Evaluation of Brazed Silicon Nitride Joints: Microstructure and Mechanical Properties
Sintered Si3N4 has been bonded to itself and to AISI 316 steel by the active‐metal brazing route. A commercial Ag‐35Cu‐1.6Ti filler has been used with joining taking place during a 30 min hold at 850°C under vacuum. Si3N4/ Si3N4 joints have been produced with strength distribution (average bend stre...
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| Veröffentlicht in: | Journal of the American Ceramic Society 1996-06, Vol.79 (6), p.1553-1562 |
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| container_title | Journal of the American Ceramic Society |
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| creator | Peteves, Stathis D. Nicholas, Michael G. |
| description | Sintered Si3N4 has been bonded to itself and to AISI 316 steel by the active‐metal brazing route. A commercial Ag‐35Cu‐1.6Ti filler has been used with joining taking place during a 30 min hold at 850°C under vacuum. Si3N4/ Si3N4 joints have been produced with strength distribution (average bend strength = 773.5 MPa, Weibull modulus = 11.2) similar to that of the monolithic ceramic. Direct brazing of the Si3N4 to AISI 316 steel was unsuccessful. However, reliably strong (bend strength of 250–400 MPa) ceramic/ steel joints with 20 × 20 mm2 cross sections were fabricated by using Cu, Mo, or Nb interlayers. The most potent inter‐layer used in this work was Mo, whose coefficient of thermal expansion matches best that of the ceramic. |
| doi_str_mv | 10.1111/j.1151-2916.1996.tb08764.x |
| format | Article |
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A commercial Ag‐35Cu‐1.6Ti filler has been used with joining taking place during a 30 min hold at 850°C under vacuum. Si3N4/ Si3N4 joints have been produced with strength distribution (average bend strength = 773.5 MPa, Weibull modulus = 11.2) similar to that of the monolithic ceramic. Direct brazing of the Si3N4 to AISI 316 steel was unsuccessful. However, reliably strong (bend strength of 250–400 MPa) ceramic/ steel joints with 20 × 20 mm2 cross sections were fabricated by using Cu, Mo, or Nb interlayers. The most potent inter‐layer used in this work was Mo, whose coefficient of thermal expansion matches best that of the ceramic.</description><identifier>ISSN: 0002-7820</identifier><identifier>EISSN: 1551-2916</identifier><identifier>DOI: 10.1111/j.1151-2916.1996.tb08764.x</identifier><identifier>CODEN: JACTAW</identifier><language>eng</language><publisher>Oxford, UK: Blackwell Publishing Ltd</publisher><subject>Applied sciences ; BRAZED JOINTS ; Building materials. Ceramics. 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A commercial Ag‐35Cu‐1.6Ti filler has been used with joining taking place during a 30 min hold at 850°C under vacuum. Si3N4/ Si3N4 joints have been produced with strength distribution (average bend strength = 773.5 MPa, Weibull modulus = 11.2) similar to that of the monolithic ceramic. Direct brazing of the Si3N4 to AISI 316 steel was unsuccessful. However, reliably strong (bend strength of 250–400 MPa) ceramic/ steel joints with 20 × 20 mm2 cross sections were fabricated by using Cu, Mo, or Nb interlayers. The most potent inter‐layer used in this work was Mo, whose coefficient of thermal expansion matches best that of the ceramic.</description><subject>Applied sciences</subject><subject>BRAZED JOINTS</subject><subject>Building materials. Ceramics. Glasses</subject><subject>Ceramic industries</subject><subject>Chemical industry and chemicals</subject><subject>COMPOSITE MATERIALS</subject><subject>COPPER</subject><subject>Exact sciences and technology</subject><subject>FLEXURAL STRENGTH</subject><subject>INTERFACES</subject><subject>LAYERS</subject><subject>LIQUID METALS</subject><subject>MATERIALS SCIENCE</subject><subject>MECHANICAL PROPERTIES</subject><subject>MICROSTRUCTURE</subject><subject>MOLYBDENUM</subject><subject>NIOBIUM</subject><subject>SILICON NITRIDES</subject><subject>SILVER</subject><subject>STAINLESS STEEL-316</subject><subject>Structural ceramics</subject><subject>Technical ceramics</subject><subject>THERMAL EXPANSION</subject><subject>TITANIUM</subject><subject>WETTABILITY</subject><issn>0002-7820</issn><issn>1551-2916</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1996</creationdate><recordtype>article</recordtype><recordid>eNqVkV9v0zAUxS0EEmXwHQJCvKWzY8eO98RWdRtbNybBtMcr13-ES5YU22HdPj2OUu15-OXK9s_nXp-D0CeC5ySvw00uNSkrSficSMnnaY0bwdl89wrNSL2_eo1mGOOqFE2F36J3MW7ylsiGzdDt8q9qB5V83xW9K06CerKm-OFbr_PJtU_BG1tc9L5L8ai48jr0MYVBpyHYQnWmuLL6l-q8Vm1xE_qtDcnb-B69caqN9sO-HqDb0-XPxXm5-n72bXG8KnVNJS0dNbKWRjLBqDa1co4JXDmmNDYKGyGolfVa5i9W0mgshWi0aqgjWBq6xpQeoI-Tbh7KQ9Q-5Wny4J3VCSpBOJeZ-TIx29D_GWxMcO-jtm2rOtsPESrOaCPZy0DBapHBowkczYjBOtgGf6_CIxAMYyywgTEWGL2HMRbYxwK7_PjzvouK2TQXVKd9fFaghPAG84x9nbAH39rH_2gAF8eLZU5-NKecJHxMdvcsocJv4IKKGu6uz2B12SzuTtgNnNN_Blew5Q</recordid><startdate>199606</startdate><enddate>199606</enddate><creator>Peteves, Stathis D.</creator><creator>Nicholas, Michael G.</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>OTOTI</scope></search><sort><creationdate>199606</creationdate><title>Evaluation of Brazed Silicon Nitride Joints: Microstructure and Mechanical Properties</title><author>Peteves, Stathis D. ; Nicholas, Michael G.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c5393-f3d959d94743cd5aff4702f4ac0da0d773e95b911529dc09778ca83f109d3b033</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1996</creationdate><topic>Applied sciences</topic><topic>BRAZED JOINTS</topic><topic>Building materials. Ceramics. Glasses</topic><topic>Ceramic industries</topic><topic>Chemical industry and chemicals</topic><topic>COMPOSITE MATERIALS</topic><topic>COPPER</topic><topic>Exact sciences and technology</topic><topic>FLEXURAL STRENGTH</topic><topic>INTERFACES</topic><topic>LAYERS</topic><topic>LIQUID METALS</topic><topic>MATERIALS SCIENCE</topic><topic>MECHANICAL PROPERTIES</topic><topic>MICROSTRUCTURE</topic><topic>MOLYBDENUM</topic><topic>NIOBIUM</topic><topic>SILICON NITRIDES</topic><topic>SILVER</topic><topic>STAINLESS STEEL-316</topic><topic>Structural ceramics</topic><topic>Technical ceramics</topic><topic>THERMAL EXPANSION</topic><topic>TITANIUM</topic><topic>WETTABILITY</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Peteves, Stathis D.</creatorcontrib><creatorcontrib>Nicholas, Michael G.</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>OSTI.GOV</collection><jtitle>Journal of the American Ceramic Society</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Peteves, Stathis D.</au><au>Nicholas, Michael G.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Evaluation of Brazed Silicon Nitride Joints: Microstructure and Mechanical Properties</atitle><jtitle>Journal of the American Ceramic Society</jtitle><date>1996-06</date><risdate>1996</risdate><volume>79</volume><issue>6</issue><spage>1553</spage><epage>1562</epage><pages>1553-1562</pages><issn>0002-7820</issn><eissn>1551-2916</eissn><coden>JACTAW</coden><abstract>Sintered Si3N4 has been bonded to itself and to AISI 316 steel by the active‐metal brazing route. A commercial Ag‐35Cu‐1.6Ti filler has been used with joining taking place during a 30 min hold at 850°C under vacuum. Si3N4/ Si3N4 joints have been produced with strength distribution (average bend strength = 773.5 MPa, Weibull modulus = 11.2) similar to that of the monolithic ceramic. Direct brazing of the Si3N4 to AISI 316 steel was unsuccessful. However, reliably strong (bend strength of 250–400 MPa) ceramic/ steel joints with 20 × 20 mm2 cross sections were fabricated by using Cu, Mo, or Nb interlayers. The most potent inter‐layer used in this work was Mo, whose coefficient of thermal expansion matches best that of the ceramic.</abstract><cop>Oxford, UK</cop><pub>Blackwell Publishing Ltd</pub><doi>10.1111/j.1151-2916.1996.tb08764.x</doi><tpages>10</tpages></addata></record> |
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| ispartof | Journal of the American Ceramic Society, 1996-06, Vol.79 (6), p.1553-1562 |
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| language | eng |
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| source | Wiley Online Library |
| subjects | Applied sciences BRAZED JOINTS Building materials. Ceramics. Glasses Ceramic industries Chemical industry and chemicals COMPOSITE MATERIALS COPPER Exact sciences and technology FLEXURAL STRENGTH INTERFACES LAYERS LIQUID METALS MATERIALS SCIENCE MECHANICAL PROPERTIES MICROSTRUCTURE MOLYBDENUM NIOBIUM SILICON NITRIDES SILVER STAINLESS STEEL-316 Structural ceramics Technical ceramics THERMAL EXPANSION TITANIUM WETTABILITY |
| title | Evaluation of Brazed Silicon Nitride Joints: Microstructure and Mechanical Properties |
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