Low-cycle fatigue property of forged mod.9Cr-1Mo steel at elevated temperature

被引：0
|
作者：
Nishino, S [1 ]
Shiozawa, K [1 ]
Takahashi, K [1 ]
Seo, S [1 ]
Yamamoto, Y [1 ]
机构：
[1] Toyama Univ, Fac Engn, Toyama 930, Japan
来源：
FATIGUE '99: PROCEEDINGS OF THE SEVENTH INTERNATIONAL FATIGUE CONGRESS, VOLS 1-4 | 1999年
关键词：
D O I：
暂无
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
In this study, the low-cycle fatigue property of forged modified 9Cr-1Mo steel was investigated at elevated temperature. Total strain controlled low-cycle fatigue tests were carried out using a smooth specimen with triangular and tension-hold or compression-hold trapezoidal waveforms at 873K in air. From the experimental results, the low-cycle fatigue life decreased by introducing a hold period as compared with that using a triangular waveform. The fatigue life of the compression-hold tests decreased as compared with that of the tension-hold tests. The low-cycle fatigue life of forged mod.9Cr-1Mo steel with each strain waveform can be evaluated by the parameter of the tensile strain-energy and cycling time.
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页码：2177 / 2182
页数：6
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