The influence of temperature on the forming behavior of metal/polymer laminates in sheet metal forming
The influence of temperature on the forming behavior of metal/polymer laminates in sheet metal forming
复制标题
板材成形中温度对金属/聚合物层压板成形行为的影响
DOI：
10.1115/1.2772329
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发表时间：
2007
影响因子：
1.2
通讯作者：
P. Hodgson
中科院分区：
文献类型：
--
作者：
M. Weiss;M. Dingle;B. Rolfe;P. Hodgson
研究了温度对铝/聚丙烯/铝（APA）夹层板成型行为的影响。进行剪切和拉伸测试以确定层压板和组件材料的机械性能随工艺温度的变化。建立了两种不同温度下层压板的成形极限图（FLD），并在四点弯曲和通道弯曲测试中检查了其回弹行为。在不同的测试温度下进行杯成形测试，以确定极限拉伸比 (LDR) 和在这些温度下的起皱趋势。尽管温度对层压板的机械性能和 FLD 值影响很小，但弯曲测试结果表明，通过在较高温度下成型可以减少回弹。随着工艺温度的升高，芯材料的强度降低，导致层压板在热杯拉伸测试中起皱的趋势增加。
The influence of temperature on the forming behavior of an aluminum/polypropylene/aluminum (APA) sandwich sheet was studied. Shear and tensile tests were performed to determine the mechanical properties of the laminate and the component materials as a function of process temperature. The forming limit diagram (FLD) of the laminate was established for two different temperatures, and its springback behavior was examined in four-point bend and channel bend tests. Cup forming tests were performed at various test temperatures to determine the limiting drawing ratio (LDR) and the tendency for wrinkling at these temperatures. Although there was only a minor influence of temperature on the mechanical properties and the FLD values of the laminate, the bend test results reveal that springback can be reduced by forming at higher temperature. The decreasing strength of the core material with rising process temperature led to an increased tendency of the laminate to wrinkle in the heated cup drawing tests.