Slow crack growth resistance and bridging stress determination in alumina-rich magnesium aluminate spinel/tungsten composites
The slow crack growth (SCG) resistance ( V–K I diagrams) of magnesium aluminate spinel and its tungsten composites with different metallic content (7, 10, 14 and 22 vol.%) is reported. It is found that tungsten plays a crucial role in the composite by increasing crack resistance: the higher the W co...
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| Veröffentlicht in: | Acta materialia 2009-04, Vol.57 (7), p.2121-2127 |
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| container_title | Acta materialia |
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| creator | Rodriguez-Suarez, T. Lopez-Esteban, S. Pecharromán, C. Moya, J.S. El Attaoui, H. Benaqqa, C. Chevalier, J. |
| description | The slow crack growth (SCG) resistance (
V–K
I diagrams) of magnesium aluminate spinel and its tungsten composites with different metallic content (7, 10, 14 and 22 vol.%) is reported. It is found that tungsten plays a crucial role in the composite by increasing crack resistance: the higher the W content, the higher the stress intensity factor needed for crack extension at a given rate. The reinforcement is due to the bridging mechanism performed by metal particles, as it strongly affects the compliance of cracked specimens. Its magnitude is estimated by a compliance function
Φ(
a) from a double torsion test. From the compliance function,
R-curve behaviour is predicted for the composite with highest tungsten content. It explains the effect of metal particles on SCG curves. The W–MgAl
2O
4 interface is believed to influence the reinforcement mechanism. |
| doi_str_mv | 10.1016/j.actamat.2009.01.004 |
| format | Article |
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V–K
I diagrams) of magnesium aluminate spinel and its tungsten composites with different metallic content (7, 10, 14 and 22 vol.%) is reported. It is found that tungsten plays a crucial role in the composite by increasing crack resistance: the higher the W content, the higher the stress intensity factor needed for crack extension at a given rate. The reinforcement is due to the bridging mechanism performed by metal particles, as it strongly affects the compliance of cracked specimens. Its magnitude is estimated by a compliance function
Φ(
a) from a double torsion test. From the compliance function,
R-curve behaviour is predicted for the composite with highest tungsten content. It explains the effect of metal particles on SCG curves. The W–MgAl
2O
4 interface is believed to influence the reinforcement mechanism.</description><identifier>ISSN: 1359-6454</identifier><identifier>EISSN: 1873-2453</identifier><identifier>DOI: 10.1016/j.actamat.2009.01.004</identifier><language>eng</language><publisher>Kidlington: Elsevier Ltd</publisher><subject>Applied sciences ; Bridging ; Ceramic–matrix composites ; Cermets ; Engineering Sciences ; Exact sciences and technology ; Hot pressing ; Interfaces ; Materials ; Mechanical properties and methods of testing. Rheology. Fracture mechanics. Tribology ; Metals. Metallurgy</subject><ispartof>Acta materialia, 2009-04, Vol.57 (7), p.2121-2127</ispartof><rights>2009 Acta Materialia Inc.</rights><rights>2009 INIST-CNRS</rights><rights>Distributed under a Creative Commons Attribution 4.0 International License</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c404t-8cf43257aea5fc96b4d4f3f72fc1b5ba8c0b8d082a923725dab69ced9fe5437e3</citedby><cites>FETCH-LOGICAL-c404t-8cf43257aea5fc96b4d4f3f72fc1b5ba8c0b8d082a923725dab69ced9fe5437e3</cites><orcidid>0000-0001-8546-6149</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.actamat.2009.01.004$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>230,314,780,784,885,3550,27924,27925,45995</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=21296482$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://hal.science/hal-00431370$$DView record in HAL$$Hfree_for_read</backlink></links><search><creatorcontrib>Rodriguez-Suarez, T.</creatorcontrib><creatorcontrib>Lopez-Esteban, S.</creatorcontrib><creatorcontrib>Pecharromán, C.</creatorcontrib><creatorcontrib>Moya, J.S.</creatorcontrib><creatorcontrib>El Attaoui, H.</creatorcontrib><creatorcontrib>Benaqqa, C.</creatorcontrib><creatorcontrib>Chevalier, J.</creatorcontrib><title>Slow crack growth resistance and bridging stress determination in alumina-rich magnesium aluminate spinel/tungsten composites</title><title>Acta materialia</title><description>The slow crack growth (SCG) resistance (
V–K
I diagrams) of magnesium aluminate spinel and its tungsten composites with different metallic content (7, 10, 14 and 22 vol.%) is reported. It is found that tungsten plays a crucial role in the composite by increasing crack resistance: the higher the W content, the higher the stress intensity factor needed for crack extension at a given rate. The reinforcement is due to the bridging mechanism performed by metal particles, as it strongly affects the compliance of cracked specimens. Its magnitude is estimated by a compliance function
Φ(
a) from a double torsion test. From the compliance function,
R-curve behaviour is predicted for the composite with highest tungsten content. It explains the effect of metal particles on SCG curves. The W–MgAl
2O
4 interface is believed to influence the reinforcement mechanism.</description><subject>Applied sciences</subject><subject>Bridging</subject><subject>Ceramic–matrix composites</subject><subject>Cermets</subject><subject>Engineering Sciences</subject><subject>Exact sciences and technology</subject><subject>Hot pressing</subject><subject>Interfaces</subject><subject>Materials</subject><subject>Mechanical properties and methods of testing. Rheology. Fracture mechanics. Tribology</subject><subject>Metals. Metallurgy</subject><issn>1359-6454</issn><issn>1873-2453</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2009</creationdate><recordtype>article</recordtype><recordid>eNqFkU2P0zAQhiMEEkvhJyD5AhKHZP2VrxNarYBFqsQBOFsTZ5K6JHbxuLviwH_HpWWvnMYzfmZe6X2L4rXgleCiud5XYBOskCrJeV9xUXGunxRXomtVKXWtnua3qvuy0bV-Xrwg2nMuZKv5VfH76xIemI1gf7A5hoe0YxHJUQJvkYEf2RDdODs_M0r5h9iICePqPCQXPHOewXI8tWV0dsdWmH3eP67_xgkZHZzH5Tod_UwJPbNhPQRyCell8WyChfDVpW6K7x8_fLu9K7dfPn2-vdmWVnOdys5OWsm6BYR6sn0z6FFPamrlZMVQD9BZPnQj7yT0UrWyHmFoeotjP2GtVYtqU7w7393BYg7RrRB_mQDO3N1szWmWDVNCtfxeZPbtmT3E8POIlMzqyOKygMdwJKNUz3UvmgzWZ9DGQBRxerwsuDkFY_bmEow5BWO4-KuzKd5cBIAsLFPMVjt6XJZC9o3uZObenznMztw7jIaswxzL6CLaZMbg_qP0B_VXqfk</recordid><startdate>20090401</startdate><enddate>20090401</enddate><creator>Rodriguez-Suarez, T.</creator><creator>Lopez-Esteban, S.</creator><creator>Pecharromán, C.</creator><creator>Moya, J.S.</creator><creator>El Attaoui, H.</creator><creator>Benaqqa, C.</creator><creator>Chevalier, J.</creator><general>Elsevier Ltd</general><general>Elsevier</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope><scope>1XC</scope><orcidid>https://orcid.org/0000-0001-8546-6149</orcidid></search><sort><creationdate>20090401</creationdate><title>Slow crack growth resistance and bridging stress determination in alumina-rich magnesium aluminate spinel/tungsten composites</title><author>Rodriguez-Suarez, T. ; Lopez-Esteban, S. ; Pecharromán, C. ; Moya, J.S. ; El Attaoui, H. ; Benaqqa, C. ; Chevalier, J.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c404t-8cf43257aea5fc96b4d4f3f72fc1b5ba8c0b8d082a923725dab69ced9fe5437e3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2009</creationdate><topic>Applied sciences</topic><topic>Bridging</topic><topic>Ceramic–matrix composites</topic><topic>Cermets</topic><topic>Engineering Sciences</topic><topic>Exact sciences and technology</topic><topic>Hot pressing</topic><topic>Interfaces</topic><topic>Materials</topic><topic>Mechanical properties and methods of testing. Rheology. Fracture mechanics. Tribology</topic><topic>Metals. Metallurgy</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Rodriguez-Suarez, T.</creatorcontrib><creatorcontrib>Lopez-Esteban, S.</creatorcontrib><creatorcontrib>Pecharromán, C.</creatorcontrib><creatorcontrib>Moya, J.S.</creatorcontrib><creatorcontrib>El Attaoui, H.</creatorcontrib><creatorcontrib>Benaqqa, C.</creatorcontrib><creatorcontrib>Chevalier, J.</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><collection>Hyper Article en Ligne (HAL)</collection><jtitle>Acta materialia</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Rodriguez-Suarez, T.</au><au>Lopez-Esteban, S.</au><au>Pecharromán, C.</au><au>Moya, J.S.</au><au>El Attaoui, H.</au><au>Benaqqa, C.</au><au>Chevalier, J.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Slow crack growth resistance and bridging stress determination in alumina-rich magnesium aluminate spinel/tungsten composites</atitle><jtitle>Acta materialia</jtitle><date>2009-04-01</date><risdate>2009</risdate><volume>57</volume><issue>7</issue><spage>2121</spage><epage>2127</epage><pages>2121-2127</pages><issn>1359-6454</issn><eissn>1873-2453</eissn><abstract>The slow crack growth (SCG) resistance (
V–K
I diagrams) of magnesium aluminate spinel and its tungsten composites with different metallic content (7, 10, 14 and 22 vol.%) is reported. It is found that tungsten plays a crucial role in the composite by increasing crack resistance: the higher the W content, the higher the stress intensity factor needed for crack extension at a given rate. The reinforcement is due to the bridging mechanism performed by metal particles, as it strongly affects the compliance of cracked specimens. Its magnitude is estimated by a compliance function
Φ(
a) from a double torsion test. From the compliance function,
R-curve behaviour is predicted for the composite with highest tungsten content. It explains the effect of metal particles on SCG curves. The W–MgAl
2O
4 interface is believed to influence the reinforcement mechanism.</abstract><cop>Kidlington</cop><pub>Elsevier Ltd</pub><doi>10.1016/j.actamat.2009.01.004</doi><tpages>7</tpages><orcidid>https://orcid.org/0000-0001-8546-6149</orcidid></addata></record> |
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| source | Access via ScienceDirect (Elsevier) |
| subjects | Applied sciences Bridging Ceramic–matrix composites Cermets Engineering Sciences Exact sciences and technology Hot pressing Interfaces Materials Mechanical properties and methods of testing. Rheology. Fracture mechanics. Tribology Metals. Metallurgy |
| title | Slow crack growth resistance and bridging stress determination in alumina-rich magnesium aluminate spinel/tungsten composites |
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