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流延成型制备Al-Cu梯度材料的结构表征与冲击效果

Structure Characterization and Impact Effect of Al-Cu Graded Materials Prepared by Tape Casting.

作者信息

Hu Jianian, Tan Ye, Li Xuemei, Zhu Youlin, Luo Guoqiang, Zhang Jian, Zhang Ruizhi, Sun Yi, Shen Qiang, Zhang Lianmeng

机构信息

State Key Laboratory of Precision Blasting, Jianghan University, Wuhan 430100, China.

Chaozhou Branch of Chemistry and Chemical Engineering Guangdong Laboratory, Chaozhou 521000, China.

出版信息

Materials (Basel). 2022 Jul 11;15(14):4834. doi: 10.3390/ma15144834.

DOI:10.3390/ma15144834
PMID:35888301
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC9316280/
Abstract

With the need of developing new materials, exploring new phenomenon, and discovering new mechanisms under extreme conditions, the response of materials to high-pressure compression attract more attention. However, the high-pressure state deviating from the Hugoniot line is difficult to realize by conventional experiments. Gas gun launching graded materials could reach the state. In our work, the corresponding Al-Cu composites and graded materials are prepared by tape casting and hot-pressing sintering. The microstructure and the acoustic impedance of the corresponding Al-Cu composites are analyzed to explain the impact behavior of Al-Cu graded materials. Computed tomographic testing and three-dimension surface profilometry machine results demonstrated well-graded structure and parallelism of the graded material. Al-Cu GMs with good parallelism are used to impact the Al-LiF target at 2.3 km/s using a two-stage light-gas gun, with an initial shock impact of 20.6 GPa and ramping until 27.2 GPa, deviating from the Hugoniot line.

摘要

随着开发新材料、探索新现象以及发现极端条件下新机制的需求，材料对高压压缩的响应受到了更多关注。然而，偏离雨贡纽线的高压状态难以通过传统实验实现。气炮发射梯度材料可以达到该状态。在我们的工作中，通过流延成型和热压烧结制备了相应的Al-Cu复合材料和梯度材料。分析了相应Al-Cu复合材料的微观结构和声阻抗，以解释Al-Cu梯度材料的冲击行为。计算机断层扫描测试和三维表面轮廓仪结果表明梯度材料具有良好的梯度结构和平行度。使用两级轻气炮，以2.3 km/s的速度冲击Al-LiF靶，初始冲击压力为20.6 GPa，并逐渐增加到27.2 GPa，制备出了偏离雨贡纽线的具有良好平行度的Al-Cu梯度材料。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/430a/9316280/4493be462083/materials-15-04834-g012.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/430a/9316280/3ff6a2296890/materials-15-04834-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/430a/9316280/55477b9d235a/materials-15-04834-g007.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/430a/9316280/1810af6b4aae/materials-15-04834-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/430a/9316280/1b18164bc648/materials-15-04834-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/430a/9316280/05a8b723dc83/materials-15-04834-g011.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/430a/9316280/4493be462083/materials-15-04834-g012.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/430a/9316280/888c8ee779e0/materials-15-04834-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/430a/9316280/54101aac522d/materials-15-04834-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/430a/9316280/dcc4b324222a/materials-15-04834-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/430a/9316280/7b5b1d690fae/materials-15-04834-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/430a/9316280/8ee79be9901c/materials-15-04834-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/430a/9316280/3ff6a2296890/materials-15-04834-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/430a/9316280/55477b9d235a/materials-15-04834-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/430a/9316280/915010bc329f/materials-15-04834-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/430a/9316280/1810af6b4aae/materials-15-04834-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/430a/9316280/1b18164bc648/materials-15-04834-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/430a/9316280/05a8b723dc83/materials-15-04834-g011.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/430a/9316280/4493be462083/materials-15-04834-g012.jpg

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