李瑞,马恒,周相海,钱苗,钱科,王斌,张鹏

• 1:浙江华电器材检测研究所有限公司
• 2:中国科学院金属研究所

摘要(Abstract)：

研究了6.8级螺栓材料在不同恒定平均应力下的高周疲劳行为。结果表明:当外加恒定平均应力为76、229和380 MPa时,6.8级螺栓材料的疲劳强度分别为317、284和265 MPa;疲劳强度随外加恒定平均应力的增大而降低。绝大部分样品的疲劳裂纹萌生于样品表面,在长寿命区内,有少部分样品的疲劳裂纹从样品内部的夹杂物处萌生。

关键词(KeyWords)： 6.8级螺栓材料;恒定平均应力;疲劳强度;高周疲劳行为

Abstract:

Keywords:

基金项目(Foundation):

作者(Author): 李瑞,马恒,周相海,钱苗,钱科,王斌,张鹏

DOI: 10.13289/j.issn.1009-6264.2018-0526

参考文献(References)：

• [1] 郭念,覃伟平,冯衡,等.基于实际风速的输电塔疲劳寿命预测[J].电力勘测设计,2018(7):62-66.GUO Nian,QIN Wei-ping,FENG Heng,et al.Fatigue life prediction of transmission tower based on the actual wind speed[J].Electric Power Survey and Design,2018(7):62-66.
• [2] 赵建平,张姚斌,王春耀.输电塔架联接螺栓横向振动试验研究[J].新疆大学学报:自然科学版,2018,35(2):243-247.ZHAO Jian-ping,ZHANG Yao-bin,WANG Chun-yao.Experimental study on lateral vibration of transmissiontowers using bolt[J].Journal of Xinjiang University:Natural Science Edition,2018,35(2):243-247.
• [3] 闫琳,任娜,康建伟,等.浅析预紧力对螺栓强度的影响[J].汽车实用技术,2018(17):98-99.YAN Lin,REN Na,KANG Jian-wei,et al.Finite analysis of pre-tension force′ effects on bolt strength[J].Automobile Applied Technology,2018(17):98-99.
• [4] 郭卫凡,唐文良.螺栓联接的预紧力与疲劳强度的讨论[J].科技视界,2013(23):65-66.GUO Wei-fan,TANG Wen-liang.A discussion of effect of preload on bolt joint fatigue strength[J].Science and Technology Vision,2013(23):65-66.
• [5] 王晓梅.GB/T 699—2015《优质碳素结构钢》标准解析[J].模具技术,2017(3):44-47.WANG Xiao-mei.Analysis of GB/T 699—2015《Quality carbon structure steels》standard[J].Die and Mould Technology,2017(3):44-47.
• [6] 中华人民共和国国家质量监督检验检疫总局.GB/T 6478—2015,冷镦和冷挤压用钢[S].北京:中国标准出版社,2015.General Administration of Quality Supervision,Inspection and Quarantine of the People’s Republic of China.GB/T 6478—2015,steels for cold heading and cold extruding[S].Beijing:Standards Press of China,2015.
• [7] Wang B,Zhang Z J,Shao C W,et al.Improving the high-cycle fatigue lives of Fe-30Mn-0.9C twinning-induced plasticity steel through pre-straining[J].Metallurgical and Materials Transactions A,2015,46:3317-3323.
• [8] Mughrabi H.Cyclic slip irreversibility and fatigue life:A microstructure-based analysis[J].Acta Materialia,2013,61(4):1197-1203.
• [9] Li P,Li S X,Wang Z G,et al.Fundamental factors on formation mechanism of dislocation arrangements in cyclically deformed fcc single crystals[J].Progress in Materials Science,2011,56(3):328-377.
• [10] Pang J C,Li S X,Wang Z G,et al.General relation between tensile strength and fatigue strength of metallic materials[J].Materials Science and Engineering A,2013,564:331-341.
• [11] 庞建超.高强度金属材料的疲劳与断裂研究[D].沈阳:中国科学院金属研究所,2012.PANG Jian-chao.Investigation on fatigue and fracture of high-strength metallic materials[D].Shenyang:Institute of Metal Research,Chinese Academy of Sciences,2012.
• [12] Wang B,Zhang P,Duan Q Q,et al.High-cycle fatigue properties and damage mechanisms of pre-strained Fe-30Mn-0.9C twinning-induced plasticity steel[J].Materials Science and Engineering A,2017,679:258-271.
• [13] Wang B,Zhang P,Duan Q Q,et al.Optimizing the fatigue strength of 18Ni maraging steel through ageing treatment[J].Materials Science and Engineering A,2017,707:674-688.
• [14] Frorrest P G.Fatigue of Metals[M].Oxford:Pergamon Press,1962.
• [15] 束德林.工程材料力学性能[M].北京:机械工业出版社,2007.
• [16] Wang W,Yan W,Duan Q Q,et al.Study on fatigue property of a new 2.8 GPa grade maraging steel[J].Materials Science and Engineering A,2010,527:3057-3063.
• [17] Murakami Y,Usuki H.Quantitative evaluation of effects of non-metallic inclusions on fatigue strength of high strength steels.II:Fatigue limit evaluation based on statistics for extreme values of inclusion size[J].International Journal of Fatigue,1989,11(5):299-307.
• [18] 李守新,翁宇庆,惠卫军,等.高强度钢超高周疲劳性能—非金属夹杂物的影响[M].北京:冶金工业出版社,2010.

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