Fatigue Properties Improvement of Notched Structural Steel Sheets

摘要:

文章预览

Nearly 90% of failures of machines and mechanical parts are caused at the area of stress concentrated in the structural components. Hence, it is important to investigate the method of improving fatigue strength for notched parts. In this paper, the fatigue tests have been performed to investigate the effect of the plastic-working on fatigue strength of specimens with notch. The main results obtained in this study are as follows: (1) The fatigue limit of notched specimen chamfered by the plastic-working increases by 45% than that of specimen without chamfer. (2) The reason of enhancing the fatigue strength may be to attributed to the work-hardening and compressive residual stress which suppress the fatigue crack initiation and propagation in early stage.

信息:

期刊:

编辑:

H.S. Lee, I.S. Yoon and M.H. Aliabadi

页数:

553-556

DOI:

10.4028/www.scientific.net/KEM.385-387.553

引用:

N. Hattori et al., "Fatigue Properties Improvement of Notched Structural Steel Sheets", Key Engineering Materials, Vols. 385-387, pp. 553-556, 2008

上线时间:

July 2008

输出:

价格:

$38.00

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