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1)  electrical prestressing
电预加应力
2)  prestressing
预应力;预加应力
3)  electric pre-stress
预电应力
1.
The effect of the electric pre-stress treatment on fissure of epoxy polymer is studied by the needle-flat electrode system.
研究了针-板电极系统下预电应力对环氧树脂固化的影响,发现在环氧树脂固化过程中施加负针-正板直流预电应力可减少由于内部应力而产生的浇注件开裂现象,从而提高了浇注件的局部放电起始电压,但交流预电应力和正针-负板预电应力浇注件的开裂尚未发现有改善作用,并讨论了产生上述现象的机理。
2.
This pre-treatment of dielectric in electric field is named after the electric pre-stress treatment.
我们将介电材料的这种电场预处理称之为预电应力处理,而将介电材料经预电应力处理后性能上发生的变化称为预电应力效应。
4)  pre-stressed machining
预应力加工
1.
A theoretical method to analyse the residual stress in machined surfacewhen pre-stressed machining is presented.
利用热弹塑性力学理论和有限元方法,从理论上计算已加工表面残余应力,讨论预应力加工条件对加工表面残余应力的影响,从而为表面残余应力的控制提供了理论依据。
5)  pre-compressive stress
预加压应力
1.
The effects of microamount additions of RE(Tb, Sm) on the martensitic transition and the magnetic-field-induced strains of highly textured polycrystalline Ni-Mn-Ga alloys were investigated,and the effects of pre-compressive stress on the magnetic-field-induced strains of the alloys were studied especially.
研究了稀土元素Tb和Sm对Ni-Mn-Ga磁性形状记忆合金的马氏体相变及磁致应变的影响,并着重研究了预加压应力对合金磁致应变的影响作用。
6)  prestressing effect
预加力效应
1.
It is necessary to research deeply many factors in the application of prestressed composite structures The paper analyses the prestressing effect on prestressed composite structures ,and discusses some critical technologies.
预应力组合结构应用中存在很多需要深入研究的问题 ,本文分析了预应力组合结构的预加力效应 ,并探讨了预应力组合结构的若干关键技
补充资料:预应力
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性质:试验中试样所受到的预加的恒定静态应力,单位为Pa。在生热性疲劳试验中,如固特里奇屈挠试验中,一般都施加一恒定预应力,使试样产生一静态变形,再叠加一周期压缩变形进行试验,通常预应力的大小会影响试样的疲劳寿命,预应力越大,则试样寿命会越明显缩短。也有的先施加一静态压缩变形,再叠加周期性剪切变形进行试验。

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