2205双相不锈钢中σ相的析出规律

发布时间：2018-09-17 18:58

【摘要】：研究了2205双相不锈钢中σ相的析出规律及原始组织对析出规律的影响。分别对铸态试样和热轧态试样进行了不同工艺条件的固溶处理实验,并对实验后试样进行了显微组织的观察和分析。结果表明,2205双相不锈钢中σ相析出的鼻尖温度为850℃;变形会使σ相的析出温度升高,孕育期缩短,析出速度增大;工业生产2205双相不锈钢热轧卷板时轧件终轧后应采用较快冷却速度冷却到卷取温度,以避免σ相的析出给热轧卷板开卷及后续工序带来困难。
[Abstract]:The precipitation law of 蟽 phase in 2205 duplex stainless steel and the effect of original structure on the precipitation rule were studied. The solution treatment experiments of as-cast and hot-rolled samples were carried out under different technological conditions, and the microstructure of the samples after the experiment was observed and analyzed. The results show that the nasal tip temperature of 蟽 phase precipitates in duplex stainless steel is 850 鈩，

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