1) stress's amplitude
荷载幅值
1.
The author investigates the effect of mean stress and stress's amplitude with the non symmetry low cycle fatigue (LCF) experiment of two kinds of PD3 rail steel (hot rolling and off line heat treatment) produced by PanZhiHua steel company.
通过对攀钢生产的两种PD3钢轨钢 (热轧和离线全长热处理 )的非对称低周载荷疲劳实验 ,比较了平均应力和荷载幅值对两种PD3钢轨钢寿命的影响。
2) variable amplitude loading
变幅载荷
1.
In the present study, the fatigue tests under tension-tension variable amplitude loading (VAL) are carried out on 45 carbon steel, which is similar to the AISI 1045 steel, to investigate the probability distribution of fatigue life under VAL and investigate the validity of a new simulation model proposed in the paper for the fatigue test and the probability distribution of fatigue life under VAL.
根据 45钢切口件疲劳寿命表达式中疲劳抗力系数和疲劳门槛值物理意义及概率分布 ,提出了一种新的模拟 45钢切口件变幅载荷下疲劳寿命实验及其分布的方法 ,并与拉 -拉变幅载荷下的实验结果进行了比较。
2.
The fatigue life with given survivability under variable amplitude loading is predicted,and checked by simulating test using Monte Carlo method.
预测了变幅载荷下给定存活率的疲劳寿命,并用蒙特卡洛法模拟变幅载荷下疲劳试验进行了验证。
3) constant amplitude loading
恒幅载荷
1.
By using constant amplitude loading and highlow cycle complex loading, contrast test research for crack growth rate was conducted for ductile cast Iron.
分别在恒幅载荷和高低周复合载荷作用下,对球墨铸铁进行了疲劳裂纹扩展速率的对比试验研究,并对试验结果进行了统计分析,得出了a-N和P-da/dN-ΔK曲线。
4) small load
小幅载荷
1.
The effect of small loads superposed upon principal cyclic load ?P on the fatigue crack growth rate da/dN has been studied for A537 steel in 3.
5%NaCl水溶液中,阳极溶解条件下以不同方式叠加在主载荷ΔP上的小幅载荷对疲劳裂纹扩展da/dN~ΔK曲线的影响,并与空气中的结果进行比较,讨论了阳极溶解影响小幅载荷行为的机理。
2.
The influence of small loads superposed upon principal cyclic load △P on the fatigue crack growth rate da/ dN has been studied for the single edge notched plate specimens of A537 steel, and the crack closure behaviour has been investgated by measurement of crack opening displacement with speckle interferometry(SPI) technique.
采用A537钢单边缺口试样,研究了以不同方式叠加在主载荷△P上的小幅载荷在疲劳裂纹扩展过程中的作用,并采用激光散斑技术测量了循环加载过程中的裂纹闭合效应。
6) the amplititude of load
荷载幅
补充资料:幅值裕度
分子式:
CAS号:
性质:相角交界频率ωL(即开环频率特性相角ψ(ωL)=-180°时的频率)上。开环频率特性幅值。
CAS号:
性质:相角交界频率ωL(即开环频率特性相角ψ(ωL)=-180°时的频率)上。开环频率特性幅值。
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