夹杂物几何特征对拉伸过程中X80管线钢中裂纹萌生及扩展的影响
Effect of Geometrical Characteristics of Inclusions on Initiation and Propagation of Cracks in X80 Pipeline Steel during Tensile Test
摘 要
采用扫描电镜原位观察的方法, 研究了在拉伸过程中X80管线钢中夹杂物的尺寸、形态对裂纹萌生与扩展的影响。结果表明: 在拉伸过程中, 夹杂物尺寸越大, 夹杂物内萌生的裂纹数量越多, 第1条裂纹萌生时的应力越小; 夹杂物的形态和尺寸决定第1条裂纹的萌生位置; 夹杂物的尺寸、形态对X80管线钢的拉伸强度无显著影响。
夹杂物
原位观察
裂纹萌生和扩展
X80 pipeline steel
inclusion
in-situ observation
crack initiation and propagation
Abstract
The effect of size and shape of inclusions in X80 pipeline steel on crack initiation and propagation during tensile test was studied by scanning electron microscopy in-situ observation. The results show that the larger the size of an inclusion, the more the number of cracks initiated in the inclusion, and the lower the stress of the first crack initiation. The shape and size of inclusions determined the location of the first crack initiation, and the size and shape of inclusions had not remarkable effect on the tensile strength of X80 pipeline steel.
中图分类号 TG113.2 TG115.5
所属栏目 试验研究
基金项目 中国石油天然气集团公司应用基础研究项目(2008A-3005)
收稿日期 2011/5/15
修改稿日期 2011/12/23
网络出版日期
作者单位点击查看
备注仝珂(1983-), 男, 陕西渭南人, 工程师, 硕士。
引用该论文: TONG Ke,HE Xiao-dong,WEI Zun-yi,ZHU Li-xia,FENG Yao-rong,LIU Qiang. Effect of Geometrical Characteristics of Inclusions on Initiation and Propagation of Cracks in X80 Pipeline Steel during Tensile Test[J]. Materials for mechancial engineering, 2012, 36(5): 22～25
仝珂,何小东,卫尊义,朱丽霞,冯耀荣,刘强. 夹杂物几何特征对拉伸过程中X80管线钢中裂纹萌生及扩展的影响[J]. 机械工程材料, 2012, 36(5): 22～25
被引情况:
【1】吴海利,安春香,王朋,丁玉明,王德强, "2.25CrMoV钢于夹杂物和晶界处开裂低周疲劳裂纹扩展的原位观测",机械工程材料 40, 15-18(2016)
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参考文献
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【2】仝珂, 庄传晶, 刘强, 等.高钢级管线钢中M/A岛的微观特征及其对力学性能的影响[J].机械工程材料, 2011, 35(2): 4-7.
【3】高惠林, 辛希贤.论管线钢韧性的控制因素[J].焊管, 1995, 18(5): 7-11.
【4】HUANG F, LIU J, CHENG Z J, et al. Effect of microstructure and inclusions on hydrogen induced cracking susceptibility and hydrogen trapping efficiency of X120 pipeline steel[J].Materials Science and Engineering A, 2010, 527: 6997-7001.
【5】CARNEIRO R A, RATNAPULI R C, LINS V C. The influence of chemical composition and microstructure of API linepipe steels on hydrogen induced cracking and sulfide stress corrosion cracking[J].Materials Science and Engineering A, 2003, 357: 104-110.
【6】LOPEZ H F, RAGHUNATH R, ALBARRAN J L, et al. Microstructural aspects of sulfide stress cracking in an API X80 pipeline steel[J].Metallurgical and Materials Transactions A, 1996, 27: 3601-3611.
【7】黄一新, 尹雨群, 李晶, 等.X70管线钢中夹杂物控制试验研究[J].南钢科技与管理, 2007(3): 8-10.
【8】熊庆人, 冯耀荣, 霍春勇, 等.X70管线钢断口分离现象分析研究[J].焊管, 1995, 18(5): 7-11.
【9】API Spec 5L-2009 Petroleum and natural gas industries-steel pepe for pipeline transportation systems[S].
【10】ZENG Yan-ping, FAN Hong-mei, WANG Xi-shu, et al. Study on micro-mechanism of crack initiation and propagation induced by inclusion in ultra-high strength steel[J].Key Engineering Materials, 2007, 353/358: 1185-1190.
【11】王习术, 梁锋, 曾燕屏, 等.夹杂物对超高强度钢低周疲劳裂纹萌生及扩展影响的原位观测[J].金属学报, 2005, 41(12): 1272-1276.
【12】曾燕屏, 张麦仓, 董建新, 等.镍基粉末合金中夹杂物导致裂纹萌生及扩展行为[J].材料工程, 2005(3): 10-13.
【13】仝珂, 庄传晶, 朱丽霞, 等.高钢级管线钢微观组织特征与强韧性能关系的研究及展望[J].材料导报, 2010, 24(2): 98-101.
【2】仝珂, 庄传晶, 刘强, 等.高钢级管线钢中M/A岛的微观特征及其对力学性能的影响[J].机械工程材料, 2011, 35(2): 4-7.
【3】高惠林, 辛希贤.论管线钢韧性的控制因素[J].焊管, 1995, 18(5): 7-11.
【4】HUANG F, LIU J, CHENG Z J, et al. Effect of microstructure and inclusions on hydrogen induced cracking susceptibility and hydrogen trapping efficiency of X120 pipeline steel[J].Materials Science and Engineering A, 2010, 527: 6997-7001.
【5】CARNEIRO R A, RATNAPULI R C, LINS V C. The influence of chemical composition and microstructure of API linepipe steels on hydrogen induced cracking and sulfide stress corrosion cracking[J].Materials Science and Engineering A, 2003, 357: 104-110.
【6】LOPEZ H F, RAGHUNATH R, ALBARRAN J L, et al. Microstructural aspects of sulfide stress cracking in an API X80 pipeline steel[J].Metallurgical and Materials Transactions A, 1996, 27: 3601-3611.
【7】黄一新, 尹雨群, 李晶, 等.X70管线钢中夹杂物控制试验研究[J].南钢科技与管理, 2007(3): 8-10.
【8】熊庆人, 冯耀荣, 霍春勇, 等.X70管线钢断口分离现象分析研究[J].焊管, 1995, 18(5): 7-11.
【9】API Spec 5L-2009 Petroleum and natural gas industries-steel pepe for pipeline transportation systems[S].
【10】ZENG Yan-ping, FAN Hong-mei, WANG Xi-shu, et al. Study on micro-mechanism of crack initiation and propagation induced by inclusion in ultra-high strength steel[J].Key Engineering Materials, 2007, 353/358: 1185-1190.
【11】王习术, 梁锋, 曾燕屏, 等.夹杂物对超高强度钢低周疲劳裂纹萌生及扩展影响的原位观测[J].金属学报, 2005, 41(12): 1272-1276.
【12】曾燕屏, 张麦仓, 董建新, 等.镍基粉末合金中夹杂物导致裂纹萌生及扩展行为[J].材料工程, 2005(3): 10-13.
【13】仝珂, 庄传晶, 朱丽霞, 等.高钢级管线钢微观组织特征与强韧性能关系的研究及展望[J].材料导报, 2010, 24(2): 98-101.
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