Effect of polarizations on Sn–Zn solders alloys in alkaline electrolyte
•Sn–9Zn solder was polarized at different scanning rates in 6M KOH.•Dissolution of Zn was found to dominate the initial corrosion reactions of Sn–9Zn.•Lamellar-like grooves were formed resulted from the preferential dissolution of Zn.•Presence of grooves act as weak spots that reduce the ultimate te...
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Veröffentlicht in: | Journal of alloys and compounds 2014-09, Vol.606, p.278-287 |
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container_title | Journal of alloys and compounds |
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creator | Nazeri, Muhammad Firdaus Mohd Ismail, Ahmad Badri Mohamad, Ahmad Azmin |
description | •Sn–9Zn solder was polarized at different scanning rates in 6M KOH.•Dissolution of Zn was found to dominate the initial corrosion reactions of Sn–9Zn.•Lamellar-like grooves were formed resulted from the preferential dissolution of Zn.•Presence of grooves act as weak spots that reduce the ultimate tensile strength.
The corrosion properties of Sn–9Zn lead-free solder was studied through potentiodynamic polarization in 6M potassium hydroxide at different scanning rates. The corrosion rates of Sn–9Zn solder remained nearly constant at 2.1×10−4Acm−2 from scan rates of 2.0mVs−1 to 3.5mVs−1 before significantly increasing as the rates increased to higher than 3.5mVs−1. The morphological analysis showed that two distinctive structures of a lamellar-like groove and irregularly shaped corrosion product compounds co-existed on the solder surface after being polarized at different rates. In addition, phase and elemental analyses revealed the formation of mixed corrosion products of SnO, SnO2, and ZnO on the surface after polarization. Moreover, the ultimate tensile stress endured by the solder joint decreased by 26% after polarization. |
doi_str_mv | 10.1016/j.jallcom.2014.04.034 |
format | Article |
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The corrosion properties of Sn–9Zn lead-free solder was studied through potentiodynamic polarization in 6M potassium hydroxide at different scanning rates. The corrosion rates of Sn–9Zn solder remained nearly constant at 2.1×10−4Acm−2 from scan rates of 2.0mVs−1 to 3.5mVs−1 before significantly increasing as the rates increased to higher than 3.5mVs−1. The morphological analysis showed that two distinctive structures of a lamellar-like groove and irregularly shaped corrosion product compounds co-existed on the solder surface after being polarized at different rates. In addition, phase and elemental analyses revealed the formation of mixed corrosion products of SnO, SnO2, and ZnO on the surface after polarization. Moreover, the ultimate tensile stress endured by the solder joint decreased by 26% after polarization.</description><identifier>ISSN: 0925-8388</identifier><identifier>EISSN: 1873-4669</identifier><identifier>DOI: 10.1016/j.jallcom.2014.04.034</identifier><language>eng</language><publisher>Kidlington: Elsevier B.V</publisher><subject>Alloys ; Applied sciences ; Corrosion ; Corrosion environments ; Corrosion products ; Corrosion rate ; Durability ; Exact sciences and technology ; Lamellar structure ; Mechanical properties ; Metals. Metallurgy ; Polarization ; Scan rate ; Sn–9Zn ; Solder ; Solders ; Tin ; Tin base alloys</subject><ispartof>Journal of alloys and compounds, 2014-09, Vol.606, p.278-287</ispartof><rights>2014 Elsevier B.V.</rights><rights>2015 INIST-CNRS</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c485t-73ca9e62e7b33de5fe3bce5b60804fc1bf58d76e106cc86f81f59814f48a5f813</citedby><cites>FETCH-LOGICAL-c485t-73ca9e62e7b33de5fe3bce5b60804fc1bf58d76e106cc86f81f59814f48a5f813</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.jallcom.2014.04.034$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,778,782,3539,27911,27912,45982</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=28503001$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Nazeri, Muhammad Firdaus Mohd</creatorcontrib><creatorcontrib>Ismail, Ahmad Badri</creatorcontrib><creatorcontrib>Mohamad, Ahmad Azmin</creatorcontrib><title>Effect of polarizations on Sn–Zn solders alloys in alkaline electrolyte</title><title>Journal of alloys and compounds</title><description>•Sn–9Zn solder was polarized at different scanning rates in 6M KOH.•Dissolution of Zn was found to dominate the initial corrosion reactions of Sn–9Zn.•Lamellar-like grooves were formed resulted from the preferential dissolution of Zn.•Presence of grooves act as weak spots that reduce the ultimate tensile strength.
The corrosion properties of Sn–9Zn lead-free solder was studied through potentiodynamic polarization in 6M potassium hydroxide at different scanning rates. The corrosion rates of Sn–9Zn solder remained nearly constant at 2.1×10−4Acm−2 from scan rates of 2.0mVs−1 to 3.5mVs−1 before significantly increasing as the rates increased to higher than 3.5mVs−1. The morphological analysis showed that two distinctive structures of a lamellar-like groove and irregularly shaped corrosion product compounds co-existed on the solder surface after being polarized at different rates. In addition, phase and elemental analyses revealed the formation of mixed corrosion products of SnO, SnO2, and ZnO on the surface after polarization. Moreover, the ultimate tensile stress endured by the solder joint decreased by 26% after polarization.</description><subject>Alloys</subject><subject>Applied sciences</subject><subject>Corrosion</subject><subject>Corrosion environments</subject><subject>Corrosion products</subject><subject>Corrosion rate</subject><subject>Durability</subject><subject>Exact sciences and technology</subject><subject>Lamellar structure</subject><subject>Mechanical properties</subject><subject>Metals. Metallurgy</subject><subject>Polarization</subject><subject>Scan rate</subject><subject>Sn–9Zn</subject><subject>Solder</subject><subject>Solders</subject><subject>Tin</subject><subject>Tin base alloys</subject><issn>0925-8388</issn><issn>1873-4669</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2014</creationdate><recordtype>article</recordtype><recordid>eNqFkMtKBDEQRYMoOD4-QeiN4KbbpPPo9EpEfAwILtSNm5BJVyBjJhmTVhhX_oN_6JeYYQa3QkFVwb11qYPQCcENwUScz5u59t7ERdNiwhpcirIdNCGyozUTot9FE9y3vJZUyn10kPMcY0x6SiZoem0tmLGKtlpGr5P71KOLIVcxVI_h5-v7JVQ5-gFSrkpIXOXKhTK9au8CVOCLOUW_GuEI7VntMxxv-yF6vrl-urqr7x9up1eX97Vhko91R43uQbTQzSgdgFugMwN8JrDEzBoys1wOnQCChTFSWEks7yVhlknNy0YP0dnm7jLFt3fIo1q4bMB7HSC-Z0VERzhpWSeKlG-kJsWcE1i1TG6h00oRrNbo1Fxt0ak1OoVLUVZ8p9sInY32NulgXP4zt5JjWgAW3cVGB-XfDwdJZeMgGBhcKlzUEN0_Sb-Hv4iM</recordid><startdate>20140905</startdate><enddate>20140905</enddate><creator>Nazeri, Muhammad Firdaus Mohd</creator><creator>Ismail, Ahmad Badri</creator><creator>Mohamad, Ahmad Azmin</creator><general>Elsevier B.V</general><general>Elsevier</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SE</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope></search><sort><creationdate>20140905</creationdate><title>Effect of polarizations on Sn–Zn solders alloys in alkaline electrolyte</title><author>Nazeri, Muhammad Firdaus Mohd ; Ismail, Ahmad Badri ; Mohamad, Ahmad Azmin</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c485t-73ca9e62e7b33de5fe3bce5b60804fc1bf58d76e106cc86f81f59814f48a5f813</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2014</creationdate><topic>Alloys</topic><topic>Applied sciences</topic><topic>Corrosion</topic><topic>Corrosion environments</topic><topic>Corrosion products</topic><topic>Corrosion rate</topic><topic>Durability</topic><topic>Exact sciences and technology</topic><topic>Lamellar structure</topic><topic>Mechanical properties</topic><topic>Metals. Metallurgy</topic><topic>Polarization</topic><topic>Scan rate</topic><topic>Sn–9Zn</topic><topic>Solder</topic><topic>Solders</topic><topic>Tin</topic><topic>Tin base alloys</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Nazeri, Muhammad Firdaus Mohd</creatorcontrib><creatorcontrib>Ismail, Ahmad Badri</creatorcontrib><creatorcontrib>Mohamad, Ahmad Azmin</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Corrosion Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>Journal of alloys and compounds</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Nazeri, Muhammad Firdaus Mohd</au><au>Ismail, Ahmad Badri</au><au>Mohamad, Ahmad Azmin</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Effect of polarizations on Sn–Zn solders alloys in alkaline electrolyte</atitle><jtitle>Journal of alloys and compounds</jtitle><date>2014-09-05</date><risdate>2014</risdate><volume>606</volume><spage>278</spage><epage>287</epage><pages>278-287</pages><issn>0925-8388</issn><eissn>1873-4669</eissn><abstract>•Sn–9Zn solder was polarized at different scanning rates in 6M KOH.•Dissolution of Zn was found to dominate the initial corrosion reactions of Sn–9Zn.•Lamellar-like grooves were formed resulted from the preferential dissolution of Zn.•Presence of grooves act as weak spots that reduce the ultimate tensile strength.
The corrosion properties of Sn–9Zn lead-free solder was studied through potentiodynamic polarization in 6M potassium hydroxide at different scanning rates. The corrosion rates of Sn–9Zn solder remained nearly constant at 2.1×10−4Acm−2 from scan rates of 2.0mVs−1 to 3.5mVs−1 before significantly increasing as the rates increased to higher than 3.5mVs−1. The morphological analysis showed that two distinctive structures of a lamellar-like groove and irregularly shaped corrosion product compounds co-existed on the solder surface after being polarized at different rates. In addition, phase and elemental analyses revealed the formation of mixed corrosion products of SnO, SnO2, and ZnO on the surface after polarization. Moreover, the ultimate tensile stress endured by the solder joint decreased by 26% after polarization.</abstract><cop>Kidlington</cop><pub>Elsevier B.V</pub><doi>10.1016/j.jallcom.2014.04.034</doi><tpages>10</tpages><oa>free_for_read</oa></addata></record> |
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source | ScienceDirect Journals (5 years ago - present) |
subjects | Alloys Applied sciences Corrosion Corrosion environments Corrosion products Corrosion rate Durability Exact sciences and technology Lamellar structure Mechanical properties Metals. Metallurgy Polarization Scan rate Sn–9Zn Solder Solders Tin Tin base alloys |
title | Effect of polarizations on Sn–Zn solders alloys in alkaline electrolyte |
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