{"title":"铝硅涂层钢摆动激光填丝焊接接头组织和性能","authors":"许伟 Xu Wei, 张旭志 Zhang Xuzhi, 陶武 Tao Wu, 张家志 Zhang Jiazhi, 杨上陆 Yang Shanglu","doi":"10.3788/cjl230498","DOIUrl":null,"url":null,"abstract":"采用摆动激光填丝焊接Al?Si涂层22MnB5钢,研究摆动频率对焊接接头的组织和力学性能的影响。并与常规激光自熔焊接(LW)进行对比,讨论摆动激光填丝焊接(OLFW)工艺对δ?铁素体的抑制作用。结果表明,LW焊缝表面出现下凹,而OLFW工艺能够改善焊缝成形,并降低焊缝中α?铁素体的含量。当摆动频率为200 Hz时,α?铁素体的体积分数最低(11.51%)。高含量的α?铁素体造成LW接头的平均硬度、抗拉强度、延伸率分别降低至392 HV、1440 MPa、1.92%。与LW相比,热冲压前摆动激光填丝焊接样品2(OLFW2)焊缝中Al的平均含量(质量分数)由2.16%降低至1.38%。热冲压后OLFW2接头的平均硬度、抗拉强度、延伸率分别提高至471 HV、1561 MPa、3.1%,分别提高了20.2%、8.4%、61.5%。焊缝中α?铁素体的形成和不均匀分布是造成LW和OLFW2接头断裂在焊缝的主要原因。","PeriodicalId":47922,"journal":{"name":"CHINESE JOURNAL OF LASERS-ZHONGGUO JIGUANG","volume":"40 1","pages":"0"},"PeriodicalIF":1.8000,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"铝硅涂层钢摆动激光填丝焊接接头组织和性能\",\"authors\":\"许伟 Xu Wei, 张旭志 Zhang Xuzhi, 陶武 Tao Wu, 张家志 Zhang Jiazhi, 杨上陆 Yang Shanglu\",\"doi\":\"10.3788/cjl230498\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"采用摆动激光填丝焊接Al?Si涂层22MnB5钢,研究摆动频率对焊接接头的组织和力学性能的影响。并与常规激光自熔焊接(LW)进行对比,讨论摆动激光填丝焊接(OLFW)工艺对δ?铁素体的抑制作用。结果表明,LW焊缝表面出现下凹,而OLFW工艺能够改善焊缝成形,并降低焊缝中α?铁素体的含量。当摆动频率为200 Hz时,α?铁素体的体积分数最低(11.51%)。高含量的α?铁素体造成LW接头的平均硬度、抗拉强度、延伸率分别降低至392 HV、1440 MPa、1.92%。与LW相比,热冲压前摆动激光填丝焊接样品2(OLFW2)焊缝中Al的平均含量(质量分数)由2.16%降低至1.38%。热冲压后OLFW2接头的平均硬度、抗拉强度、延伸率分别提高至471 HV、1561 MPa、3.1%,分别提高了20.2%、8.4%、61.5%。焊缝中α?铁素体的形成和不均匀分布是造成LW和OLFW2接头断裂在焊缝的主要原因。\",\"PeriodicalId\":47922,\"journal\":{\"name\":\"CHINESE JOURNAL OF LASERS-ZHONGGUO JIGUANG\",\"volume\":\"40 1\",\"pages\":\"0\"},\"PeriodicalIF\":1.8000,\"publicationDate\":\"2023-01-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"CHINESE JOURNAL OF LASERS-ZHONGGUO JIGUANG\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.3788/cjl230498\",\"RegionNum\":4,\"RegionCategory\":\"物理与天体物理\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q3\",\"JCRName\":\"OPTICS\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"CHINESE JOURNAL OF LASERS-ZHONGGUO JIGUANG","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.3788/cjl230498","RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q3","JCRName":"OPTICS","Score":null,"Total":0}
引用次数: 0