Evaluation of Maximum Inclusion Size and Fatigue Limit for High Strength Steel in Rotating Rending

被引：0
|
作者：
Wang, Ping [1 ]
Li, Wei [2 ]
Wang, Dongming [1 ]
机构：
[1] Shandong Acad Sci, Inst Oceanog Instrumentat, Shandong Prov Key Lab Ocean Environm Monitoring T, Qingdao 266001, Peoples R China
[2] Beijing Inst Technol, Sch Mech & Vehicular Engn, Beijing 100081, Peoples R China
来源：
ADVANCED COMPOSITE MATERIALS, PTS 1-3 | 2012年 / 482-484卷
关键词：
Rotating bending; Very high cycle fatigue; Maximum inclusion size; Fatigue limit;
D O I：
10.4028/www.scientific.net/AMR.482-484.1622
中图分类号：
TB33 [复合材料];
学科分类号：
摘要：
Based on the observation of fracture surfaces for a low-alloy high strength steel under rotating bending in very high cycle regime, a newly defined method about inspection plane under rotating bending was developed in this paper. By using the statistics of extreme values (SEV) method, the maximum sizes of inclusion and FGA corresponding to the control volume of specimen are evaluated to be about 41.38 mu m and 58.51 mu m on the basis of this newly defined inspection plane, and the corresponding values of fatigue limit are evaluated to be 690 MPa and 654 MPa, respectively. It should be noted that fatigue design based on former involves a certain amount of risk in very high cycle regime.
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页码：1622 / +
页数：2
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