却速率对β凝固γ-TiAl合金硼化物和室温拉伸性能的影响[J]. 金属学报, 2020, 56(2): 203-211. [3] 张敏,贾芳,程康康,李洁,许帅,仝雄伟. 调质处理对G520钢焊接接头组织及性能的影响[J]. 金属学报, 2019, 55(11): 1379-1387. [4] 马秀良, 胡肖兵. 高温合金中硼化物精细结构的高空间分辨电子显微学研究[J]. 金属学报, 2018, 54(11): 1503-1524. [5] 丁贤飞,刘东方,郑运荣,冯强. B微合金化对HK40合金铸造疏松的影响[J]. 金属学报, 2015, 51(9): 1121-1128. [6] 杨莉莉 郑立静 肖志霞 闫洁 张虎. 抽拉速率对定向凝固Ti-47Al-2Cr-2Nb-0.8B合金组织的影响[J]. 金属学报, 2010, 46(7): 879-884. [7] 吴静 刘新新 顾新福 戴付志 杨海涛 张文征 . 铁基合金中板条马氏体帐篷型表面浮凸位移的定量分析[J]. 金属学报, 2009, 45(12): 1425-1434. [8] 刘仲礼; 李言祥; 陈祥; 胡开华 . 高硼铁基合金在不同铸型中凝固组织与力学性能的影响[J]. 金属学报, 2007, 43(5): 477-481 . [9] 梁益龙;雷旻;钟蜀辉;江山. 板条马氏体钢的断裂韧性与缺口韧性、拉伸塑性的关系[J]. 金属学报, 1998, 34(9): 950-958. [10] 胡坚;林一坚;许嘉龙;张士勋. Nb对液态激冷Fe_(70)Cr_(18)Mo_2B_9Si_1合金组织及性能的影响[J]. 金属学报, 1993, 29(7): 85-88. [11] 罗承萍;许麟康;查健中. 300M超高强度钢板条马氏体的晶体学研究[J]. 金属学报, 1993, 29(7): 28-33. [12] 蒋百灵;雷廷权. 渗硼层生长的控制因素及其动力学过程分析[J]. 金属学报, 1991, 27(1): 11-15. [13] 蒋百灵;雷廷权;刘威;崔约贤. 20钢渗硼过程中硼化物形核和生长的TEM观察及室温形变的影响[J]. 金属学报, 1990, 26(2): 41-45. Viewed Full text Abstract Cited   Shared      Discussed