Influence of characteristic eutectic free microstructure on mechanical and corrosion response of spark plasma sintered hypereutectic Al-Si alloy
•Hypereutectic Al-Si processed through spark plasma sintering (SPS) and cast route.•Interfacial eutectic melting in SPS produces microstructure different from cast.•Finer eutectic Si in SPSed microstructure substantially enhances the failure strain.•SPSed microstructure prevents anodic dissolution a...
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| Veröffentlicht in: | Materials letters 2022-02, Vol.308, p.131104, Article 131104 |
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| container_start_page | 131104 |
| container_title | Materials letters |
| container_volume | 308 |
| creator | Saravanan, T.T. Kamaraj, M. Sharma, S.C. Anoop, S. Manwatkar, Sushant K. Ravikanth, K.V. Venugopal, A. Kumaran, S. |
| description | •Hypereutectic Al-Si processed through spark plasma sintering (SPS) and cast route.•Interfacial eutectic melting in SPS produces microstructure different from cast.•Finer eutectic Si in SPSed microstructure substantially enhances the failure strain.•SPSed microstructure prevents anodic dissolution and improves corrosion resistance.
Spark plasma sintered hypereutectic Al-Si alloy, free from characteristic eutectic microstructure was evaluated for its mechanical and corrosion behaviour in comparison with conventional cast microstructure having coarser primary Si and acicular eutectic Si. In SPSed microstructure, Al region free from acicular eutectic imparts substantial failure strain under compression loading. Absence of coarser primary Si and acicular eutectic Si in SPSed microstructure prevents the rate of anodic dissolution, specifically at the Al-Si interface and enhances corrosion resistance than the cast microstructure in 3.5 wt% NaCl corrosive medium. |
| doi_str_mv | 10.1016/j.matlet.2021.131104 |
| format | Article |
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Spark plasma sintered hypereutectic Al-Si alloy, free from characteristic eutectic microstructure was evaluated for its mechanical and corrosion behaviour in comparison with conventional cast microstructure having coarser primary Si and acicular eutectic Si. In SPSed microstructure, Al region free from acicular eutectic imparts substantial failure strain under compression loading. Absence of coarser primary Si and acicular eutectic Si in SPSed microstructure prevents the rate of anodic dissolution, specifically at the Al-Si interface and enhances corrosion resistance than the cast microstructure in 3.5 wt% NaCl corrosive medium.</description><identifier>ISSN: 0167-577X</identifier><identifier>EISSN: 1873-4979</identifier><identifier>DOI: 10.1016/j.matlet.2021.131104</identifier><language>eng</language><publisher>Amsterdam: Elsevier B.V</publisher><subject>Aluminum base alloys ; Anodic dissolution ; Compression loads ; Corrosion ; Corrosion resistance ; Dissolution ; Eutectic alloys ; Eutectics ; Hypereutectic ; Interfaces ; Materials science ; Microstructure ; Silicon ; Spark plasma sintering ; Wetting</subject><ispartof>Materials letters, 2022-02, Vol.308, p.131104, Article 131104</ispartof><rights>2021 Elsevier B.V.</rights><rights>Copyright Elsevier BV Feb 1, 2022</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c334t-6104254dbeec5f7884cc51476bc9ccb07856ed77abf9d0ccbc4abb871228a4c63</citedby><cites>FETCH-LOGICAL-c334t-6104254dbeec5f7884cc51476bc9ccb07856ed77abf9d0ccbc4abb871228a4c63</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.matlet.2021.131104$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3550,27924,27925,45995</link.rule.ids></links><search><creatorcontrib>Saravanan, T.T.</creatorcontrib><creatorcontrib>Kamaraj, M.</creatorcontrib><creatorcontrib>Sharma, S.C.</creatorcontrib><creatorcontrib>Anoop, S.</creatorcontrib><creatorcontrib>Manwatkar, Sushant K.</creatorcontrib><creatorcontrib>Ravikanth, K.V.</creatorcontrib><creatorcontrib>Venugopal, A.</creatorcontrib><creatorcontrib>Kumaran, S.</creatorcontrib><title>Influence of characteristic eutectic free microstructure on mechanical and corrosion response of spark plasma sintered hypereutectic Al-Si alloy</title><title>Materials letters</title><description>•Hypereutectic Al-Si processed through spark plasma sintering (SPS) and cast route.•Interfacial eutectic melting in SPS produces microstructure different from cast.•Finer eutectic Si in SPSed microstructure substantially enhances the failure strain.•SPSed microstructure prevents anodic dissolution and improves corrosion resistance.
Spark plasma sintered hypereutectic Al-Si alloy, free from characteristic eutectic microstructure was evaluated for its mechanical and corrosion behaviour in comparison with conventional cast microstructure having coarser primary Si and acicular eutectic Si. In SPSed microstructure, Al region free from acicular eutectic imparts substantial failure strain under compression loading. Absence of coarser primary Si and acicular eutectic Si in SPSed microstructure prevents the rate of anodic dissolution, specifically at the Al-Si interface and enhances corrosion resistance than the cast microstructure in 3.5 wt% NaCl corrosive medium.</description><subject>Aluminum base alloys</subject><subject>Anodic dissolution</subject><subject>Compression loads</subject><subject>Corrosion</subject><subject>Corrosion resistance</subject><subject>Dissolution</subject><subject>Eutectic alloys</subject><subject>Eutectics</subject><subject>Hypereutectic</subject><subject>Interfaces</subject><subject>Materials science</subject><subject>Microstructure</subject><subject>Silicon</subject><subject>Spark plasma sintering</subject><subject>Wetting</subject><issn>0167-577X</issn><issn>1873-4979</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2022</creationdate><recordtype>article</recordtype><recordid>eNp9kM1KxDAUhYMoOI6-gYuA645JmzbtRhgG_2DAhQruQnp7y2Tsn0kqzFv4yKZWt67u5eacE85HyCVnK854dr1ftdo36Fcxi_mKJ5wzcUQWPJdJJApZHJNFkMkolfLtlJw5t2eMiYKJBfl67OpmxA6Q9jWFnbYaPFrjvAGKo0eYltoi0taA7Z23I_jRBnlHWwyGzoBuqO4qCr0NAhMeLLqh79xPphu0fadDo12rqTNdSMeK7g5DmH_56yZ6NlQ3TX84Jye1bhxe_M4leb27fdk8RNun-8fNehtBkggfZaFinIqqRIS0lnkuAFIuZFZCAVAymacZVlLqsi4qFi4gdFnmksdxrgVkyZJczbmD7T9GdF7t-9F24UsVZ7Eo8rRI4qASs2qq7izWarCm1fagOFMTe7VXM3s1sVcz-2C7mW0YGnwatMqBmSBXxobGqurN_wHfDuGTWg</recordid><startdate>20220201</startdate><enddate>20220201</enddate><creator>Saravanan, T.T.</creator><creator>Kamaraj, M.</creator><creator>Sharma, S.C.</creator><creator>Anoop, S.</creator><creator>Manwatkar, Sushant K.</creator><creator>Ravikanth, K.V.</creator><creator>Venugopal, A.</creator><creator>Kumaran, S.</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></search><sort><creationdate>20220201</creationdate><title>Influence of characteristic eutectic free microstructure on mechanical and corrosion response of spark plasma sintered hypereutectic Al-Si alloy</title><author>Saravanan, T.T. ; Kamaraj, M. ; Sharma, S.C. ; Anoop, S. ; Manwatkar, Sushant K. ; Ravikanth, K.V. ; Venugopal, A. ; Kumaran, S.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c334t-6104254dbeec5f7884cc51476bc9ccb07856ed77abf9d0ccbc4abb871228a4c63</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2022</creationdate><topic>Aluminum base alloys</topic><topic>Anodic dissolution</topic><topic>Compression loads</topic><topic>Corrosion</topic><topic>Corrosion resistance</topic><topic>Dissolution</topic><topic>Eutectic alloys</topic><topic>Eutectics</topic><topic>Hypereutectic</topic><topic>Interfaces</topic><topic>Materials science</topic><topic>Microstructure</topic><topic>Silicon</topic><topic>Spark plasma sintering</topic><topic>Wetting</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Saravanan, T.T.</creatorcontrib><creatorcontrib>Kamaraj, M.</creatorcontrib><creatorcontrib>Sharma, S.C.</creatorcontrib><creatorcontrib>Anoop, S.</creatorcontrib><creatorcontrib>Manwatkar, Sushant K.</creatorcontrib><creatorcontrib>Ravikanth, K.V.</creatorcontrib><creatorcontrib>Venugopal, A.</creatorcontrib><creatorcontrib>Kumaran, S.</creatorcontrib><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>Materials letters</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Saravanan, T.T.</au><au>Kamaraj, M.</au><au>Sharma, S.C.</au><au>Anoop, S.</au><au>Manwatkar, Sushant K.</au><au>Ravikanth, K.V.</au><au>Venugopal, A.</au><au>Kumaran, S.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Influence of characteristic eutectic free microstructure on mechanical and corrosion response of spark plasma sintered hypereutectic Al-Si alloy</atitle><jtitle>Materials letters</jtitle><date>2022-02-01</date><risdate>2022</risdate><volume>308</volume><spage>131104</spage><pages>131104-</pages><artnum>131104</artnum><issn>0167-577X</issn><eissn>1873-4979</eissn><abstract>•Hypereutectic Al-Si processed through spark plasma sintering (SPS) and cast route.•Interfacial eutectic melting in SPS produces microstructure different from cast.•Finer eutectic Si in SPSed microstructure substantially enhances the failure strain.•SPSed microstructure prevents anodic dissolution and improves corrosion resistance.
Spark plasma sintered hypereutectic Al-Si alloy, free from characteristic eutectic microstructure was evaluated for its mechanical and corrosion behaviour in comparison with conventional cast microstructure having coarser primary Si and acicular eutectic Si. In SPSed microstructure, Al region free from acicular eutectic imparts substantial failure strain under compression loading. Absence of coarser primary Si and acicular eutectic Si in SPSed microstructure prevents the rate of anodic dissolution, specifically at the Al-Si interface and enhances corrosion resistance than the cast microstructure in 3.5 wt% NaCl corrosive medium.</abstract><cop>Amsterdam</cop><pub>Elsevier B.V</pub><doi>10.1016/j.matlet.2021.131104</doi></addata></record> |
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| ispartof | Materials letters, 2022-02, Vol.308, p.131104, Article 131104 |
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| subjects | Aluminum base alloys Anodic dissolution Compression loads Corrosion Corrosion resistance Dissolution Eutectic alloys Eutectics Hypereutectic Interfaces Materials science Microstructure Silicon Spark plasma sintering Wetting |
| title | Influence of characteristic eutectic free microstructure on mechanical and corrosion response of spark plasma sintered hypereutectic Al-Si alloy |
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