1) prestressing
预应力;预加应力
2) 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。
3) 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。
4) 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
6) additional prestressed
外加预应力
1.
On the basis of test bridges externally prestressed strengthening applications of bridge engineering are introduced, Research results and problems that are hurried to be settled are discussed in felting prestressed researching field,Special characters of additional prestressed strengthening technology are summarized.
外加预应力加固技术正越来越被桥梁工程界所关注。
补充资料：预应力
分子式：
CAS号：
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。
CAS号：
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。
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