| 1420Al-Li合金超塑特性及微成形 |
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| 引用本文： | 张凯锋,王长丽,于彦东.1420Al-Li合金超塑特性及微成形[J].装备环境工程,2003,21(1):11-14. |
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| 作者姓名： | 张凯锋 王长丽 于彦东 |
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| 作者单位： | 哈尔滨工业大学金属精密热加工国家重点实验室 黑龙江哈尔滨150001
(张凯锋，王长丽)，哈尔滨工业大学金属精密热加工国家重点实验室 黑龙江哈尔滨150001(于彦东) |
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| 摘 要： | 采用最大载荷法研究了 14 2 0Al Li合金的超塑特性 ,根据试验获得的超塑特性参数 ,采用两种形式的模具对 14 2 0Al Li合金的微成形性进行了研究。分析了成形压力、保压时间对微成形的影响 ,采用扫描电镜和金相显微镜分析了成形件的微观形貌 ,更好地理解了材料在微成形时的行为。
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| 关 键 词： | 超塑性 微成形 1420Al-Li合金 |
| 文章编号： | 1000-8446(2003)01-0011-04 |
| 修稿时间： | 2002年7月4日 |
Superplastic Characteristics and Microforming of 1420Al-Li Alloy |
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| ZHANG Kai feng,WANG Chang li,YU Yan dong.Superplastic Characteristics and Microforming of 1420Al-Li Alloy[J].Equipment Environmental Engineering,2003,21(1):11-14. |
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| Authors: | ZHANG Kai feng WANG Chang li YU Yan dong |
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| Abstract: | In this paper, maximum load method was used to study superplastic character of 1420Al Li alloy. According to superplastic parameters obtained, microformability of 1420Al Li alloy was studied by using two kinds of dies. Effect of stress and dwell time on the microforming was analyzed in this paper, and surface topography of formed specimens were analyzed by SEM and metallographic microscope, which help to well understand microforming behavior of the selected material. |
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| Keywords: | superplasticity microforming 1420 Al Li alloy |
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