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中文摘要：
针对工业生产2205双相不锈钢热轧卷板产生裂纹问题，进行了楔形试样的热轧实验，分析了道次变形量对试样厚度方向变形均匀性的影响规律，得到了使试样厚度方向变形更趋均匀的最优粗轧道次压下量，避免了裂纹的产生。
英文摘要：
In order to resolve the crack problem of 2205 duplex stainless steel plate in industry production, hot rolling experiment of wedge-shaped specimen of as-cast 2205 duplex stainless steel has been carried. Influence rule of reduction in pass to deformation uniformity of the specimen in thickness direction has been analyzed. A more reasonable reduction in pass during rough rolling has been proposed to obtain more uniform deformation in thickness direction, and the crack problem can be avoided.
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