The factor of life scatter is used for depicting the dispersibility of fatigue strength in low cycle fatigue, but in high cycle fatigue is the fatigue strength reduction factor.
低周疲劳常采用寿命分散系数描述结构疲劳强度的固有分散性，而高周疲劳采用疲劳强度减缩系数来描述。
The thermal fatigue resistance mainly depends on the high temperature yield strength and will become maximum, if the strength, plasticity and cycle thermal stability are in an adequate combination.
热疲劳抗力主要取决于材料的高温屈服强度，在强度、塑性及循环热稳定性取得适当配合时最大。
The accession of vanadium has shown a great effect on improvement of coordination between strength and ductility, sensitivity to strain aging and high strain and low cycle fatigue property.
微合金元素钒的加入有利于钢筋强度与塑性综合提高，降低钢筋应变时效敏感性，提高钢筋高应变低周疲劳性能。
It has been shown that the high cycle and the low cycle fatigue strength can be obviously improved by shot peening.
结果指出，喷丸引起表面形变层内的上述变化，能够有效地提高粉末合金高温下的高周和低周疲劳性能。
It has been shown that the high cycle and the low cycle fatigue strength can be obviously improved by shot peening.
结果指出，喷丸引起表面形变层内的上述变化，能够有效地提高粉末合金高温下的高周和低周疲劳性能。
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