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The effect of pure aluminum cold spray coating on corrosion and corrosion fatigue of magnesium (3% Al-1% Zn) extrusion
Pure aluminum powder was successfully sprayed on AZ31B extrusion flat and round coupons at low temperature. The corrosion and corrosion fatigue behavior of the coated and uncoated samples were examined by performing accelerated corrosion tests. The corrosion resistance of AZ31B samples with and with...
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| Published in: | Surface & coatings technology 2017-01, Vol.309, p.423-435 |
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| Language: | English |
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| cites | cdi_FETCH-LOGICAL-c454t-7a5b8c2bd59d4f8e358687d2539c9a2eaf710f20c9219b5548019ee4cd4bfa5e3 |
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| container_title | Surface & coatings technology |
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| creator | Diab, Mohammad Pang, Xin Jahed, Hamid |
| description | Pure aluminum powder was successfully sprayed on AZ31B extrusion flat and round coupons at low temperature. The corrosion and corrosion fatigue behavior of the coated and uncoated samples were examined by performing accelerated corrosion tests. The corrosion resistance of AZ31B samples with and without coating was investigated based on ASTM B117 standard salt spray with a concentration of 5% NaCl at 36°C, 100% relative humidity. The corrosion fatigue of bare and coated round samples was examined by producing a thin film of 3.5% NaCl solution on the surface of the fatigue samples via integrating a corrosion chamber into a rotating bending fatigue testing machine. Pure Al coating provided significant corrosion protection for AZ31B in 5% NaCl fog environment by improving its corrosion resistance from 90% average weight loss in 33days for bare samples to |
| doi_str_mv | 10.1016/j.surfcoat.2016.11.014 |
| format | article |
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•Comprehensive study on corrosion behavior and mechanisms of CS-coated and bulk AZ31B based on ASTM117 salt spray.•The corrosion rate of CS-coated samples are reduced by two orders of magnitudes compared to bulk magnesium.•In-situ corrosion fatigue of coated and bulk samples and their underlying fracture mechanisms.•CS-coated samples in presence of fatigue load in corrosive environment show coating early cracking and premature failure.</description><identifier>ISSN: 0257-8972</identifier><identifier>EISSN: 1879-3347</identifier><identifier>DOI: 10.1016/j.surfcoat.2016.11.014</identifier><language>eng</language><publisher>Lausanne: Elsevier B.V</publisher><subject>Accelerated tests ; Aluminum coatings ; Aluminum powders ; AZ31B extrusion ; Bending fatigue ; Bending machines ; Coating effects ; Cold spray ; Corrosion ; Corrosion effects ; Corrosion fatigue ; Corrosion prevention ; Corrosion resistance ; Corrosion tests ; Crack propagation ; Cyclic loads ; Extrusion ; Fatigue cracking ; Fatigue failure ; Fatigue life ; Fatigue strength ; Fatigue tests ; Fracture mechanics ; Localized corrosion ; Magnesium ; Microstructure ; Protective coatings ; Pure aluminum ; Relative humidity</subject><ispartof>Surface & coatings technology, 2017-01, Vol.309, p.423-435</ispartof><rights>2016</rights><rights>Copyright Elsevier BV Jan 15, 2017</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c454t-7a5b8c2bd59d4f8e358687d2539c9a2eaf710f20c9219b5548019ee4cd4bfa5e3</citedby><cites>FETCH-LOGICAL-c454t-7a5b8c2bd59d4f8e358687d2539c9a2eaf710f20c9219b5548019ee4cd4bfa5e3</cites><orcidid>0000-0002-0270-9254</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,27903,27904</link.rule.ids></links><search><creatorcontrib>Diab, Mohammad</creatorcontrib><creatorcontrib>Pang, Xin</creatorcontrib><creatorcontrib>Jahed, Hamid</creatorcontrib><title>The effect of pure aluminum cold spray coating on corrosion and corrosion fatigue of magnesium (3% Al-1% Zn) extrusion</title><title>Surface & coatings technology</title><description>Pure aluminum powder was successfully sprayed on AZ31B extrusion flat and round coupons at low temperature. The corrosion and corrosion fatigue behavior of the coated and uncoated samples were examined by performing accelerated corrosion tests. The corrosion resistance of AZ31B samples with and without coating was investigated based on ASTM B117 standard salt spray with a concentration of 5% NaCl at 36°C, 100% relative humidity. The corrosion fatigue of bare and coated round samples was examined by producing a thin film of 3.5% NaCl solution on the surface of the fatigue samples via integrating a corrosion chamber into a rotating bending fatigue testing machine. Pure Al coating provided significant corrosion protection for AZ31B in 5% NaCl fog environment by improving its corrosion resistance from 90% average weight loss in 33days for bare samples to <10% average weight loss in 90days of continuous corrosion cycles. However, pure Al coating did not improve the corrosion fatigue strength of magnesium and samples with and without coating showed similar corrosion fatigue trends. Test results in salt solution showed fatigue life reduction of 88% when compared with test results in air. The microstructure examination of samples failed under cyclic load showed early cracking of Al coat which allowed the electrolyte penetration into Mg substrate creating a localized corrosion and premature failure. The early cracking was attributed to the lower fatigue strength of pure Al compared to AZ31B.
•Comprehensive study on corrosion behavior and mechanisms of CS-coated and bulk AZ31B based on ASTM117 salt spray.•The corrosion rate of CS-coated samples are reduced by two orders of magnitudes compared to bulk magnesium.•In-situ corrosion fatigue of coated and bulk samples and their underlying fracture mechanisms.•CS-coated samples in presence of fatigue load in corrosive environment show coating early cracking and premature failure.</description><subject>Accelerated tests</subject><subject>Aluminum coatings</subject><subject>Aluminum powders</subject><subject>AZ31B extrusion</subject><subject>Bending fatigue</subject><subject>Bending machines</subject><subject>Coating effects</subject><subject>Cold spray</subject><subject>Corrosion</subject><subject>Corrosion effects</subject><subject>Corrosion fatigue</subject><subject>Corrosion prevention</subject><subject>Corrosion resistance</subject><subject>Corrosion tests</subject><subject>Crack propagation</subject><subject>Cyclic loads</subject><subject>Extrusion</subject><subject>Fatigue cracking</subject><subject>Fatigue failure</subject><subject>Fatigue life</subject><subject>Fatigue strength</subject><subject>Fatigue tests</subject><subject>Fracture mechanics</subject><subject>Localized corrosion</subject><subject>Magnesium</subject><subject>Microstructure</subject><subject>Protective coatings</subject><subject>Pure aluminum</subject><subject>Relative humidity</subject><issn>0257-8972</issn><issn>1879-3347</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2017</creationdate><recordtype>article</recordtype><recordid>eNqFkE1LxDAQhoMouK7-BQmIoIfWTJpsm5sifoHgRS9eQjadrFl225q0i_vvTVkFb55mBt55hnkIOQWWA4PZ1TKPQ3C2NX3O05wD5AzEHplAVaqsKES5TyaMyzKrVMkPyVGMS8YYlEpMyOb1Ayk6h7anraPdEJCa1bD2zbCmtl3VNHbBbOmI982Ctk1qQ2ijT51p6j-TS4nFgCNmbRYNRp8QF8U5vVllcE7fm0uKX30YxvAxOXBmFfHkp07J2_3d6-1j9vzy8HR785xZIUWflUbOK8vntVS1cBUWsppVZc1loawyHI0rgTnOrOKg5lKKioFCFLYWc2ckFlNytuN2of0cMPZ62Q6hSSc1KCmZBMmLlJrtUja9EgM63QW_NmGrgenRsV7qX8d6dKwBdHKcFq93i5h-2HgMOlqPjcXah2RU163_D_ENcQCJMA</recordid><startdate>20170115</startdate><enddate>20170115</enddate><creator>Diab, Mohammad</creator><creator>Pang, Xin</creator><creator>Jahed, Hamid</creator><general>Elsevier B.V</general><general>Elsevier BV</general><scope>6I.</scope><scope>AAFTH</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7QQ</scope><scope>7SR</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope><orcidid>https://orcid.org/0000-0002-0270-9254</orcidid></search><sort><creationdate>20170115</creationdate><title>The effect of pure aluminum cold spray coating on corrosion and corrosion fatigue of magnesium (3% Al-1% Zn) extrusion</title><author>Diab, Mohammad ; Pang, Xin ; Jahed, Hamid</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c454t-7a5b8c2bd59d4f8e358687d2539c9a2eaf710f20c9219b5548019ee4cd4bfa5e3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2017</creationdate><topic>Accelerated tests</topic><topic>Aluminum coatings</topic><topic>Aluminum powders</topic><topic>AZ31B extrusion</topic><topic>Bending fatigue</topic><topic>Bending machines</topic><topic>Coating effects</topic><topic>Cold spray</topic><topic>Corrosion</topic><topic>Corrosion effects</topic><topic>Corrosion fatigue</topic><topic>Corrosion prevention</topic><topic>Corrosion resistance</topic><topic>Corrosion tests</topic><topic>Crack propagation</topic><topic>Cyclic loads</topic><topic>Extrusion</topic><topic>Fatigue cracking</topic><topic>Fatigue failure</topic><topic>Fatigue life</topic><topic>Fatigue strength</topic><topic>Fatigue tests</topic><topic>Fracture mechanics</topic><topic>Localized corrosion</topic><topic>Magnesium</topic><topic>Microstructure</topic><topic>Protective coatings</topic><topic>Pure aluminum</topic><topic>Relative humidity</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Diab, Mohammad</creatorcontrib><creatorcontrib>Pang, Xin</creatorcontrib><creatorcontrib>Jahed, Hamid</creatorcontrib><collection>ScienceDirect Open Access Titles</collection><collection>Elsevier:ScienceDirect:Open Access</collection><collection>CrossRef</collection><collection>Ceramic Abstracts</collection><collection>Engineered Materials Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>Surface & coatings technology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Diab, Mohammad</au><au>Pang, Xin</au><au>Jahed, Hamid</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>The effect of pure aluminum cold spray coating on corrosion and corrosion fatigue of magnesium (3% Al-1% Zn) extrusion</atitle><jtitle>Surface & coatings technology</jtitle><date>2017-01-15</date><risdate>2017</risdate><volume>309</volume><spage>423</spage><epage>435</epage><pages>423-435</pages><issn>0257-8972</issn><eissn>1879-3347</eissn><abstract>Pure aluminum powder was successfully sprayed on AZ31B extrusion flat and round coupons at low temperature. The corrosion and corrosion fatigue behavior of the coated and uncoated samples were examined by performing accelerated corrosion tests. The corrosion resistance of AZ31B samples with and without coating was investigated based on ASTM B117 standard salt spray with a concentration of 5% NaCl at 36°C, 100% relative humidity. The corrosion fatigue of bare and coated round samples was examined by producing a thin film of 3.5% NaCl solution on the surface of the fatigue samples via integrating a corrosion chamber into a rotating bending fatigue testing machine. Pure Al coating provided significant corrosion protection for AZ31B in 5% NaCl fog environment by improving its corrosion resistance from 90% average weight loss in 33days for bare samples to <10% average weight loss in 90days of continuous corrosion cycles. However, pure Al coating did not improve the corrosion fatigue strength of magnesium and samples with and without coating showed similar corrosion fatigue trends. Test results in salt solution showed fatigue life reduction of 88% when compared with test results in air. The microstructure examination of samples failed under cyclic load showed early cracking of Al coat which allowed the electrolyte penetration into Mg substrate creating a localized corrosion and premature failure. The early cracking was attributed to the lower fatigue strength of pure Al compared to AZ31B.
•Comprehensive study on corrosion behavior and mechanisms of CS-coated and bulk AZ31B based on ASTM117 salt spray.•The corrosion rate of CS-coated samples are reduced by two orders of magnitudes compared to bulk magnesium.•In-situ corrosion fatigue of coated and bulk samples and their underlying fracture mechanisms.•CS-coated samples in presence of fatigue load in corrosive environment show coating early cracking and premature failure.</abstract><cop>Lausanne</cop><pub>Elsevier B.V</pub><doi>10.1016/j.surfcoat.2016.11.014</doi><tpages>13</tpages><orcidid>https://orcid.org/0000-0002-0270-9254</orcidid><oa>free_for_read</oa></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 0257-8972 |
| ispartof | Surface & coatings technology, 2017-01, Vol.309, p.423-435 |
| issn | 0257-8972 1879-3347 |
| language | eng |
| recordid | cdi_proquest_journals_1955051523 |
| source | ScienceDirect Journals |
| subjects | Accelerated tests Aluminum coatings Aluminum powders AZ31B extrusion Bending fatigue Bending machines Coating effects Cold spray Corrosion Corrosion effects Corrosion fatigue Corrosion prevention Corrosion resistance Corrosion tests Crack propagation Cyclic loads Extrusion Fatigue cracking Fatigue failure Fatigue life Fatigue strength Fatigue tests Fracture mechanics Localized corrosion Magnesium Microstructure Protective coatings Pure aluminum Relative humidity |
| title | The effect of pure aluminum cold spray coating on corrosion and corrosion fatigue of magnesium (3% Al-1% Zn) extrusion |
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