FLEXURAL VIBRATION SUPPRESSION OF GLASS FIBER/CuZnAl SMA COMPOSITE

Author:

BIFFI CARLO ALBERTO1,BASSANI PAOLA1,TUISSI AUSONIO1,CARNEVALE MARCO2,LECIS NORA2,CONTE ANTONIETTA LO2,PREVITALI BARBARA2

Affiliation:

1. National Research Council of Italy, Institute for Energetics and Interphases, Unit of Lecco, C.so Promessi Sposi 29, 23900 Lecco, Italy

2. Politecnico di Milano, Mechanical Engineering Department, Via La Masa 34, Milano, Italy

Abstract

This work proposes the functional characterization of a composite material, suitable for passive suppression of flexural vibration of beams and shells. Two patterned thin sheets of CuZnAl Shape Memory Alloy (SMA) are embedded into a layered beam of glass fiber. The composite combines the density and stiffness of the glass fiber with high damping properties of SMA in martensitic state. Properly shaped patterning of the SMA sheets, for improving adhesion between the SMA and glass fiber, is performed by means of laser technology. The effect of the laser micromachining on transformation temperatures and internal friction properties of the SMA elements are analyzed. Finally, measurements of the structural damping of the layered glass fiber/SMA composite are reported and the flexural vibration suppression, due to the embedded CuZnAl sheets, is shown.

Publisher

World Scientific Pub Co Pte Lt

Subject

General Materials Science

Cited by 13 articles. 订阅此论文施引文献 订阅此论文施引文献,注册后可以免费订阅5篇论文的施引文献,订阅后可以查看论文全部施引文献

1. Relevant aspects of laser cutting of NiTi shape memory alloys;Journal of Materials Research and Technology;2022-07

2. Experimental and Numerical Characterization of High Damping Martensitic CuAlMn Sheets;Materials;2020-01-22

3. Simulation of strain dependent damping in SMA embedded hybrid beams;Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems 2018;2018-03-27

4. Functional Performances of CuZnAl Shape Memory Alloy Open-Cell Foams;Journal of Materials Engineering and Performance;2018-01-24

5. Towards direct metal laser fabrication of Cu-based shape memory alloys;Rapid Prototyping Journal;2017-03-20

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