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。
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。
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