不锈钢方形截面空心构件内高压成形研究  

Research on hydroforming of square-section hollow components made of stainless steel

作　　者：苑世剑[1] 田宪伟[1] 苗启斌[1] 王仲仁[1] 

机构地区：[1]哈尔滨工业大学材料科学与工程学院,150001

出　　处：《锻压技术》2004年第2期41-44,共4页Forging & Stamping Technology

基　　金：国家自然科学基金资助项目 (599750 2 1 )

摘　　要：对不锈钢方形截面空心构件内高压成形进行了实验研究 ,比较了有无轴向进给和加载路径即内压和轴向进给关系对方形截面构件影响。分析产生折叠、起皱和开裂尤其在圆角过渡区产生开裂的原因 。An experimental research was conducted on hydroforming of square section components made of stainless steel Comparison is made between non axial feeding and axial feeding, and loading path, i e relationship between internal pressure, in the hydroforming process of square section components The reason is analyzed for folding, wrinkling and splitting, especially in the transition zone of the section corner The thickness distribution of qualified component is given

关 键 词：液力成形 内高压成形 汽车零件 不锈钢 方形截面空心构件 

分 类 号：TG394[金属学及工艺—金属压力加工] U463[机械工程—车辆工程]