Influence of heat treatments on the corrosion mechanism of additive manufactured AlSi10Mg
•Heat treatments progressively destroy the initially continuous silicon network.•The corrosion mechanism changes when the silicon network becomes discontinuous.•Melt pool borders play a key role in the corrosion mechanism. This study focuses on the effect of heat treatments on the microstructure and...
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| Veröffentlicht in: | Corrosion science 2019-02, Vol.147, p.406-415 |
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| container_title | Corrosion science |
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| creator | Rubben, Tim Revilla, Reynier I. De Graeve, Iris |
| description | •Heat treatments progressively destroy the initially continuous silicon network.•The corrosion mechanism changes when the silicon network becomes discontinuous.•Melt pool borders play a key role in the corrosion mechanism.
This study focuses on the effect of heat treatments on the microstructure and corrosion behaviour of additive manufactured AlSi10Mg specimens. Non heat treated, artificially aged and stress released specimens were studied. The microstructure showed an evolution from cellular aluminium cells surrounded by a 3D network of fibrous eutectic silicon phase to coarse separated silicon particles. The corrosion behaviour was found to change with the heat treatments. Untreated and artificially aged specimens showed superficial corrosion attacks with microcrack formation while stress released specimens showed penetrating attacks without microcrack formation. Mechanisms were proposed for the microstructure evolution and the different corrosion behaviours. |
| doi_str_mv | 10.1016/j.corsci.2018.11.038 |
| format | Article |
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This study focuses on the effect of heat treatments on the microstructure and corrosion behaviour of additive manufactured AlSi10Mg specimens. Non heat treated, artificially aged and stress released specimens were studied. The microstructure showed an evolution from cellular aluminium cells surrounded by a 3D network of fibrous eutectic silicon phase to coarse separated silicon particles. The corrosion behaviour was found to change with the heat treatments. Untreated and artificially aged specimens showed superficial corrosion attacks with microcrack formation while stress released specimens showed penetrating attacks without microcrack formation. Mechanisms were proposed for the microstructure evolution and the different corrosion behaviours.</description><identifier>ISSN: 0010-938X</identifier><identifier>EISSN: 1879-0496</identifier><identifier>DOI: 10.1016/j.corsci.2018.11.038</identifier><language>eng</language><publisher>Amsterdam: Elsevier Ltd</publisher><subject>A. Aluminium alloy ; A. Selective laser melting (SLM) ; Aluminum base alloys ; B. Atomic force microscopy (AFM) ; B. Polarization ; B. Scanning electron microscopy (SEM) ; Corrosion ; Corrosion effects ; Corrosion mechanisms ; Evolution ; Heat treating ; Heat treatment ; Microcracks ; Microstructure ; Silicon</subject><ispartof>Corrosion science, 2019-02, Vol.147, p.406-415</ispartof><rights>2018 Elsevier Ltd</rights><rights>Copyright Elsevier BV Feb 2019</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c446t-448e49e25a16a302433a46804252c831fa0ab46cc96a6ff89e57ace6750791fd3</citedby><cites>FETCH-LOGICAL-c446t-448e49e25a16a302433a46804252c831fa0ab46cc96a6ff89e57ace6750791fd3</cites><orcidid>0000-0002-5324-3677</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S0010938X1831638X$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,776,780,3536,27903,27904,65309</link.rule.ids></links><search><creatorcontrib>Rubben, Tim</creatorcontrib><creatorcontrib>Revilla, Reynier I.</creatorcontrib><creatorcontrib>De Graeve, Iris</creatorcontrib><title>Influence of heat treatments on the corrosion mechanism of additive manufactured AlSi10Mg</title><title>Corrosion science</title><description>•Heat treatments progressively destroy the initially continuous silicon network.•The corrosion mechanism changes when the silicon network becomes discontinuous.•Melt pool borders play a key role in the corrosion mechanism.
This study focuses on the effect of heat treatments on the microstructure and corrosion behaviour of additive manufactured AlSi10Mg specimens. Non heat treated, artificially aged and stress released specimens were studied. The microstructure showed an evolution from cellular aluminium cells surrounded by a 3D network of fibrous eutectic silicon phase to coarse separated silicon particles. The corrosion behaviour was found to change with the heat treatments. Untreated and artificially aged specimens showed superficial corrosion attacks with microcrack formation while stress released specimens showed penetrating attacks without microcrack formation. Mechanisms were proposed for the microstructure evolution and the different corrosion behaviours.</description><subject>A. Aluminium alloy</subject><subject>A. Selective laser melting (SLM)</subject><subject>Aluminum base alloys</subject><subject>B. Atomic force microscopy (AFM)</subject><subject>B. Polarization</subject><subject>B. Scanning electron microscopy (SEM)</subject><subject>Corrosion</subject><subject>Corrosion effects</subject><subject>Corrosion mechanisms</subject><subject>Evolution</subject><subject>Heat treating</subject><subject>Heat treatment</subject><subject>Microcracks</subject><subject>Microstructure</subject><subject>Silicon</subject><issn>0010-938X</issn><issn>1879-0496</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2019</creationdate><recordtype>article</recordtype><recordid>eNp9kE1LxDAQhoMouK7-Aw8Fz62TNk3Ti7AsfiwoHlTQU4jpxE3ZtmuSLvjvTalnLzMMPPMO8xBySSGjQPl1m-nBeW2zHKjIKM2gEEdkQUVVp8BqfkwWABTSuhDvp-TM-xYAIgsL8rHpzW7EXmMymGSLKiTBxdphH3wy9EnYYhLT3eBtnDrUW9Vb3020ahob7AGTTvWjUTqMDptktXuxFJ6-zsmJUTuPF399Sd7ubl_XD-nj8_1mvXpMNWM8pIwJZDXmpaJcFZCzolCMC2B5mWtRUKNAfTKudc0VN0bUWFZKI69KqGpqmmJJrubcvRu-R_RBtsPo-nhS5lSAKHjJeKTYTOn4iXdo5N7ZTrkfSUFOEmUrZ4lykigplVFiXLuZ1zB-cLDoZCQmW411qINsBvt_wC-Xlnxg</recordid><startdate>201902</startdate><enddate>201902</enddate><creator>Rubben, Tim</creator><creator>Revilla, Reynier I.</creator><creator>De Graeve, Iris</creator><general>Elsevier Ltd</general><general>Elsevier BV</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SE</scope><scope>8BQ</scope><scope>8FD</scope><scope>F28</scope><scope>FR3</scope><scope>JG9</scope><orcidid>https://orcid.org/0000-0002-5324-3677</orcidid></search><sort><creationdate>201902</creationdate><title>Influence of heat treatments on the corrosion mechanism of additive manufactured AlSi10Mg</title><author>Rubben, Tim ; Revilla, Reynier I. ; De Graeve, Iris</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c446t-448e49e25a16a302433a46804252c831fa0ab46cc96a6ff89e57ace6750791fd3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2019</creationdate><topic>A. Aluminium alloy</topic><topic>A. Selective laser melting (SLM)</topic><topic>Aluminum base alloys</topic><topic>B. Atomic force microscopy (AFM)</topic><topic>B. Polarization</topic><topic>B. Scanning electron microscopy (SEM)</topic><topic>Corrosion</topic><topic>Corrosion effects</topic><topic>Corrosion mechanisms</topic><topic>Evolution</topic><topic>Heat treating</topic><topic>Heat treatment</topic><topic>Microcracks</topic><topic>Microstructure</topic><topic>Silicon</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Rubben, Tim</creatorcontrib><creatorcontrib>Revilla, Reynier I.</creatorcontrib><creatorcontrib>De Graeve, Iris</creatorcontrib><collection>CrossRef</collection><collection>Corrosion Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>ANTE: Abstracts in New Technology & Engineering</collection><collection>Engineering Research Database</collection><collection>Materials Research Database</collection><jtitle>Corrosion science</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Rubben, Tim</au><au>Revilla, Reynier I.</au><au>De Graeve, Iris</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Influence of heat treatments on the corrosion mechanism of additive manufactured AlSi10Mg</atitle><jtitle>Corrosion science</jtitle><date>2019-02</date><risdate>2019</risdate><volume>147</volume><spage>406</spage><epage>415</epage><pages>406-415</pages><issn>0010-938X</issn><eissn>1879-0496</eissn><abstract>•Heat treatments progressively destroy the initially continuous silicon network.•The corrosion mechanism changes when the silicon network becomes discontinuous.•Melt pool borders play a key role in the corrosion mechanism.
This study focuses on the effect of heat treatments on the microstructure and corrosion behaviour of additive manufactured AlSi10Mg specimens. Non heat treated, artificially aged and stress released specimens were studied. The microstructure showed an evolution from cellular aluminium cells surrounded by a 3D network of fibrous eutectic silicon phase to coarse separated silicon particles. The corrosion behaviour was found to change with the heat treatments. Untreated and artificially aged specimens showed superficial corrosion attacks with microcrack formation while stress released specimens showed penetrating attacks without microcrack formation. Mechanisms were proposed for the microstructure evolution and the different corrosion behaviours.</abstract><cop>Amsterdam</cop><pub>Elsevier Ltd</pub><doi>10.1016/j.corsci.2018.11.038</doi><tpages>10</tpages><orcidid>https://orcid.org/0000-0002-5324-3677</orcidid><oa>free_for_read</oa></addata></record> |
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| ispartof | Corrosion science, 2019-02, Vol.147, p.406-415 |
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| language | eng |
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| source | Elsevier ScienceDirect Journals |
| subjects | A. Aluminium alloy A. Selective laser melting (SLM) Aluminum base alloys B. Atomic force microscopy (AFM) B. Polarization B. Scanning electron microscopy (SEM) Corrosion Corrosion effects Corrosion mechanisms Evolution Heat treating Heat treatment Microcracks Microstructure Silicon |
| title | Influence of heat treatments on the corrosion mechanism of additive manufactured AlSi10Mg |
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