Mn对Al-Mg-Si-Cu铝合金车身板组织和性能的影响

被引：18

作者：

刘宏

赵刚

刘春明

左良

机构：

[1] 东北大学材料与冶金学院

[2] 东北大学材料与冶金学院辽宁沈阳

[3] 辽宁沈阳

来源：

东北大学学报 | 2005年 / 04期

关键词：

AlMgSiCuMn铝合金; 车身板; Al(FeMn)Si相; 弥散相; 冲压成形性;

D O I：

暂无

中图分类号：

TG113 [金相学（金属的组织与性能）];

学科分类号：

080502 ;

摘要：

通过拉伸和埃里克森实验以及扫描电镜/能谱、透射电镜和金相分析,研究Mn的质量分数对Al Mg Si Cu铝合金汽车板显微组织、力学性能和成形性的影响·研究表明,随Mn质量分数增加,Al Mg Si Cu汽车板铝合金不可溶结晶相及弥散相粒子数量均增加,不可溶结晶相使合金组织纤维化对板材冲压成形性不利,弥散相粒子阻碍再结晶晶粒长大;提高Mn的质量分数,Al Mg Si Cu汽车板铝合金的强度增加,但延伸率和冲压成形性降低·

引用

页码：245 / 248

页数：4

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