北京科技大学材料科学与工程学院;酒泉钢铁股份有限公司技术中心;
采用箱式电阻炉,对316L不锈钢进行了固溶处理实验,并对其组织和力学性能进行了观察和检测。结果表明:随着固溶温度的提高,强度和硬度指标下降,伸长率迅速增加;随着保温时间的增加,其强度和硬度指标逐渐下降,伸长率在保温30 min时间内变化不大;水冷要比雾冷得到的综合力学性能优越。试样厚度为4 mm时,合理的固溶处理工艺为:1050℃保温6 min,然后水淬处理。固溶处理后试样内部组织均匀、晶粒大小适中、铁素体含量少,力学性能明显改善,抗拉强度、屈服强度分别达到565 MPa和220 MPa,伸长率为64.5%,硬度为73.1 HRB;拉伸试样断口呈现明显的韧性断裂,韧性高于热轧态产品。
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基本信息:
DOI：10.13289/j.issn.1009-6264.2010.12.010
中图分类号:TG161
引用信息:
[1]侯东坡,宋仁伯,项建英等.固溶处理对316L不锈钢组织和性能的影响[J].材料热处理学报,2010,31(12):61-65.DOI:10.13289/j.issn.1009-6264.2010.12.010.
基金信息: