1) 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。
2) low-cycle fatigue life
低周疲劳寿命
1.
In present paper, a simplified approach is developed based on fracture mechanics for the low-cycle fatigue life of submarine pressure hulls.
本文基于断裂力学建立了潜艇结构低周疲劳寿命的工程估算方法 ,理论计算与模型试验结果比较表明 :该方法是合理可靠的 ,可用于潜艇结构低周疲劳寿命评
2.
And it will also induce secondary internal forces to joints and decrease low-cycle fatigue life of bracing member, so it is great significance and engineering benefit to do some research on the behavior of brace-frame joints with gusset plate connection.
在传统的支撑连接节点中支撑两端和框架刚性连接,不仅制作复杂、造价高、焊接质量不易保证,而且在节点处会产生较大的次弯矩,降低支撑的低周疲劳寿命。
3) LCF life
低周疲劳寿命
1.
A new method for reliability analysis of discs′ LCF life is presented.
从Manson-Cofin公式出发,建立了新的低周疲劳寿命失效临界函数及其对随机变量的导数公式,并结合概率有限元法求得轮盘低周疲劳寿命的可靠度,从而解决了采用Landgraf寿命公式的不足。
4) low-cycle and high-cycle fatigue life
低周和高周疲劳寿命
1.
In this article,by using the modified local stress-strain method,the low-cycle and high-cycle fatigue life of the905mm blades were analyzed and evaluated with various factors taken into consideration such as unit s start-up and stop cycling,vibration stress,corrosion e.
采用改进的局部应力应变法,考虑机组启停循环、振动应力、腐蚀环境、叶片表面加工、缺口应力集中等因素,对905mm叶片的低周和高周疲劳寿命进行计算分析与评价。
5) high-cycling fatigue life
高周疲劳寿命
1.
The prediction of fatigue life,especially high-cycling fatigue life,of a solder joint is one of the most difficult problems in electronic industry.
最后,提出了简便预测这类结构的高周疲劳寿命方法,且预测结果与试验结果吻合较好。
6) low cycle fatigue life
低循环疲劳寿命
1.
Elastoplastic finite element analysis and low cycle fatigue life prediction of an engine combustor case were completed.
对某发动机燃烧室外套进行了弹塑性有限元分析和低循环疲劳寿命预测。
2.
Accounting for creep and stress relaxations long-term life and low cycle fatigue life prediction method for gas turbine engine hot section is established.
建立了考虑蠕变和应力松弛的航空发动机涡轮叶片等高温构件的持久寿命和低循环疲劳寿命预测方法。
3.
On the basis of before-mentioned circs,the factors affecting the component low cycle fatigue life were investigated.
以某型发动机一级压气机轮盘为对象,应用该方法进行了关键部位榫槽的模拟件设计和低循环疲劳寿命考核试验。
补充资料:疲劳寿命
分子式:
分子量:
CAS号:
性质:见疲劳性。
分子量:
CAS号:
性质:见疲劳性。
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