Fracture Analyses of Alumina Subjected to Mechanical and Thermal Shock Biaxial Stresses
Disks of commercial alumina were fabricated by slip casting and sintering. Two surface finishes were performed: coarse (denoted as “C”) using a 70 grit diamond wheel and fine (denoted as “F”) with 120 and 320 grit SiC papers. The machined surfaces were analyzed by SEM, profilometry, and residual str...
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| Veröffentlicht in: | Journal of the American Ceramic Society 2002-04, Vol.85 (4), p.921-926 |
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| creator | Tomba-Martinez, Analía G. Cavalieri, Ana L. |
| description | Disks of commercial alumina were fabricated by slip casting and sintering. Two surface finishes were performed: coarse (denoted as “C”) using a 70 grit diamond wheel and fine (denoted as “F”) with 120 and 320 grit SiC papers. The machined surfaces were analyzed by SEM, profilometry, and residual stresses measurements. The fracture strength was evaluated in biaxial flexure, and the thermal shock resistance was tested by cooling with a high‐velocity air jet. The fracture of the specimens under both conditions was studied analyzing crack patterns and fracture surfaces in relation to the surface machining and type of loading, i.e., mechanical and thermal stresses. |
| doi_str_mv | 10.1111/j.1151-2916.2002.tb00193.x |
| format | Article |
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Two surface finishes were performed: coarse (denoted as “C”) using a 70 grit diamond wheel and fine (denoted as “F”) with 120 and 320 grit SiC papers. The machined surfaces were analyzed by SEM, profilometry, and residual stresses measurements. The fracture strength was evaluated in biaxial flexure, and the thermal shock resistance was tested by cooling with a high‐velocity air jet. The fracture of the specimens under both conditions was studied analyzing crack patterns and fracture surfaces in relation to the surface machining and type of loading, i.e., mechanical and thermal stresses.</description><identifier>ISSN: 0002-7820</identifier><identifier>EISSN: 1551-2916</identifier><identifier>DOI: 10.1111/j.1151-2916.2002.tb00193.x</identifier><identifier>CODEN: JACTAW</identifier><language>eng</language><publisher>Westerville, Ohio: American Ceramics Society</publisher><subject>alumina ; Applied sciences ; Building materials. Ceramics. 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Glasses</subject><subject>Ceramic industries</subject><subject>Chemical industry and chemicals</subject><subject>Exact sciences and technology</subject><subject>fracture</subject><subject>mechanical properties</subject><subject>Miscellaneous</subject><subject>shock/shock resistance</subject><subject>stress</subject><subject>Technical ceramics</subject><issn>0002-7820</issn><issn>1551-2916</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2002</creationdate><recordtype>article</recordtype><recordid>eNqVkF1P2zAUhq1pk9bB_oOFtN2l-COxk92groICKt0FTFxap86J6pAmzE5E--9x1IpJ3OGb46Pz-D3yQ8gZZ1Mez3kdS8YTUXA1FYyJab9mjBdyuvtEJjw7jj6TCYvDROeCfSXfQqjZSOXphDxeebD94JHOWmj2AQPtKjprhq1rgd4P6xptjyXtO3qHdgOts9BQaEv6sEG_jff7TWef6G8HOzd2vccQU07JlwqagN-P9YT8vbp8mF8nyz-Lm_lsmdg0lTxRSnNZVAJzZVm-ZiCsLYsKZMkxhUILzKoSS60zkYuy5CkC05YpLDLOIGfyhPw85D777t-AoTdbFyw2DbTYDcEIzaMBLSJ49g6su8HHP0eG64JxyUfo1wGyvgvBY2WevduC3xvOzCjc1GYUbkarZhRujsLNLj7-cdwAIUqqPLTWhf8JUkmVKR65iwP34hrcf2CDuZ3NLwsxJiSHBBd63L0lgH8ySkudmcfVwqxWOl_esYWR8hWA-6M4</recordid><startdate>200204</startdate><enddate>200204</enddate><creator>Tomba-Martinez, Analía G.</creator><creator>Cavalieri, Ana L.</creator><general>American Ceramics Society</general><general>Blackwell</general><general>Wiley Subscription Services, Inc</general><scope>BSCLL</scope><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7QQ</scope><scope>7SR</scope><scope>8FD</scope><scope>JG9</scope></search><sort><creationdate>200204</creationdate><title>Fracture Analyses of Alumina Subjected to Mechanical and Thermal Shock Biaxial Stresses</title><author>Tomba-Martinez, Analía G. ; Cavalieri, Ana L.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c4431-667139f2e86c08b0a2ccd9fa3d1e4a972e5fded775282dd14ea07c06e9510a803</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2002</creationdate><topic>alumina</topic><topic>Applied sciences</topic><topic>Building materials. 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| identifier | ISSN: 0002-7820 |
| ispartof | Journal of the American Ceramic Society, 2002-04, Vol.85 (4), p.921-926 |
| issn | 0002-7820 1551-2916 |
| language | eng |
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| source | Wiley Online Library All Journals |
| subjects | alumina Applied sciences Building materials. Ceramics. Glasses Ceramic industries Chemical industry and chemicals Exact sciences and technology fracture mechanical properties Miscellaneous shock/shock resistance stress Technical ceramics |
| title | Fracture Analyses of Alumina Subjected to Mechanical and Thermal Shock Biaxial Stresses |
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