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DMA testing of Ni-Mn-Ga/polymer composites
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SYSNO ASEP 0338519 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title DMA testing of Ni-Mn-Ga/polymer composites Title Testování Ni-Mn-Ga/polymerových kompozitů pomocí DMA Author(s) Lahelin,, M. (FI)
Aaltio, I. (FI)
Heczko, Oleg (FZU-D) RID, ORCID
Söderberg, O. (FI)
Ge, Y. (FI)
Lofgren, B. (FI)
Hannula, S.-P. (FI)
Seppala, J. (FI)Source Title Composites Part A-Applied Science and Manufacturing. - : Elsevier - ISSN 1359-835X
Roč. 40, č. 2 (2009), s. 125-129Number of pages 5 s. Language eng - English Country GB - United Kingdom Keywords polymer matrix composites (PMCs) ; Internal friction/damping ; adhesion ; mechanical properties Subject RIV BM - Solid Matter Physics ; Magnetism CEZ AV0Z10100520 - FZU-D (2005-2011) UT WOS 000263433200003 DOI 10.1016/j.compositesa.2008.10.011 Annotation Ni–Mn–Ga/polymer composites are an interesting group of materials with new potential for applications such as vibration damping. Polymer selection is critical for Ni–Mn–Ga/polymer composites. The transition temperatures of both components should be selected carefully considering the future application, the contact between Ni–Mn–Ga and polymer is important and stiffness of the polymer matrix is one of the influencing factors. The adhesion between Ni–Mn–Ga and the polymer matrix was studied in shear stress tests. Ni–Mn–Ga adhered strongly to the tested epoxies but considerably less so to silicones. The damping properties of Ni–Mn–Ga/polymer composites were studied by dynamic mechanical analysis (DMA). Compared to the pure polymer sample, DMA measurements confirmed extra damping in the martensite–austenite transition temperature region of the Ni–Mn–Ga after a soft epoxy matrix had been applied. Workplace Institute of Physics Contact Kristina Potocká, potocka@fzu.cz, Tel.: 220 318 579 Year of Publishing 2010
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