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论述了固溶处理和时效处理对双相不锈钢中σ相析出规律的影响,并推荐了典型双相不锈钢2205和2507牌号优化的热处理工艺制度;根据σ相的形成特点,简要介绍了关于σ相析出数学模型建立的基本理论和步骤;并对国内外该技术的发展状况做了综合性的评述。
The effects of solution treatment and aging treatment on the precipitation of σ phase in duplex stainless steel are discussed. The optimal heat treatment process for 2205 and 2507 stainless steel is recommended. Based on the formation characteristics of σ phase, Presents the basic theory and steps of establishing mathematical model; and makes a comprehensive review of the development of the technology at home and abroad.