The Interface Adhesive Properties and Mechanical Properties of Shape Memory Alloy Composites

The interface adhesive properties and mechanical properties of shape memory alloy composites were experimentally investigated. The two diameters of shape memory alloy (SMA) wire were surface modified by sandpaper, acid corrosion and alkali corrosion. Pull-out tests of single fiber and tensile tests...

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Bibliographic Details
Published in:Fibers and polymers 2022, 23(1), , pp.273-281
Main Authors: Shi, Mingfang, Zhao, Jitao, Liu, Jing, Wang, Hong, Wang, Zhenqing, Xu, Lidan, Sun, Xiaoyu
Format: Article
Language:English
Subjects:
Adhesive strength
Adhesives
Chemistry
Chemistry and Materials Science
Composite materials
Corrosion
Corrosion tests
Interfacial bonding
Laminates
Mechanical properties
Polymer Sciences
Pull out tests
Sandpaper
Shape memory alloys
Sulfuric acid
Surface roughness
Tensile tests
Wire
섬유공학
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Summary:The interface adhesive properties and mechanical properties of shape memory alloy composites were experimentally investigated. The two diameters of shape memory alloy (SMA) wire were surface modified by sandpaper, acid corrosion and alkali corrosion. Pull-out tests of single fiber and tensile tests of composite laminates were carried out. The results show that SMA after acid corrosion is the most effective to improve interface adhesive properties. With the increase of SMA diameter, the contact area between the matrix and SMA increases, so the degree of interfacial bonding is more obvious. The mechanical properties of SMA-modified composite laminates polished by sandpaper have been fully improved. SMA plays a full role in tensile resistance as long as the interface adhesive strength is large enough. Scanning electron microscopy shows that the surface roughness of the SMA wire treated in H 2 SO 4 is more obvious than the other two.
ISSN:1229-9197
1875-0052
DOI:10.1007/s12221-021-3292-8