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各向异性对Ti/Al层状复合材料微观结构和力学性能的影响。

Influence of the Anisotropy on the Microstructure and Mechanical Properties of Ti/Al Laminated Composites.

作者信息

Huang Tao, Song Zhuo, Chen Fuxiao, Guo Junqing, Pei Yanbo, Xing Binghui, Xiang Nan, Song Kexing

机构信息

School of Materials Science and Engineering, Henan University of Science and Technology, Luoyang 471023, China.

Collaborative Innovation Center of Nonferrous Metals, Luoyang 471023, China.

出版信息

Materials (Basel). 2020 Aug 12;13(16):3556. doi: 10.3390/ma13163556.

DOI:10.3390/ma13163556
PMID:32806652
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC7475883/
Abstract

Anisotropy is the difference in the microstructure or mechanical properties of materials in different directions. Anisotropic behavior occurs in rolled sheets, and this anisotropy is very obvious in laminated composites. In this work, the influence of anisotropy on the microstructure and mechanical properties of Ti/Al laminated composites fabricated by rolling was investigated. The results show that the microstructure and mechanical properties of the Ti/Al laminated composites were obviously anisotropic. The grains in the Al layer of the composites were elongated along the rolling direction and were compressed perpendicular to the rolling direction. The grains in the Ti layer of the composites had no obvious preferential orientation and comprised mainly twins. With the rolling direction as 0°, the mechanical properties of the Ti/Al laminated composites varied greatly as the angle of the composites increased. The tensile strength, elongation and bond strength of the Ti/Al laminated composites decreased with increasing angle of the composites. In addition, the microhardness of the Ti/Al laminated composites increased with increasing angle of the composites.

摘要

各向异性是指材料在不同方向上的微观结构或力学性能存在差异。轧制板材会出现各向异性行为，这种各向异性在层压复合材料中非常明显。在这项工作中，研究了各向异性对通过轧制制备的Ti/Al层压复合材料的微观结构和力学性能的影响。结果表明，Ti/Al层压复合材料的微观结构和力学性能明显呈现各向异性。复合材料Al层中的晶粒沿轧制方向拉长，垂直于轧制方向被压缩。复合材料Ti层中的晶粒没有明显的择优取向，主要由孪晶组成。以轧制方向为0°，随着复合材料角度的增加，Ti/Al层压复合材料的力学性能变化很大。Ti/Al层压复合材料的抗拉强度、伸长率和结合强度随复合材料角度的增加而降低。此外，Ti/Al层压复合材料的显微硬度随复合材料角度的增加而增加。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fda0/7475883/77e0462584b8/materials-13-03556-g014.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fda0/7475883/1641e73824e6/materials-13-03556-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fda0/7475883/e4b044620427/materials-13-03556-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fda0/7475883/147181e049c0/materials-13-03556-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fda0/7475883/38bc78c8c003/materials-13-03556-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fda0/7475883/245c2cf070d9/materials-13-03556-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fda0/7475883/eedc81954f54/materials-13-03556-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fda0/7475883/4b7121fe1781/materials-13-03556-g011.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fda0/7475883/c0b16662b29c/materials-13-03556-g012.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fda0/7475883/2067a814dbd4/materials-13-03556-g013.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fda0/7475883/77e0462584b8/materials-13-03556-g014.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fda0/7475883/1d4f445b0fc2/materials-13-03556-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fda0/7475883/60b8d3b7db43/materials-13-03556-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fda0/7475883/2ccf4ef93c62/materials-13-03556-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fda0/7475883/3c54914967b0/materials-13-03556-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fda0/7475883/1641e73824e6/materials-13-03556-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fda0/7475883/e4b044620427/materials-13-03556-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fda0/7475883/147181e049c0/materials-13-03556-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fda0/7475883/38bc78c8c003/materials-13-03556-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fda0/7475883/245c2cf070d9/materials-13-03556-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fda0/7475883/eedc81954f54/materials-13-03556-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fda0/7475883/4b7121fe1781/materials-13-03556-g011.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fda0/7475883/c0b16662b29c/materials-13-03556-g012.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fda0/7475883/2067a814dbd4/materials-13-03556-g013.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fda0/7475883/77e0462584b8/materials-13-03556-g014.jpg

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