铝合金管材热态内高压成形研究

1.哈尔滨工业大学,材料科学与工程学院,哈尔滨,150001

2.哈尔滨工业大学,材料科学与工程学院,哈尔滨,150001

3.哈尔滨工业大学,材料科学与工程学院,哈尔滨,150001

基金项目: 中国科学院资助项目(50375036) 国家自然科学基金(50525516)

Research on Warm Hydroforming of Aluminum Tube

通过热拉伸实验研究5A02铝合金管材在不同温度下的力学性能.根据热拉伸实验结果进行管材热态液压胀形数值模拟,并进行初步的实验研究.数值模拟结果和实验结果表明,5A02铝合金管材的成形性能随着温度的升高而得到明显改善,理想成形温度为200～230℃.对数值模拟结果与实验结果之间的差别进行分析和讨论.

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