Internal friction peak and damping mechanism in high damping 6061Al/SiCp/Gr hybrid metal matrix composite
The damping properties of the 6061Al/SiCp/Gr hybrid MMC, which was fabricated by spray atomization and deposition, were studied. The results show that the internal friction spectra of the samples exhibit internal friction peak versus temperature at about 150DGC. Furthermore, the peak temperature inc...
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| Veröffentlicht in: | Journal of alloys and compounds 2004-06, Vol.372 (1-2), p.304-308 |
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| container_title | Journal of alloys and compounds |
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| creator | Gu, Jinhai Zhang, Xiaonong Gu, Mingyuan Gu, Min Wang, Xike |
| description | The damping properties of the 6061Al/SiCp/Gr hybrid MMC, which was fabricated by spray atomization and deposition, were studied. The results show that the internal friction spectra of the samples exhibit internal friction peak versus temperature at about 150DGC. Furthermore, the peak temperature increases with increasing frequencies, and the activation energy of the internal friction peak was calculated being 1.17 eV according to Arrhenius equation. Through a series of analyses, it is described that the internal friction peak is of relaxation model and its mechanism is of the dislocation-induced damping which results from the dislocation movement dragging the defect under the double action of heat and stress. |
| doi_str_mv | 10.1016/j.jallcom.2003.10.021 |
| format | Article |
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The results show that the internal friction spectra of the samples exhibit internal friction peak versus temperature at about 150DGC. Furthermore, the peak temperature increases with increasing frequencies, and the activation energy of the internal friction peak was calculated being 1.17 eV according to Arrhenius equation. Through a series of analyses, it is described that the internal friction peak is of relaxation model and its mechanism is of the dislocation-induced damping which results from the dislocation movement dragging the defect under the double action of heat and stress.</description><identifier>ISSN: 0925-8388</identifier><identifier>EISSN: 1873-4669</identifier><identifier>DOI: 10.1016/j.jallcom.2003.10.021</identifier><language>eng</language><publisher>Lausanne: Elsevier</publisher><subject>Anelasticity, internal friction, stress relaxation, and mechanical resonances ; Applied sciences ; Condensed matter: structure, mechanical and thermal properties ; Exact sciences and technology ; Mechanical and acoustical properties of condensed matter ; Metals. 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The results show that the internal friction spectra of the samples exhibit internal friction peak versus temperature at about 150DGC. Furthermore, the peak temperature increases with increasing frequencies, and the activation energy of the internal friction peak was calculated being 1.17 eV according to Arrhenius equation. Through a series of analyses, it is described that the internal friction peak is of relaxation model and its mechanism is of the dislocation-induced damping which results from the dislocation movement dragging the defect under the double action of heat and stress.</description><subject>Anelasticity, internal friction, stress relaxation, and mechanical resonances</subject><subject>Applied sciences</subject><subject>Condensed matter: structure, mechanical and thermal properties</subject><subject>Exact sciences and technology</subject><subject>Mechanical and acoustical properties of condensed matter</subject><subject>Metals. 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Metallurgy</topic><topic>Physics</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Gu, Jinhai</creatorcontrib><creatorcontrib>Zhang, Xiaonong</creatorcontrib><creatorcontrib>Gu, Mingyuan</creatorcontrib><creatorcontrib>Gu, Min</creatorcontrib><creatorcontrib>Wang, Xike</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Aluminium Industry Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Aerospace Database</collection><collection>Materials Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Journal of alloys and compounds</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Gu, Jinhai</au><au>Zhang, Xiaonong</au><au>Gu, Mingyuan</au><au>Gu, Min</au><au>Wang, Xike</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Internal friction peak and damping mechanism in high damping 6061Al/SiCp/Gr hybrid metal matrix composite</atitle><jtitle>Journal of alloys and compounds</jtitle><date>2004-06-09</date><risdate>2004</risdate><volume>372</volume><issue>1-2</issue><spage>304</spage><epage>308</epage><pages>304-308</pages><issn>0925-8388</issn><eissn>1873-4669</eissn><abstract>The damping properties of the 6061Al/SiCp/Gr hybrid MMC, which was fabricated by spray atomization and deposition, were studied. 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| source | Elsevier ScienceDirect Journals |
| subjects | Anelasticity, internal friction, stress relaxation, and mechanical resonances Applied sciences Condensed matter: structure, mechanical and thermal properties Exact sciences and technology Mechanical and acoustical properties of condensed matter Metals. Metallurgy Physics |
| title | Internal friction peak and damping mechanism in high damping 6061Al/SiCp/Gr hybrid metal matrix composite |
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