Comparison of Bend Stress Relaxation and Tensile Creep of CVD SiC Fibers
Three different CVD SiC fibers were tested for bend stress relaxation (BSR) and tensile creep over a wide range of temperatures, times, and stresses. Primary creep was always observed, even for creep strains on the order of 2%. The BSR and tensile creep results were compared using simple linear visc...
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| Veröffentlicht in: | Journal of the American Ceramic Society 1995-12, Vol.78 (12), p.3244-3252 |
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| container_issue | 12 |
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| container_title | Journal of the American Ceramic Society |
| container_volume | 78 |
| creator | Morscher, Gregory N. Lewinsohn, Charles A. Bakis, Charles E. Tressler, Richard E. Wagner, Timothy |
| description | Three different CVD SiC fibers were tested for bend stress relaxation (BSR) and tensile creep over a wide range of temperatures, times, and stresses. Primary creep was always observed, even for creep strains on the order of 2%. The BSR and tensile creep results were compared using simple linear viscoelastic principles. It was found that BSR results could predict the same time and temperature dependence as tensile creep; however, BSR‐predicted creep strains usually overestimated the magnitude of tensile creep strain. The time, temperature, and stress dependence were determined for all the fibers for the experimental conditions of this study. Some of the primary creep behavior can be explained by load‐sharing effects between the core and the CVD SiC substrate and some microstructural changes; however, the extent of primary creep cannot fully be accounted for from this work. |
| doi_str_mv | 10.1111/j.1151-2916.1995.tb07960.x |
| format | Article |
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Primary creep was always observed, even for creep strains on the order of 2%. The BSR and tensile creep results were compared using simple linear viscoelastic principles. It was found that BSR results could predict the same time and temperature dependence as tensile creep; however, BSR‐predicted creep strains usually overestimated the magnitude of tensile creep strain. The time, temperature, and stress dependence were determined for all the fibers for the experimental conditions of this study. 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Glasses ; CARBON ; Ceramic and carbon fibers ; Ceramic industries ; Chemical industry and chemicals ; CORRELATIONS ; CREEP ; Exact sciences and technology ; LAYERS ; MATERIALS SCIENCE ; SILICON CARBIDES ; STRAINS ; STRESS RELAXATION ; STRESSES ; SUBSTRATES ; Technical ceramics ; TEMPERATURE DEPENDENCE ; TIME DEPENDENCE</subject><ispartof>Journal of the American Ceramic Society, 1995-12, Vol.78 (12), p.3244-3252</ispartof><rights>1996 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c4194-6482731e66369e9382f76d6824d3526325ee18061adaf0dfda30ed7f0aef2e553</citedby><cites>FETCH-LOGICAL-c4194-6482731e66369e9382f76d6824d3526325ee18061adaf0dfda30ed7f0aef2e553</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1111%2Fj.1151-2916.1995.tb07960.x$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1111%2Fj.1151-2916.1995.tb07960.x$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>314,776,780,881,1411,27901,27902,45550,45551</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=2931552$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.osti.gov/biblio/177977$$D View this record in Osti.gov$$Hfree_for_read</backlink></links><search><creatorcontrib>Morscher, Gregory N.</creatorcontrib><creatorcontrib>Lewinsohn, Charles A.</creatorcontrib><creatorcontrib>Bakis, Charles E.</creatorcontrib><creatorcontrib>Tressler, Richard E.</creatorcontrib><creatorcontrib>Wagner, Timothy</creatorcontrib><title>Comparison of Bend Stress Relaxation and Tensile Creep of CVD SiC Fibers</title><title>Journal of the American Ceramic Society</title><description>Three different CVD SiC fibers were tested for bend stress relaxation (BSR) and tensile creep over a wide range of temperatures, times, and stresses. Primary creep was always observed, even for creep strains on the order of 2%. The BSR and tensile creep results were compared using simple linear viscoelastic principles. It was found that BSR results could predict the same time and temperature dependence as tensile creep; however, BSR‐predicted creep strains usually overestimated the magnitude of tensile creep strain. The time, temperature, and stress dependence were determined for all the fibers for the experimental conditions of this study. Some of the primary creep behavior can be explained by load‐sharing effects between the core and the CVD SiC substrate and some microstructural changes; however, the extent of primary creep cannot fully be accounted for from this work.</description><subject>Applied sciences</subject><subject>Building materials. Ceramics. Glasses</subject><subject>CARBON</subject><subject>Ceramic and carbon fibers</subject><subject>Ceramic industries</subject><subject>Chemical industry and chemicals</subject><subject>CORRELATIONS</subject><subject>CREEP</subject><subject>Exact sciences and technology</subject><subject>LAYERS</subject><subject>MATERIALS SCIENCE</subject><subject>SILICON CARBIDES</subject><subject>STRAINS</subject><subject>STRESS RELAXATION</subject><subject>STRESSES</subject><subject>SUBSTRATES</subject><subject>Technical ceramics</subject><subject>TEMPERATURE DEPENDENCE</subject><subject>TIME DEPENDENCE</subject><issn>0002-7820</issn><issn>1551-2916</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1995</creationdate><recordtype>article</recordtype><recordid>eNqVkU1v1DAQhi0EEsvS_xAQ4pbFH7Edc6IN3W6rCgoty9Fyk7Hwkk0WTyq2_76Osuq59WVkz-N3RnoIec_ogqXzaZOKZDk3TC2YMXIx3FJtFF3sX5AZk4fWSzKjlPJcl5y-Jm8QN-nKTFnMyKrqtzsXA_Zd1vvsBLomux4iIGY_oXV7N4TUcen1BjoMLWRVBNiNbLX-ml2HKluGW4j4lrzyrkU4OtQ5-bU8valW-eX3s_Pq-DKvC2aKXBUl14KBUkIZMKLkXqtGlbxohORKcAnASqqYa5ynjW-coNBoTx14DlKKOXk35fY4BIt1GKD-U_ddB_VgmdZG68R8nJhd7P_dAQ52G7CGtnUd9Hdo0waCpUWeAnKlJX0SKHnaf04-T2Ade8QI3u5i2Lp4bxm1ozK7saMyO3qxozJ7UGb36fOHwxSHtWt9dF0d8DGBG5GUjlt_mbD_ycf9MwbYi-PqVPCiSBH5FBFwgP1jhIt_rdJCS_v725ldXq2W65Mfxq7FAwwGt34</recordid><startdate>199512</startdate><enddate>199512</enddate><creator>Morscher, Gregory N.</creator><creator>Lewinsohn, Charles A.</creator><creator>Bakis, Charles E.</creator><creator>Tressler, Richard E.</creator><creator>Wagner, Timothy</creator><general>Blackwell Publishing Ltd</general><general>Blackwell</general><scope>BSCLL</scope><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>8FD</scope><scope>H8D</scope><scope>L7M</scope><scope>7SR</scope><scope>JG9</scope><scope>7QQ</scope><scope>OTOTI</scope></search><sort><creationdate>199512</creationdate><title>Comparison of Bend Stress Relaxation and Tensile Creep of CVD SiC Fibers</title><author>Morscher, Gregory N. ; Lewinsohn, Charles A. ; Bakis, Charles E. ; Tressler, Richard E. ; Wagner, Timothy</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c4194-6482731e66369e9382f76d6824d3526325ee18061adaf0dfda30ed7f0aef2e553</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1995</creationdate><topic>Applied sciences</topic><topic>Building materials. Ceramics. Glasses</topic><topic>CARBON</topic><topic>Ceramic and carbon fibers</topic><topic>Ceramic industries</topic><topic>Chemical industry and chemicals</topic><topic>CORRELATIONS</topic><topic>CREEP</topic><topic>Exact sciences and technology</topic><topic>LAYERS</topic><topic>MATERIALS SCIENCE</topic><topic>SILICON CARBIDES</topic><topic>STRAINS</topic><topic>STRESS RELAXATION</topic><topic>STRESSES</topic><topic>SUBSTRATES</topic><topic>Technical ceramics</topic><topic>TEMPERATURE DEPENDENCE</topic><topic>TIME DEPENDENCE</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Morscher, Gregory N.</creatorcontrib><creatorcontrib>Lewinsohn, Charles A.</creatorcontrib><creatorcontrib>Bakis, Charles E.</creatorcontrib><creatorcontrib>Tressler, Richard E.</creatorcontrib><creatorcontrib>Wagner, Timothy</creatorcontrib><collection>Istex</collection><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Technology Research Database</collection><collection>Aerospace Database</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>Engineered Materials Abstracts</collection><collection>Materials Research Database</collection><collection>Ceramic Abstracts</collection><collection>OSTI.GOV</collection><jtitle>Journal of the American Ceramic Society</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Morscher, Gregory N.</au><au>Lewinsohn, Charles A.</au><au>Bakis, Charles E.</au><au>Tressler, Richard E.</au><au>Wagner, Timothy</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Comparison of Bend Stress Relaxation and Tensile Creep of CVD SiC Fibers</atitle><jtitle>Journal of the American Ceramic Society</jtitle><date>1995-12</date><risdate>1995</risdate><volume>78</volume><issue>12</issue><spage>3244</spage><epage>3252</epage><pages>3244-3252</pages><issn>0002-7820</issn><eissn>1551-2916</eissn><coden>JACTAW</coden><abstract>Three different CVD SiC fibers were tested for bend stress relaxation (BSR) and tensile creep over a wide range of temperatures, times, and stresses. Primary creep was always observed, even for creep strains on the order of 2%. The BSR and tensile creep results were compared using simple linear viscoelastic principles. It was found that BSR results could predict the same time and temperature dependence as tensile creep; however, BSR‐predicted creep strains usually overestimated the magnitude of tensile creep strain. The time, temperature, and stress dependence were determined for all the fibers for the experimental conditions of this study. Some of the primary creep behavior can be explained by load‐sharing effects between the core and the CVD SiC substrate and some microstructural changes; however, the extent of primary creep cannot fully be accounted for from this work.</abstract><cop>Oxford, UK</cop><pub>Blackwell Publishing Ltd</pub><doi>10.1111/j.1151-2916.1995.tb07960.x</doi><tpages>9</tpages></addata></record> |
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| source | Wiley Online Library Journals Frontfile Complete |
| subjects | Applied sciences Building materials. Ceramics. Glasses CARBON Ceramic and carbon fibers Ceramic industries Chemical industry and chemicals CORRELATIONS CREEP Exact sciences and technology LAYERS MATERIALS SCIENCE SILICON CARBIDES STRAINS STRESS RELAXATION STRESSES SUBSTRATES Technical ceramics TEMPERATURE DEPENDENCE TIME DEPENDENCE |
| title | Comparison of Bend Stress Relaxation and Tensile Creep of CVD SiC Fibers |
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