Fatigue properties of ceramic hollow sphere filled aluminium matrix syntactic foams
Metal matrix syntactic foams, consisting of two grades of aluminium alloys and a set of oxide ceramic hollow spheres, were investigated in the aspect of cyclic loading. The results of the compressive – compressive cyclic loading with the load asymmetry factor of R=0.1 ensured full reliability design...
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| Veröffentlicht in: | Materials science & engineering. A, Structural materials : properties, microstructure and processing Structural materials : properties, microstructure and processing, 2017-01, Vol.679, p.350-357 |
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| creator | Katona, Bálint Szebényi, Gábor Orbulov, Imre Norbert |
| description | Metal matrix syntactic foams, consisting of two grades of aluminium alloys and a set of oxide ceramic hollow spheres, were investigated in the aspect of cyclic loading. The results of the compressive – compressive cyclic loading with the load asymmetry factor of R=0.1 ensured full reliability design data for the investigated material in the lifetime region, while the fatigue limits were determined by staircase method. Based on the measurements the Wöhler curves of the foams were constructed, including the median curves, their confidence boundaries and the fatigue strength. Regarding the matrix material, the softer matrix ensured higher load levels for the fatigue strength than the more rigid matrix. Considering the size of the reinforcing ceramic hollow spheres, larger spheres performed better than the more vulnerable smaller ones. One common failure mode was isolated for the investigated foams: the samples were broken along a shear band, similar to the case of quasi-static loading. |
| doi_str_mv | 10.1016/j.msea.2016.10.061 |
| format | Article |
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The results of the compressive – compressive cyclic loading with the load asymmetry factor of R=0.1 ensured full reliability design data for the investigated material in the lifetime region, while the fatigue limits were determined by staircase method. Based on the measurements the Wöhler curves of the foams were constructed, including the median curves, their confidence boundaries and the fatigue strength. Regarding the matrix material, the softer matrix ensured higher load levels for the fatigue strength than the more rigid matrix. Considering the size of the reinforcing ceramic hollow spheres, larger spheres performed better than the more vulnerable smaller ones. One common failure mode was isolated for the investigated foams: the samples were broken along a shear band, similar to the case of quasi-static loading.</description><identifier>ISSN: 0921-5093</identifier><identifier>EISSN: 1873-4936</identifier><identifier>DOI: 10.1016/j.msea.2016.10.061</identifier><language>eng</language><publisher>Lausanne: Elsevier B.V</publisher><subject>Aluminum ; Aluminum alloys ; Aluminum base alloys ; Asymmetry ; Boundaries ; Ceramics ; Composites ; Cyclic loads ; Edge dislocations ; Fatigue ; Fatigue (materials) ; Fatigue failure ; Fatigue limit ; Fatigue strength ; Foamed metals ; Foams ; Materials fatigue ; Mechanical characterization ; Porous materials ; Reliability aspects ; Service life assessment ; Syntactic foams</subject><ispartof>Materials science & engineering. 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A, Structural materials : properties, microstructure and processing</title><description>Metal matrix syntactic foams, consisting of two grades of aluminium alloys and a set of oxide ceramic hollow spheres, were investigated in the aspect of cyclic loading. The results of the compressive – compressive cyclic loading with the load asymmetry factor of R=0.1 ensured full reliability design data for the investigated material in the lifetime region, while the fatigue limits were determined by staircase method. Based on the measurements the Wöhler curves of the foams were constructed, including the median curves, their confidence boundaries and the fatigue strength. Regarding the matrix material, the softer matrix ensured higher load levels for the fatigue strength than the more rigid matrix. Considering the size of the reinforcing ceramic hollow spheres, larger spheres performed better than the more vulnerable smaller ones. One common failure mode was isolated for the investigated foams: the samples were broken along a shear band, similar to the case of quasi-static loading.</description><subject>Aluminum</subject><subject>Aluminum alloys</subject><subject>Aluminum base alloys</subject><subject>Asymmetry</subject><subject>Boundaries</subject><subject>Ceramics</subject><subject>Composites</subject><subject>Cyclic loads</subject><subject>Edge dislocations</subject><subject>Fatigue</subject><subject>Fatigue (materials)</subject><subject>Fatigue failure</subject><subject>Fatigue limit</subject><subject>Fatigue strength</subject><subject>Foamed metals</subject><subject>Foams</subject><subject>Materials fatigue</subject><subject>Mechanical characterization</subject><subject>Porous materials</subject><subject>Reliability aspects</subject><subject>Service life assessment</subject><subject>Syntactic foams</subject><issn>0921-5093</issn><issn>1873-4936</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2017</creationdate><recordtype>article</recordtype><recordid>eNp9kMtOwzAQRS0EEqXwA6wssWGT4lfiWGKDKl5SJRbA2nLsCXWVxMVOePw9rsqKBasZjc6duXMROqdkQQmtrjaLPoFZsNznwYJU9ADNaC15IRSvDtGMKEaLkih-jE5S2hBCqCDlDD3fmdG_TYC3MWwhjh4SDi22EE3vLV6HrgufOG3XEAG3vuvAYdNNvR_81OPejNF_4fQ9jMaOmW-D6dMpOmpNl-Dst87R693ty_KhWD3dPy5vVoXNp8fCWlDcibJxVVs61tSNLF3VNJJLI0kjpOG8lswqzprSWd4SVTqhHKkVEQ1nfI4u93uz9_cJ0qh7nyx0nRkgTEnTuhKl4EqKjF78QTdhikN2p6kSTDJRC5IptqdsDClFaPU2-t7Eb02J3uWsN3qXs97lvJvlnLPoei-C_OqHh6iT9TBYcD6CHbUL_j_5D_7Khq4</recordid><startdate>20170102</startdate><enddate>20170102</enddate><creator>Katona, Bálint</creator><creator>Szebényi, Gábor</creator><creator>Orbulov, Imre Norbert</creator><general>Elsevier B.V</general><general>Elsevier BV</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope><scope>7QF</scope></search><sort><creationdate>20170102</creationdate><title>Fatigue properties of ceramic hollow sphere filled aluminium matrix syntactic foams</title><author>Katona, Bálint ; Szebényi, Gábor ; Orbulov, Imre Norbert</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c405t-cce93d45bd6f5d2b8b75d6bb737a70b47a33872c932b5dc3f095d49d08904b323</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2017</creationdate><topic>Aluminum</topic><topic>Aluminum alloys</topic><topic>Aluminum base alloys</topic><topic>Asymmetry</topic><topic>Boundaries</topic><topic>Ceramics</topic><topic>Composites</topic><topic>Cyclic loads</topic><topic>Edge dislocations</topic><topic>Fatigue</topic><topic>Fatigue (materials)</topic><topic>Fatigue failure</topic><topic>Fatigue limit</topic><topic>Fatigue strength</topic><topic>Foamed metals</topic><topic>Foams</topic><topic>Materials fatigue</topic><topic>Mechanical characterization</topic><topic>Porous materials</topic><topic>Reliability aspects</topic><topic>Service life assessment</topic><topic>Syntactic foams</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Katona, Bálint</creatorcontrib><creatorcontrib>Szebényi, Gábor</creatorcontrib><creatorcontrib>Orbulov, Imre Norbert</creatorcontrib><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><collection>Aluminium Industry Abstracts</collection><jtitle>Materials science & engineering. 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| ispartof | Materials science & engineering. A, Structural materials : properties, microstructure and processing, 2017-01, Vol.679, p.350-357 |
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| source | ScienceDirect Journals (5 years ago - present) |
| subjects | Aluminum Aluminum alloys Aluminum base alloys Asymmetry Boundaries Ceramics Composites Cyclic loads Edge dislocations Fatigue Fatigue (materials) Fatigue failure Fatigue limit Fatigue strength Foamed metals Foams Materials fatigue Mechanical characterization Porous materials Reliability aspects Service life assessment Syntactic foams |
| title | Fatigue properties of ceramic hollow sphere filled aluminium matrix syntactic foams |
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