Enhanced Damping Capacity in Graphene-Al Nanolaminated Composite Pillars Under Compression Cyclic Loading

Cyclic compression tests were conducted on 2.5- μ m-diameter nanolaminated graphene-aluminum (Al) composite pillars. The composite possessed three times higher damping coefficient than its pure Al counterpart, which was rationalized by the enhanced dislocation hindrance at the graphene/Al interfaces...

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Bibliographic Details
Published inMetallurgical and materials transactions. A, Physical metallurgy and materials science Vol. 51; no. 4; pp. 1463 - 1468
Main Authors Lu, Anliang, Zhao, Lei, Liu, Yu, Li, Zhiqiang, Xiong, Ding-Bang, Zou, Jin, Guo, Qiang
Format Journal Article
LanguageEnglish
Published New York Springer US 01.04.2020
Springer Nature B.V
Subjects
Aluminum
Characterization and Evaluation of Materials
Chemistry and Materials Science
Communication
Compression tests
Cyclic loads
Damping capacity
Graphene
Graphical user interface
Materials Science
Metallic Materials
Nanotechnology
Structural Materials
Surfaces and Interfaces
Thin Films
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Summary:Cyclic compression tests were conducted on 2.5- μ m-diameter nanolaminated graphene-aluminum (Al) composite pillars. The composite possessed three times higher damping coefficient than its pure Al counterpart, which was rationalized by the enhanced dislocation hindrance at the graphene/Al interfaces in the composites. Moreover, the cyclic compression of micro-pillars produced similar damping coefficients as the corresponding bulk sample, providing a novel and convenient approach to assess the cyclic deformation behavior and damping properties of structural materials.
ISSN:1073-5623
1543-1940
DOI:10.1007/s11661-020-05632-4