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
Influences of Vanadium and Copper on Microstructure and High-Temperature Mechanical Properties of 11Cr-2W Low Activation Martensite Steel
摘 要
研究了钒含量和0.22%铜对11Cr-2W低活化马氏体钢组织以及650 ℃下拉伸、蠕变性能的影响。结果表明:钒含量和0.22%的铜对钢的组织和M23C6相的尺寸没有明显影响,当钒的质量分数为0.105%时,基体中弥散分布的MX相最多且最为细小;当钒的质量分数从0.105%增加到0.203%时,试验钢的抗拉强度从325.2 MPa降低为289.4 MPa,蠕变寿命从370 h缩至251 h;添加0.22%的铜可以提高试验钢的蠕变寿命。
组织
高温力学性能
拉伸性能
蠕变性能
low activation martensite steel
microstructure
high-temperature mechanical property
tensile property
creep property
Abstract
The influences of vanadium contents and 0.22wt.%Cu on microstructure and tensile and creep properties at 650 ℃ of an 11Cr-2W low activation martensite steel were studied. The results show that vanadium contents and 0.22wt.%Cu had obvious effects on microstructure and the size of M23C6 phase. When the mass fraction of vanadium was 0.105%,MX phase diffusely distributed in the matrix,and now the phase owned the largest number and smallest size. The tensile strength of the tested steel increased from 325.2 MPa to 289.4 MPa,and the creep-rupture life decreased from 370 h to 251 h when the mass fraction of vanadium increased from 0.105wt.% to 0.203wt.%. The creep-rupture life of the tested steel could be increased by adding 0.22wt.%Cu.
中图分类号 TG113
所属栏目 试验研究
基金项目 国家自然科学基金资助项目(51034011)
收稿日期 2014/1/16
修改稿日期 2014/9/2
网络出版日期
作者单位点击查看
备注杨世能(1988-),男,四川成都人,硕士研究生。
引用该论文: YANG Shi-neng,LI Sheng-zhi,SUN Feng,SHAN Ai-dang. Influences of Vanadium and Copper on Microstructure and High-Temperature Mechanical Properties of 11Cr-2W Low Activation Martensite Steel[J]. Materials for mechancial engineering, 2015, 39(1): 9～13
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[J]. 机械工程材料, 2015, 39(1): 9～13
被引情况:
【1】崔君军,陈礼清, "钒对合金化贝氏体球墨铸铁显微组织和性能的影响",机械工程材料 40, 60-64(2016)
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参考文献
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【16】SYARIF J,NAKASHIMA K,TSUCHIYAMA T,et al. Effect of solute copper on yield strength in dislocation strengthened steels［J］.ISIJ International,2007,47(2):340-345.
【2】SAROJA S,DASGUPTA A,DIVAKAR R,et al. Development and characterization of advanced 9Cr ferritic martensitic steels for fission and fusion reactors［J］.Journal of Nuclear Materials,2011,409:131-139.
【3】GELLES D S. Development of martensitic steels for high neutron damage applications［J］.Journal of Nuclear Materials,1996,239:99-106.
【4】VICTORIA M,GAVILLET D,SPATIG P,et al. Microstructure and mechanical properties of newly developed low activation martensitic steels［J］.Journal of Nuclear Materials,1996,233/237:326-330.
【5】HATTESTRAND M,ANDREN H O. Microstructural development during ageing of an 11% chromium steel alloyed with copper［J］.Materials Science and Engineering,2001,318:94-101.
【6】MASUYAMA F,MATSUI M,KOMAI N. Creep rupture behavior of advanced 9-12%Cr steel weldment［J］.Key Engineering Materials,2000,171/174:99-108.
【7】KIMURA M,YAMAGUCHI K,HAYAKAWA M,et al. Microstructures of creep fatigued 9-12% Cr ferritic heat resisting steels［J］.International Journal of Fatigue,2006,28:300-308.
【8】MASUYAMA F,KOMAI N. Evaluation of long term creep rupture strength of tungsten strengthened advanced 9-12%Cr steel［J］.Key Engineering Materials,2000,171/174:179-188.
【9】FAULKNER RG,WILLIAMS JA,GONZALEZ S E,et al. Influence of Co,Cu and W on microstructure of 9%Cr steel weld metals［J］.Materials Science and Technology,2003,19:347-354.
【10】REYES F,CALVO J,CABRERA J M,et al. Effect of V on hot deformation characteristics of TWIP steels［J］.Steel Research International,2012,83(4):334-339.
【11】杨自新,陈景毅,赵登志. V的添加量对9Cr-1Mo-V-Nb-N钢蠕变断裂强度的影响［J］.锅炉制造,1997(1):74-80.
【12】MATS H,HANS O A. Microstructural development during ageing of an 11% chromium steel alloyed with copper［J］.Materials Science and Engineering,2001,318:94-101.
【13】CHI Cheng-yu,YU Hong-yao,DONG Jian-xin,et al. The precipitation strengthening behavior of Cu-rich phase in Nb contained advanced Fe-Cr-Ni type austenitic heat resistant steel for USC power plant application［J］.Progress in Natural Science:Materials International,2012,22:175-185.
【14】TANEIKE M,SAWADA K,ABE F. Effect of carbon concentration on precipitation behavior of M23C6 carbides and MX carbonitrides in martensitic 9Cr steel during heat treatment［J］.Metallurgical and Materials Transactions,2004,35:1255-1262.
【15】FAULKNER R G,WILLIAMS J A,GONZALEZ S E,et al. Influence of Co,Cu and W on microstructure of 9%Cr steel weld metals［J］.Materials Science and Technology,2003,19:344-347.
【16】SYARIF J,NAKASHIMA K,TSUCHIYAMA T,et al. Effect of solute copper on yield strength in dislocation strengthened steels［J］.ISIJ International,2007,47(2):340-345.
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