1) stress uniformity
应力均匀性
1.
Analysis on stress uniformity of viscoelastic materials in split Hopkinson bar tests;
SHPB试验中粘弹性材料的应力均匀性分析
2.
Axial stress uniformity in specimens of SHPB tests;
SHPB试验中试件的轴向应力均匀性
3.
According to the model of the pulse load produced by split Hopkinson pressure bar(SHPB) mechanism,the stress-strain curves were obtained by using ANSYS/LSDYNA finite element method,and the effect of the friction of the interface between the pressure bar and specimen and slenderness ratio of specimen on stress uniformity in specimen were discussed.
根据Hopkinson压杆试验装置产生压缩加载脉冲的力学模型,利用ANSYS/LSDYNA有限元显示动力学程序计算得到了试件在加载过程中的应力-应变曲线,并且和输入材料曲线做了比较,讨论了试件的长径比及试件与压杆之间的界面摩擦力对试件内部应力均匀性和对试件材料动态屈服应力的影响。
2) stress(strain) uniformity
应力(应变)均匀性
3) Unevenness
[英]['ʌn'i:vənnis] [美][ʌn'ivənnɪs]
应力不均匀性
5) stress equilibrium
应力均匀
1.
It is vital to obtain dynamic stress equilibrium and a nearly constant strain rate over most of the test duration.
大直径分离式霍普金森压杆(SHPB)试验装置被越来越多地应用于混凝土等脆性材料的高应变率力学性能研究,试件在破坏前,满足应力均匀分布要求,且保持恒应变率加载,是保证SHPB试验有效性及试验结果可靠性的关键。
2.
The contratest results shows that for the brittle and low mechanical impedance materials,conventional SHPB experiment does not meet the precondition that the samples loaded dynamically with a SHPB apparatusshould be in dynamic stress equilibrium over the test duration, therefore, the experiment is invalid.
实验采用了两种不同的加载技术及应变监测方法,结果表明:采用传统SHPB技术无法有效测量炸药类脆性材料的动态变形行为;通过采用波形整形技术控制加载波形,可以使试样在变形过程中较好地满足应力均匀性条件并改善应变率恒定性状况;通过采用在试样上直接贴片监测应变的方法,可以较准确的测得试样的应变。
3.
An improved method for obtaining dynamic stress equilibrium and nearly constant strain rate loading was proposed,containing pulse shaper design,nearly constant strain rate estimation,the optimum average strain rate determination and dynamic stress equilibrium analysis.
采用直径100 mm分离式霍普金森压杆(SHPB)试验装置,以碳纤维混凝土(CFRC)的SHPB试验为例,就试验过程中的波形整形技术展开研究,内容包括:波形整形器的设计、近似恒应变率的估算、最佳近似恒应变率的确定以及应力均匀性分析。
6) stress nonhomogeneity
应力不均匀
1.
In this paper,the character of stress nonhomogeneity,which appears as rainbow stains(termed stress stains)in the sun,in windcooling physically tempered glass has been studied with the heat transfer theory.
从传热学角度研究了风冷介质下淬火玻璃应力不均匀性（在光照条件下呈现应力彩虹斑，简称应力斑）的特征，分析了影响风冷介质下淬火玻璃应力斑强度的各种内外因素，提出了减轻乃至消除风冷介质下淬火玻璃应力斑的有效途径和具体措施。
补充资料：轧辊残余应力(见轧辊应力)
轧辊残余应力(见轧辊应力)
residual stresses in roll
zhagun eanyu yingli轧辊残余应力(residual stresses in roll)见礼辐应力。
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