Effects of steel type and sandblasting pretreatment on the solid-liquid compound casting characteristics of zinc-coated steel/aluminum bimetals
Effects of zinc-coated steel type and steel surface sandblasting pretreatment in the solid-liquid compound casting of layered type steel/aluminum bimetals were investigated. The Zn coating behavior and its effects on interfacial microstructure evolution and fracture mechanism were also discussed. Th...
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| Veröffentlicht in: | Journal of alloys and compounds 2019-03, Vol.778, p.170-185 |
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| container_title | Journal of alloys and compounds |
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| creator | Shin, Jesik Kim, Taehyeong Lim, Kyoungmook Cho, Hoon Yang, Daeho Jeong, Changyeol Yi, Sung |
| description | Effects of zinc-coated steel type and steel surface sandblasting pretreatment in the solid-liquid compound casting of layered type steel/aluminum bimetals were investigated. The Zn coating behavior and its effects on interfacial microstructure evolution and fracture mechanism were also discussed. The aluminum fluidity in thin plate type flow channels formed by the steel insert and the mold wall primarily depended on the insert surface roughness and secondarily on the wettability. As-galvanized (GI) steel/aluminum bimetal joints showed the bonding strength of 20 MPa and more, while galvannealed (GA) steels showed poor bonding. The interfacial bonding zone consisted of most Al13Fe4, Al8Fe2Si, Al4.5FeSi intermetallic phases, as well as some Si phases. A low temperature and short time of the bonding reaction coupled with a high silicon content of the aluminum alloy suppressed the formation of Al5Fe2 phase. Oxide scales on the GA steel surface prevented the molten Zn coating from mixing with the aluminum melt. The Zn coating of GI steels was rapidly disappeared from the steel surface by the chemical affinity and surface energy-driven fluid flow as well as the diffusion, resulting in the formation of Zn-free intermetallic phases. The Zn coating of GI steels played a role in retarding the onset of bonding reaction. A long time sandblasting caused an excessive growth of intermetallic layers and the formation of Kirkendall voids on the steel side, resulting in the shift of main fracture sites and a slight decrease of the bonding strength.
•The solid-liquid compound casting of layered aluminum/zinc-coated steel is studied.•Effects of zinc-coated steel type and sandblasting pretreatment are investigated.•Low temperature short time bonding and high Si content determine interfacial phases.•Sandblasting spurs intermetallic phase growth, changing the main fracture sites.•The behavior of Zn coating and its effect on bonding reaction control are proposed. |
| doi_str_mv | 10.1016/j.jallcom.2018.11.134 |
| format | Article |
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•The solid-liquid compound casting of layered aluminum/zinc-coated steel is studied.•Effects of zinc-coated steel type and sandblasting pretreatment are investigated.•Low temperature short time bonding and high Si content determine interfacial phases.•Sandblasting spurs intermetallic phase growth, changing the main fracture sites.•The behavior of Zn coating and its effect on bonding reaction control are proposed.</description><identifier>ISSN: 0925-8388</identifier><identifier>EISSN: 1873-4669</identifier><identifier>DOI: 10.1016/j.jallcom.2018.11.134</identifier><language>eng</language><publisher>Lausanne: Elsevier B.V</publisher><subject>Aluminum ; Aluminum base alloys ; Bimetals ; Bonded joints ; Bonding strength ; Coating effects ; Compound casting ; Diffusion coating ; Fluid dynamics ; Fluid flow ; Fracture mechanics ; Fracture mechanism ; Galvanizing ; Interfacial bonding ; Interfacial microstructure evolution ; Intermetallic phases ; Iron and steel making ; Layered type bimetal ; Organic chemistry ; Pretreatment ; Sandblasting ; Scale (corrosion) ; Silicon ; Steel ; Steels ; Surface energy ; Surface roughness ; Thin plates ; Wettability ; Zinc coatings ; Zinc compounds ; Zinc-coated steel ; Zn coating behavior</subject><ispartof>Journal of alloys and compounds, 2019-03, Vol.778, p.170-185</ispartof><rights>2018 Elsevier B.V.</rights><rights>Copyright Elsevier BV Mar 25, 2019</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c384t-5c77909572a32172343e2086c10b288a73b1012d1282ab2126dfa81f7274a2623</citedby><cites>FETCH-LOGICAL-c384t-5c77909572a32172343e2086c10b288a73b1012d1282ab2126dfa81f7274a2623</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.2018.11.134$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>315,781,785,3551,27926,27927,45997</link.rule.ids></links><search><creatorcontrib>Shin, Jesik</creatorcontrib><creatorcontrib>Kim, Taehyeong</creatorcontrib><creatorcontrib>Lim, Kyoungmook</creatorcontrib><creatorcontrib>Cho, Hoon</creatorcontrib><creatorcontrib>Yang, Daeho</creatorcontrib><creatorcontrib>Jeong, Changyeol</creatorcontrib><creatorcontrib>Yi, Sung</creatorcontrib><title>Effects of steel type and sandblasting pretreatment on the solid-liquid compound casting characteristics of zinc-coated steel/aluminum bimetals</title><title>Journal of alloys and compounds</title><description>Effects of zinc-coated steel type and steel surface sandblasting pretreatment in the solid-liquid compound casting of layered type steel/aluminum bimetals were investigated. The Zn coating behavior and its effects on interfacial microstructure evolution and fracture mechanism were also discussed. The aluminum fluidity in thin plate type flow channels formed by the steel insert and the mold wall primarily depended on the insert surface roughness and secondarily on the wettability. As-galvanized (GI) steel/aluminum bimetal joints showed the bonding strength of 20 MPa and more, while galvannealed (GA) steels showed poor bonding. The interfacial bonding zone consisted of most Al13Fe4, Al8Fe2Si, Al4.5FeSi intermetallic phases, as well as some Si phases. A low temperature and short time of the bonding reaction coupled with a high silicon content of the aluminum alloy suppressed the formation of Al5Fe2 phase. Oxide scales on the GA steel surface prevented the molten Zn coating from mixing with the aluminum melt. The Zn coating of GI steels was rapidly disappeared from the steel surface by the chemical affinity and surface energy-driven fluid flow as well as the diffusion, resulting in the formation of Zn-free intermetallic phases. The Zn coating of GI steels played a role in retarding the onset of bonding reaction. A long time sandblasting caused an excessive growth of intermetallic layers and the formation of Kirkendall voids on the steel side, resulting in the shift of main fracture sites and a slight decrease of the bonding strength.
•The solid-liquid compound casting of layered aluminum/zinc-coated steel is studied.•Effects of zinc-coated steel type and sandblasting pretreatment are investigated.•Low temperature short time bonding and high Si content determine interfacial phases.•Sandblasting spurs intermetallic phase growth, changing the main fracture sites.•The behavior of Zn coating and its effect on bonding reaction control are proposed.</description><subject>Aluminum</subject><subject>Aluminum base alloys</subject><subject>Bimetals</subject><subject>Bonded joints</subject><subject>Bonding strength</subject><subject>Coating effects</subject><subject>Compound casting</subject><subject>Diffusion coating</subject><subject>Fluid dynamics</subject><subject>Fluid flow</subject><subject>Fracture mechanics</subject><subject>Fracture mechanism</subject><subject>Galvanizing</subject><subject>Interfacial bonding</subject><subject>Interfacial microstructure evolution</subject><subject>Intermetallic phases</subject><subject>Iron and steel making</subject><subject>Layered type bimetal</subject><subject>Organic chemistry</subject><subject>Pretreatment</subject><subject>Sandblasting</subject><subject>Scale (corrosion)</subject><subject>Silicon</subject><subject>Steel</subject><subject>Steels</subject><subject>Surface energy</subject><subject>Surface roughness</subject><subject>Thin plates</subject><subject>Wettability</subject><subject>Zinc coatings</subject><subject>Zinc compounds</subject><subject>Zinc-coated steel</subject><subject>Zn coating behavior</subject><issn>0925-8388</issn><issn>1873-4669</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2019</creationdate><recordtype>article</recordtype><recordid>eNqFkEtL7TAQx4MoeHx8BCHgujWT9DTpSkR8XBDu5roOaTrVlLapSSrol_ArGz1nfzczDPwfzI-QC2AlMKivhnIw42j9VHIGqgQoQVQHZANKiqKq6-aQbFjDt4USSh2TkxgHxhg0Ajbk667v0aZIfU9jQhxp-liQmrmjMY92NDG5-YUuAVNAkyacE_UzTa9Iox9dV4zubXUdzfWLX7PN7h321QRjEwaXb_tb8OlmW1hvEna7siszrpOb14m2bsJkxnhGjvq88Hy_T8nz_d2_28fi6e_Dn9ubp8IKVaVia6VsWLOV3AgOkotKIGeqtsBarpSRos1oeAdccdNy4HXXGwW95LIyvObilFzucpfg31aMSQ9-DXOu1DmvlozXTGXVdqeywccYsNdLcJMJHxqY_mGvB71nr3_YawCd2Wff9c6H-YV3h0FH63C22LmQaevOu_8kfAPowJG7</recordid><startdate>20190325</startdate><enddate>20190325</enddate><creator>Shin, Jesik</creator><creator>Kim, Taehyeong</creator><creator>Lim, Kyoungmook</creator><creator>Cho, Hoon</creator><creator>Yang, Daeho</creator><creator>Jeong, Changyeol</creator><creator>Yi, Sung</creator><general>Elsevier B.V</general><general>Elsevier BV</general><scope>AAYXX</scope><scope>CITATION</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope></search><sort><creationdate>20190325</creationdate><title>Effects of steel type and sandblasting pretreatment on the solid-liquid compound casting characteristics of zinc-coated steel/aluminum bimetals</title><author>Shin, Jesik ; Kim, Taehyeong ; Lim, Kyoungmook ; Cho, Hoon ; Yang, Daeho ; Jeong, Changyeol ; Yi, Sung</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c384t-5c77909572a32172343e2086c10b288a73b1012d1282ab2126dfa81f7274a2623</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2019</creationdate><topic>Aluminum</topic><topic>Aluminum base alloys</topic><topic>Bimetals</topic><topic>Bonded joints</topic><topic>Bonding strength</topic><topic>Coating effects</topic><topic>Compound casting</topic><topic>Diffusion coating</topic><topic>Fluid dynamics</topic><topic>Fluid flow</topic><topic>Fracture mechanics</topic><topic>Fracture mechanism</topic><topic>Galvanizing</topic><topic>Interfacial bonding</topic><topic>Interfacial microstructure evolution</topic><topic>Intermetallic phases</topic><topic>Iron and steel making</topic><topic>Layered type bimetal</topic><topic>Organic chemistry</topic><topic>Pretreatment</topic><topic>Sandblasting</topic><topic>Scale (corrosion)</topic><topic>Silicon</topic><topic>Steel</topic><topic>Steels</topic><topic>Surface energy</topic><topic>Surface roughness</topic><topic>Thin plates</topic><topic>Wettability</topic><topic>Zinc coatings</topic><topic>Zinc compounds</topic><topic>Zinc-coated steel</topic><topic>Zn coating behavior</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Shin, Jesik</creatorcontrib><creatorcontrib>Kim, Taehyeong</creatorcontrib><creatorcontrib>Lim, Kyoungmook</creatorcontrib><creatorcontrib>Cho, Hoon</creatorcontrib><creatorcontrib>Yang, Daeho</creatorcontrib><creatorcontrib>Jeong, Changyeol</creatorcontrib><creatorcontrib>Yi, Sung</creatorcontrib><collection>CrossRef</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>Shin, Jesik</au><au>Kim, Taehyeong</au><au>Lim, Kyoungmook</au><au>Cho, Hoon</au><au>Yang, Daeho</au><au>Jeong, Changyeol</au><au>Yi, Sung</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Effects of steel type and sandblasting pretreatment on the solid-liquid compound casting characteristics of zinc-coated steel/aluminum bimetals</atitle><jtitle>Journal of alloys and compounds</jtitle><date>2019-03-25</date><risdate>2019</risdate><volume>778</volume><spage>170</spage><epage>185</epage><pages>170-185</pages><issn>0925-8388</issn><eissn>1873-4669</eissn><abstract>Effects of zinc-coated steel type and steel surface sandblasting pretreatment in the solid-liquid compound casting of layered type steel/aluminum bimetals were investigated. The Zn coating behavior and its effects on interfacial microstructure evolution and fracture mechanism were also discussed. The aluminum fluidity in thin plate type flow channels formed by the steel insert and the mold wall primarily depended on the insert surface roughness and secondarily on the wettability. As-galvanized (GI) steel/aluminum bimetal joints showed the bonding strength of 20 MPa and more, while galvannealed (GA) steels showed poor bonding. The interfacial bonding zone consisted of most Al13Fe4, Al8Fe2Si, Al4.5FeSi intermetallic phases, as well as some Si phases. A low temperature and short time of the bonding reaction coupled with a high silicon content of the aluminum alloy suppressed the formation of Al5Fe2 phase. Oxide scales on the GA steel surface prevented the molten Zn coating from mixing with the aluminum melt. The Zn coating of GI steels was rapidly disappeared from the steel surface by the chemical affinity and surface energy-driven fluid flow as well as the diffusion, resulting in the formation of Zn-free intermetallic phases. The Zn coating of GI steels played a role in retarding the onset of bonding reaction. A long time sandblasting caused an excessive growth of intermetallic layers and the formation of Kirkendall voids on the steel side, resulting in the shift of main fracture sites and a slight decrease of the bonding strength.
•The solid-liquid compound casting of layered aluminum/zinc-coated steel is studied.•Effects of zinc-coated steel type and sandblasting pretreatment are investigated.•Low temperature short time bonding and high Si content determine interfacial phases.•Sandblasting spurs intermetallic phase growth, changing the main fracture sites.•The behavior of Zn coating and its effect on bonding reaction control are proposed.</abstract><cop>Lausanne</cop><pub>Elsevier B.V</pub><doi>10.1016/j.jallcom.2018.11.134</doi><tpages>16</tpages><oa>free_for_read</oa></addata></record> |
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| subjects | Aluminum Aluminum base alloys Bimetals Bonded joints Bonding strength Coating effects Compound casting Diffusion coating Fluid dynamics Fluid flow Fracture mechanics Fracture mechanism Galvanizing Interfacial bonding Interfacial microstructure evolution Intermetallic phases Iron and steel making Layered type bimetal Organic chemistry Pretreatment Sandblasting Scale (corrosion) Silicon Steel Steels Surface energy Surface roughness Thin plates Wettability Zinc coatings Zinc compounds Zinc-coated steel Zn coating behavior |
| title | Effects of steel type and sandblasting pretreatment on the solid-liquid compound casting characteristics of zinc-coated steel/aluminum bimetals |
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