{"@context":{"@vocab":"https://cir.nii.ac.jp/schema/1.0/","rdfs":"http://www.w3.org/2000/01/rdf-schema#","dc":"http://purl.org/dc/elements/1.1/","dcterms":"http://purl.org/dc/terms/","foaf":"http://xmlns.com/foaf/0.1/","prism":"http://prismstandard.org/namespaces/basic/2.0/","cinii":"http://ci.nii.ac.jp/ns/1.0/","datacite":"https://schema.datacite.org/meta/kernel-4/","ndl":"http://ndl.go.jp/dcndl/terms/","jpcoar":"https://github.com/JPCOAR/schema/blob/master/2.0/"},"@id":"https://cir.nii.ac.jp/crid/1390282679225553280.json","@type":"Article","productIdentifier":[{"identifier":{"@type":"DOI","@value":"10.2320/matertrans.m2012285"}},{"identifier":{"@type":"COI","@value":"1:CAS:528:DC%2BC3sXosl2jsrs%3D"}},{"identifier":{"@type":"NDL_BIB_ID","@value":"024377439"}},{"identifier":{"@type":"URI","@value":"http://id.ndl.go.jp/bib/024377439"}},{"identifier":{"@type":"URI","@value":"https://ndlsearch.ndl.go.jp/books/R000000004-I024377439"}},{"identifier":{"@type":"URI","@value":"https://www.jstage.jst.go.jp/article/matertrans/54/4/54_M2012285/_pdf"}},{"identifier":{"@type":"NAID","@value":"10031162829"}}],"dc:title":[{"@language":"en","@value":"High Temperature Mechanical Properties of Al–Si–Mg–(Cu) Alloys for Automotive Cylinder Heads"},{"@value":"High Temperature Mechanical Properties of Al&ndash;Si&ndash;Mg&ndash;(Cu) Alloys for Automotive Cylinder Heads"}],"dc:language":"en","description":[{"type":"abstract","notation":[{"@language":"en","@value":"To improve the fuel efficiency and reduce automobile emissions, there has been growing demand of more durable alloys for engine components with the improved thermal and fatigue resistance. This study examined the effect of alloying elements on the high mechanical behavior of Al–Si–Mg–(Cu) casting alloys for cylinder heads. Depending on the alloying elements affecting the strength of the matrix, the thermal expansion coefficient decreased with increasing Mn and Cu content at high temperatures with a concomitant increase in the elastic modulus, hardness and tensile strength. Quantatative analysis showed that the mechanical properties of the Al<sub>2</sub>Cu precipitate hardened alloy were maintained at temperatures over 250°C, whereas the degradation of mechanical properties of the Mg containing alloy occurred at 170°C due to coarsening of the Mg<sub>2</sub>Si precipitation phase. The LCF (low cycle fatigue) lives decreased with increasing alloy content according to the Coffin-Manson relation due to the smaller elongation. On the other hand, an analysis of the fatigue lives with the hysteresis loop energy, which consists of both strength and elongation, showed that the fatigue lives were normalized with an alloy of the same strengthening mechanisms regardless of the test temperature."}],"abstractLicenseFlag":"disallow"}],"creator":[{"@id":"https://cir.nii.ac.jp/crid/1410282679225553280","@type":"Researcher","personIdentifier":[{"@type":"NRID","@value":"9000258728275"}],"foaf:name":[{"@language":"en","@value":"Jeong Chang-Yeol"}],"jpcoar:affiliationName":[{"@language":"en","@value":"Department of Nuclear and Energy System Engineering, Dongguk University"}]}],"publication":{"publicationIdentifier":[{"@type":"PISSN","@value":"13459678"},{"@type":"LISSN","@value":"13459678"},{"@type":"EISSN","@value":"13475320"},{"@type":"NDL_BIB_ID","@value":"000000163280"},{"@type":"ISSN","@value":"13459678"},{"@type":"NCID","@value":"AA1151294X"}],"prism:publicationName":[{"@language":"en","@value":"MATERIALS TRANSACTIONS"},{"@language":"ja","@value":"MATERIALS TRANSACTIONS"},{"@language":"en","@value":"Mater. Trans."},{"@language":"ja","@value":"Mater. Trans."}],"dc:publisher":[{"@language":"en","@value":"The Japan Institute of Metals and Materials"},{"@language":"ja","@value":"公益社団法人 日本金属学会"}],"prism:publicationDate":"2013","prism:volume":"54","prism:number":"4","prism:startingPage":"588","prism:endingPage":"594"},"reviewed":"false","url":[{"@id":"http://id.ndl.go.jp/bib/024377439"},{"@id":"https://ndlsearch.ndl.go.jp/books/R000000004-I024377439"},{"@id":"https://www.jstage.jst.go.jp/article/matertrans/54/4/54_M2012285/_pdf"}],"availableAt":"2013","foaf:topic":[{"@id":"https://cir.nii.ac.jp/all?q=aluminum%E2%80%93silicon%E2%80%93magnesium%E2%80%93(copper)%20alloy","dc:title":"aluminum–silicon–magnesium–(copper) alloy"},{"@id":"https://cir.nii.ac.jp/all?q=automobile","dc:title":"automobile"},{"@id":"https://cir.nii.ac.jp/all?q=cylinder%20head","dc:title":"cylinder head"},{"@id":"https://cir.nii.ac.jp/all?q=low%20cycle%20fatigue","dc:title":"low cycle fatigue"}],"relatedProduct":[{"@id":"https://cir.nii.ac.jp/crid/1360011143569439232","@type":"Article","relationType":["references"],"jpcoar:relatedTitle":[{"@value":"Fatigue behavior of A356/357 aluminum cast alloys. Part II – Effect of microstructural constituents"}]},{"@id":"https://cir.nii.ac.jp/crid/1360574096377428608","@type":"Article","relationType":["references"],"jpcoar:relatedTitle":[{"@value":"Effect of microstructure on mechanical properties for A356 casting alloy"}]},{"@id":"https://cir.nii.ac.jp/crid/1360855570980639488","@type":"Article","relationType":["references"],"jpcoar:relatedTitle":[{"@value":"Chemical inhomogeneity of intermetallic phases precipitates formed during solidification of Al-Si alloys"}]},{"@id":"https://cir.nii.ac.jp/crid/1361418518382236672","@type":"Article","relationType":["references"],"jpcoar:relatedTitle":[{"@value":"Developments in the processing and properties of particulate Al-Si composites"}]},{"@id":"https://cir.nii.ac.jp/crid/1361699995121932672","@type":"Article","relationType":["references"],"jpcoar:relatedTitle":[{"@value":"Fatigue properties of Al–Si casting alloy with cold sprayed Al/SiC coating"}]},{"@id":"https://cir.nii.ac.jp/crid/1361699996423728512","@type":"Article","relationType":["references"],"jpcoar:relatedTitle":[{"@value":"Factors affecting the damping capacity of cast aluminium-matrix composites"}]},{"@id":"https://cir.nii.ac.jp/crid/1362825895763312384","@type":"Article","relationType":["references"],"jpcoar:relatedTitle":[{"@value":"Crystallization behavior of iron-containing intermetallic compounds in 319 aluminum alloy"}]},{"@id":"https://cir.nii.ac.jp/crid/1390001204250119552","@type":"Article","relationType":["references"],"jpcoar:relatedTitle":[{"@language":"en","@value":"Effect of Alloying Elements on High Temperature Mechanical Properties for Piston Alloy"}]},{"@id":"https://cir.nii.ac.jp/crid/1390001206337877248","@type":"Article","relationType":["references"],"jpcoar:relatedTitle":[{"@language":"en","@value":"Effect of cooling rate on the mechanical strength and dendrite arm spacing of AC4B cylindrical aluminum alloy casting."},{"@value":"ＡＣ４Ｂアルミニウム合金円筒鋳物の強さとデンドライトアームスペーシングに及ぼす冷却速度の影響"},{"@language":"ja-Kana","@value":"AC4B アルミニウム ゴウキン エントウ イモノ ノ ツヨサ ト デンドライ"}]},{"@id":"https://cir.nii.ac.jp/crid/1390282679228941440","@type":"Article","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@language":"en","@value":"Effect of Microstructure on High Temperature Mechanical Properties of A319 Casting Alloy for Automotive Cylinder Heads"}]},{"@id":"https://cir.nii.ac.jp/crid/1390282681314293888","@type":"Article","relationType":["references"],"jpcoar:relatedTitle":[{"@language":"ja","@value":"自動車用アルミニウムハイブリッドボディの開発"},{"@language":"en","@value":"Development of aluminum hybrid body for the most fuel efficient vehicle"},{"@value":"解説:小山田記念賞 自動車用アルミニウムハイブリッドボディの開発"},{"@language":"ja-Kana","@value":"カイセツ オヤマダ キネンショウ ジドウシャヨウ アルミニウム ハイブリッド ボディ ノ 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イソンセイ"}]},{"@id":"https://cir.nii.ac.jp/crid/1570572699328505088","@type":"Article","relationType":["cites"]},{"@id":"https://cir.nii.ac.jp/crid/1570854174305215872","@type":"Article","relationType":["cites"]},{"@id":"https://cir.nii.ac.jp/crid/1570854174305220480","@type":"Article","relationType":["cites"]},{"@id":"https://cir.nii.ac.jp/crid/1571135649281925760","@type":"Article","relationType":["cites"]},{"@id":"https://cir.nii.ac.jp/crid/1571135649281932928","@type":"Article","relationType":["cites"],"jpcoar:relatedTitle":[{"@language":"en","@value":"Designation : ASTM D 648, 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