钽添加量对氧化物弥散强化低活化铁素体马氏体钢组织和力学性能的影响
Effects of Ta Adding Contents on Microstructure and Mechanical Properties of 9Cr-ODS RAFM Steel
摘 要
采用粉末冶金法制备了不同钽添加量的氧化物弥散强化低活化铁素体马氏体钢, 研究了钽添加量对该钢组织与力学性能的影响。结果表明: 该钢的力学性能随着钽添加量的增多先升高后下降; 当钽的添加量为0.18%时, 晶粒细小均匀, 在晶粒内有大量二次细小的TaC粒子弥散均匀析出, 合金的力学性能最优, 室温抗拉强度和伸长率分别为632 MPa和24.2%, 300 ℃下的抗拉强度和伸长率分别为557 MPa和23.1%。
钽
组织
力学性能
oxide dispersion strengthen reduced activation ferritic/martensitic steel
tantalum
microstructure
mechanical property
Abstract
9Cr-ODS/RAFM steels (oxide dispersion strengthen reduced activation ferritic/martensitic steel) were prepared by powder metallurgy method, and the effects of Ta adding contents on microstructure and mechanical properties of the steel were studied. The results show that the mechanical properties of the steel increased at first and then decreased with the increase of Ta adding content. When Ta adding content was 0.18wt%, the grains were fine and uniform, and a large amount of secondary precipitations of fine TaC particles distributed in grains homogeneously, and the steel exhibited optimal mechanical properties, the tensile strength and the elongation were 632 MPa and 24.2% at room temperature, and were 557 MPa and 23.1% at 300 ℃, respectively.
中图分类号 TG142.1
所属栏目 新材料新工艺
基金项目 国家重点基础研究发展计划项目(2010GB10900)
收稿日期 2012/10/19
修改稿日期 2013/8/21
网络出版日期
作者单位点击查看
备注蒋有芳(1986-), 女, 重庆人, 硕士研究生。
引用该论文: JIANG You-fang,XIONG Wei-hao,YAO Zhen-hua,LI Ying-bo. Effects of Ta Adding Contents on Microstructure and Mechanical Properties of 9Cr-ODS RAFM Steel[J]. Materials for mechancial engineering, 2013, 37(11): 96～100
蒋有芳,熊惟皓,姚振华,李映波. 钽添加量对氧化物弥散强化低活化铁素体马氏体钢组织和力学性能的影响[J]. 机械工程材料, 2013, 37(11): 96～100
被引情况:
【1】杨世能,李生志,孙锋,单爱党, "钒和铜对11Cr-2W低活化马氏体钢组织和高温力学性能的影响",机械工程材料 39, 9-13(2015)
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【3】EISELT C C, KLIMENKOV M, LINDAU R, et al. Characterization of microstructural and mechanical properties of a reduced activation ferritic oxide dispersion strengthened steel[J].Journal of Nuclear Materials, 2011, 416: 30-34.
【4】KLUEH R L, GELLES D S. Ferritic/martensitic steels-overview of recent results[J].J Nucl Mater, 2002, 307/311: 455-465.
【5】黄群英, 李春京, 李艳芬, 等. 中国低活化马氏体钢 CLAM研究进展[J].核科学与工程, 2007, 27(1): 41-50.
【6】YU J N, HUANG Q Y, WAN F R. Research and development on the China low activation martensitic steel (CLAM)[J].Journal of Nuclear Materials, 2007, 367/370: 97-101.
【7】NAGASAKAA T, HISHINUMAA Y, MUROGAA T, et al. Extraction residue analysis on F82H-BA07 heat and other reduced activation ferritic/martensitic steels[J].Fusion Engineering and Design, 2011, 86: 2581-2584.
【8】CASTRO V D, LEGUEY T, MUOZ A. Microstructural characterization of Y2O3 ODS-Fe-Cr model alloys[J].Journal of Nuclear Materials, 2009, 386/388: 449-452.
【9】冯开明.可控核聚变与国际热核实验堆(ITER)计划[J].中国核电, 2009, 2(3): 212-219.
【10】张小锋, 刘维良, 郭双全, 等.聚变堆中面向等离子体材料的研究进展[J].科技创新导报, 2010(3): 118-119.
【11】SAKASEGAWA H, TANIGAWA H, KANO S, et al. Precipitation behavior in F82H during heat treatments of blanket fabrication[J].Fusion Engineering and Design, 2011, 86: 2541-2544.
【12】李艳芬, 黄群英, 吴宜灿.CLAM钢冲击和拉伸性能测试与研究[J].原子核物理评论, 2006, 23(2): 151-154.
【13】RAJU S, JEYA G B, KUMAR R A, et al. A study on martensitic phase transformation in 9Cr-1W-0.23V-0.063Ta-0.56Mn-0.09C-0.02N (wt.%) reduced activation steel using differential scanning calorimetry[J].Journal of Nuclear Materials, 2010, 405: 59-69.
【14】冯既, 蒋大鸣, 洪班德.低碳双相钢断口分析[J].机械工程材料, 1992, 16(3): 57-60.
【15】CAHN R W.物理金属学[M].北京: 科学出版社, 1984.
【16】施正, 张弛, 夏志新, 等.低活化钢中MX相析出行为研究[J].原子能科学技术, 2011, 45(2): 200-205.
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