发明创新试验2023年2月第50卷第2期doi:10.3969/j.issn.1001-5922.2023.02.033Vol.50No.02,Feb.2023收稿日期:2022-07-06;修回日期:2022-02-10作者简介:宋超(1976-),男,高级工程师,主要从事国内外压力容器等化工设备的研发工作;E-mail:ash3866@sina.com。引文格式:宋超,徐春华,夏海龙,等.奥氏体不锈钢低温容器焊接与应变强化工艺的技术创新[J].粘接,2023,50(2):139-143.奥氏体不锈钢低温容器焊接与应变强化工艺的技术创新宋超,徐春华,夏海龙,张旭平,王孝松,张东杰(山东中车同力钢构有限公司,山东济南250101)摘要:随着低温行业的快速发展,低温容器用材料奥氏体不锈钢的应用日益广泛和增加。鉴于奥氏体不锈钢含有镍等贵金属,价格昂贵且极不稳定;为此采用应变强化技术来提高不锈钢材料的屈强比,充分挖掘其塑性储备来提高其屈服强度,进而大幅度提高奥氏体不锈钢材料的强度计算的许用应力。运用应变强化技术实现奥氏体低温容器的轻型化设计和制造,对节约材料,减轻设备质量和降低成本极为显著。通过试验数据分析和有限元模拟计算分析,预测的最大变形与试验吻合较好,为实际生产提供有效的变形测量位置控制奠定了基础。关键词:低温容器;奥氏体不锈钢;应变强化;数据分析;变形控制中图分类号:TG151.3;TQ05文献标志码:A文章编号:1001-5922(2023)02-0139-05StrainstrengtheningtechnlogyinnovationofanddeformationcontrolofausteniticstainlesssteelcylinderofcryogenicvesselSONGChao,XUChunhua,XIAHailong,ZHANGXuping,WANGXiaosong,ZHANGDongjie(ShandongCRRCTongliSteelStructureCo.,Ltd.,Jinan250101,China)Abstract:Withtherapiddevelopmentofthecryogenicindustry,theuseofaustenitestainlesssteelmaterialsforcry-ogeniccontainershasbecomemoreandmoreextensive.However,becauseAusteniticstainlesssteelcontainspre-ciousmetalssuchasnickel,itisveryexpensiveandunstable,therefore,thestrengtheningtechnologyisadoptedtoimprovetheyieldstrengthratioofstainlesssteelmaterials,andtheplasticreservesarefullyexploitedtoimprovetheyieldstrengthofstainlesssteelmaterials,thusgreatlyincreasingtheallowablestressinthestrengthcalculationofaustenitestainlesssteelmaterials,theapplicationofstrainstrengtheningtechnologytothelightweightdesignandmanufactureofausteniticcryogenicvessel...