1) low lifetime region
低寿命区
2) least life
最低寿命
3) reduced life
降低寿命
4) long life range
长寿命区
1.
According to the relative experimental data of welded structures in the long life range under a variety of random loading spectrums, the law of fatigue cumulation damage for the welded structures in the long life range under variable amplitude loading is analysed by the statistical method.
根据焊接结构在各种随机谱载荷下长寿命区疲劳试验的有关资料，对变幅载荷下焊接结构在长寿命区疲劳累积损伤的分布规律进行了统计分析，根据长寿命区疲劳寿命高度离散性的特点，提出了一种变标准差的概率设计模
5) low frequency long life
低频长寿命
6) low cycle fatigue life
低周疲劳寿命
1.
Evaluation of the low cycle fatigue life of 2(1/4)Cr-1Mo steel under complicated stress state;
2(1/4)Cr-1Mo钢复杂应力状态低周疲劳寿命评估
2.
By means of low cycle-fatigue test controlled by constant strain amplitude(△_ε),the relation among cycle stress amplitude(△_σ),maximum stress (σ_(max))and cycle number(N) of a low carbon low alloy ultra-high strength steel wire was determined and a high carbon Patenting steel wire was adopted as reference, The effect of warm deformation treatment on low cycle fatigue life was also studied.
结果得出，低碳低合金钢丝比高碳Ｐａｔｅｎｔｉｎｇ钢丝具有高的低周疲劳抗力，温形变处理又可提高低周疲劳寿命３０％～３５％。
3.
The effect of warm deformationtreatment on the low cycle fatigue life of these steel wires were studied.
研究了温形变处理对钢丝低周疲劳寿命的影响。
补充资料：低都儿低
1.低而又低，很低。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条