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本文测定了铁素体-马氏体双相钢在拉伸和拉伸加压缩时的初始流变应力以及随后的矫顽力。结果发现,拉伸和拉伸加压缩后的矫顽力的变化同相应的初始流变应力的变化趋势一样,而后者称为Bauschinger效应。但矫顽力的相对变化大于后者。Initial flow stresses and coercivities during and after tension and tension plus compression in ferrite-martensite dual phase steels have been measured. It was found that both parameters for tension plus compression are smaller than those for tension only. For the flow stress, this phenomenon is called Bauschinger effect. The relative decrease of coercivity is larger than that of flow stress.
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