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对大型电机的高锰无磁钢ＺＧ２５Ｍｎ１８Ｃｒ４定子压圈因力学性能指标达不到规定值而报废的产品进行了材料质量工程分析，对高锰奥氏体钢强韧化的理论基础进行了修正。提出了改进该产品性能质量的工程措施。
On the large motor ZG25Mn18Cr4 high manganese non-magnetic steel stator pressure circle due to failure to meet the mechanical properties of the index and scrapped the product quality engineering analysis of the material, the theoretical basis for strengthening and toughening of high manganese austenitic steel was amended. Proposed to improve the performance of the product engineering quality measures.