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表面几何形状增强铝合金接头抗剪性能的研究

Study on Shear Resistance of Aluminum Alloy Joints Enhanced by Surface Geometry.

作者信息

Zheng Xiangke, Hu Ning, Shu Linsen, Fu Xin, Wang Yuqi, Zhang Dacheng

机构信息

School of Optoelectronic Engineering, Xidian University, Xi'an 710126, China.

Xi'an Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Xi'an 710119, China.

出版信息

Materials (Basel). 2025 Apr 25;18(9):1954. doi: 10.3390/ma18091954.

DOI:10.3390/ma18091954
PMID:40363457
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC12072269/
Abstract

To improve the shear strength of the 2A12 aluminum alloy adhesive-bonded joint, two kinds of surface micropatterns, parallel and cross waves, were constructed on the surface of aluminum alloy by a laser engraving machine. The shear strength of two different surface micropatterns at different laser processing distances was investigated. The results show that the surface of the aluminum alloy with a surface micropattern shows excellent hydrophilicity, which is beneficial to forming a mechanical interlock between the adhesive and aluminum alloy. The shear strength of the bonded joint decreases with the increase in laser processing distances for the parallel wavy micropattern. When the laser processing distance is 0.5 mm, the shear strength reaches a maximum of 14.04 MPa. For the cross-wave micropattern, the shear strength of the bonded joint increases first and then decreases with the increase in laser processing distances. When the laser processing distance is 0.75 mm, the shear strength reaches a maximum of 13.74 MPa. The obtained data are important for adhesive aluminum alloys with different surface micropatterns.

摘要

为提高2A12铝合金胶接接头的剪切强度，利用激光雕刻机在铝合金表面构建了平行波和交叉波两种表面微图案。研究了不同激光加工距离下两种不同表面微图案的剪切强度。结果表明，具有表面微图案的铝合金表面表现出优异的亲水性，这有利于在胶粘剂与铝合金之间形成机械互锁。对于平行波浪微图案，胶接接头的剪切强度随激光加工距离的增加而降低。当激光加工距离为0.5mm时，剪切强度达到最大值14.04MPa。对于交叉波微图案，胶接接头的剪切强度随激光加工距离的增加先增大后减小。当激光加工距离为0.75mm时，剪切强度达到最大值13.74MPa。所获得的数据对于具有不同表面微图案的胶粘剂铝合金具有重要意义。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2e70/12072269/921a325fa011/materials-18-01954-g013.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2e70/12072269/a2200624b23d/materials-18-01954-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2e70/12072269/1daf6323f4df/materials-18-01954-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2e70/12072269/82023fe0a615/materials-18-01954-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2e70/12072269/4e55c454b939/materials-18-01954-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2e70/12072269/f1f7354994f3/materials-18-01954-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2e70/12072269/5b7950d72cab/materials-18-01954-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2e70/12072269/23562db59900/materials-18-01954-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2e70/12072269/1c250404ce79/materials-18-01954-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2e70/12072269/d66e326b811b/materials-18-01954-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2e70/12072269/e7071b0cee11/materials-18-01954-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2e70/12072269/8cd70c9ed261/materials-18-01954-g011.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2e70/12072269/0f0ec32b47a3/materials-18-01954-g012.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2e70/12072269/921a325fa011/materials-18-01954-g013.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2e70/12072269/a2200624b23d/materials-18-01954-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2e70/12072269/1daf6323f4df/materials-18-01954-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2e70/12072269/82023fe0a615/materials-18-01954-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2e70/12072269/4e55c454b939/materials-18-01954-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2e70/12072269/f1f7354994f3/materials-18-01954-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2e70/12072269/5b7950d72cab/materials-18-01954-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2e70/12072269/23562db59900/materials-18-01954-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2e70/12072269/1c250404ce79/materials-18-01954-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2e70/12072269/d66e326b811b/materials-18-01954-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2e70/12072269/e7071b0cee11/materials-18-01954-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2e70/12072269/8cd70c9ed261/materials-18-01954-g011.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2e70/12072269/0f0ec32b47a3/materials-18-01954-g012.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2e70/12072269/921a325fa011/materials-18-01954-g013.jpg

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