求翻译：喷丸、冷挤压后，金属表面一定深度范围内的材料将被强化，残余应力是材料被强化的表现形式。具有强化材料的构件，其材料是由未强化的材料部分和已经强化的材料部分组合构成的。这种情况下，构件的力学性能将发生改变，目前，人们关注更多的是强化处理对疲劳寿命的影响，也有文献关注残余应力影响其它力学性质。但是，这些文献都没有讨论残余应力下，金属材料的应力应变模型问题。本文拟对喷丸等冷强化处理形成的残余应力影响金属材料的应力应变模型进行探讨。是什么意思？

Shot peening, cold extrusion, the material within a certain depth range of the metal surface will be enhanced, residual stress in the form of the material is enhanced performance. Has to strengthen the components of the material, the material is constituted by the part of non-reinforced materials an

Shot blasting, cold extrusion, metal surface within a certain depth of the material will be strengthened, and residual stress is material is enhanced by the form. The components have a reinforcing material, the material is not enhanced by the material and have been reinforced by some combination of

After spurts the pill, the impact extrusion, in the metal surface certain depth scope material is strengthened, the residual stress will be the material the manifestation which strengthens.Has the strengthened material component, its material was the material part combination constitution which and

After the shot, cold extrusion, metal surface within a certain range of depth of material will be strengthened, residual stress is the material manifestation of being strengthened. With enhanced material components, the material is by not strengthening the material and has reinforced material consis

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