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AZ31镁合金挤压型材温热张力绕弯成形过程中的回弹特征
肖寒; 张士宏; 周荣等
2012
Conference Name3rd International Conference on New Forming Technology(3rd ICNFT)第三届新成形技术国际会议
Source Publication3rd International Conference on New Forming Technology(3rd ICNFT)第三届新成形技术国际会议论文集
Pages416-421
Conference Date2012
Abstract采用数值模拟和实验方法研究薄壁、多筋AZ31镁合金挤压型材的温热张力绕弯成形工艺,分析工艺参数对AZ31弯曲型材回弹特征的影响.结果表明:当成形温度由100℃升高至200℃时,AZ31镁合金型材弯曲件回弹角的实验值和模拟值均减小,实验回弹角由11.6°降低至10.7°,回弹率由11.26%降低至10.39%,回弹角与成形温度的关系近似为线性关系.当弯曲角由100°增加至110°时,AZ31镁合金型材弯曲件回弹角的实验值和模拟值都增加,实验回弹角由10.8°增加至11.5°,回弹率由10.48%增加至11.16%.当预拉伸量由0.2%增加至1.1%时,AZ31镁合金型材弯曲件回弹角的实验值和模拟值都减小,实验回弹角由12.5 °降低至9.8°,回弹率由12.14%降低至9.51%.
description.department昆明理工大学材料科学与工程学院,昆明650093 ; 中国科学院金属研究所,沈阳110016
KeywordAz31镁合金%挤压型材%张力绕弯%数值模拟%回弹
Language中文
Document Type会议论文
Identifierhttp://ir.imr.ac.cn/handle/321006/71971
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
肖寒,张士宏,周荣等. AZ31镁合金挤压型材温热张力绕弯成形过程中的回弹特征[C],2012:416-421.
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