{"@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/1390282679701609472.json","@type":"Article","productIdentifier":[{"identifier":{"@type":"DOI","@value":"10.2207/qjjws.27.89"}},{"identifier":{"@type":"HDL","@value":"http://hdl.handle.net/10228/00006094"}},{"identifier":{"@type":"URI","@value":"https://kyutech.repo.nii.ac.jp/records/4882"}},{"identifier":{"@type":"NAID","@value":"10030149490"}},{"identifier":{"@type":"NAID","@value":"10030148642"}}],"resourceType":"学術雑誌論文(journal article)","dc:title":[{"@language":"en","@value":"Monte Carlo simulation of grain refinement of ultra low carbon steel by cyclic laser irradiation"},{"@language":"ja","@value":"極低炭素鋼に対する繰返しレーザ照射による結晶粒微細化のモンテカルロ・シミュレーション"}],"dc:language":"ja","description":[{"type":"abstract","notation":[{"@language":"en","@value":"The refinement of ferrite grain of ultra low carbon steel was observed in cyclic laser irradiation.  The high heating and cooling rates were considered to cause the promoted nucleation and the suppressed grain growth.  The process of refinement of grain during the laser irradiation was investigated by Monte Carlo simulation.  In order to obtain the accurate simulation, the apparent activation energy of austenite grain growth was measured by isothermal heating experiments and used in the simulation of austenite grain growth.  The results of the austenite grain growth simulations had a good agreement with the experimental results.  Consequently, α → ← γ phase transformations which involved temporal and spatial heterogeneous nucleation were modeled with Monte Carlo method in order to simulate the process of the cyclic laser irradiation.  The phase transformed fraction of ferrite and austenite with high heating and cooling rates were also obtained by simulation, and the curves of transformed fraction of ferrite and austenite showed sigmoidal variations with temperature.  The results of the simulations showed the decrease of ferrite and austenite grain size with increase of times of the cyclic laser irradiation, which could explain the refinement of ferrite grain by the cyclic laser irradiation."}],"abstractLicenseFlag":"disallow"}],"creator":[{"@id":"https://cir.nii.ac.jp/crid/1410853646528337795","@type":"Researcher","personIdentifier":[{"@type":"NRID","@value":"9000006563528"}],"foaf:name":[{"@language":"en","@value":"ZHAO Fang"},{"@language":"ja","@value":"趙 放"}],"jpcoar:affiliationName":[{"@language":"en","@value":"Kyushu Institute of Technology"},{"@language":"ja","@value":"九州工業大学"}]},{"@id":"https://cir.nii.ac.jp/crid/1420845751148133248","@type":"Researcher","personIdentifier":[{"@type":"KAKEN_RESEARCHERS","@value":"20243983"},{"@type":"NRID","@value":"1000020243983"},{"@type":"NRID","@value":"9000398113849"},{"@type":"NRID","@value":"9000345440596"},{"@type":"NRID","@value":"9000284282001"},{"@type":"NRID","@value":"9000258583039"},{"@type":"NRID","@value":"9000254664480"},{"@type":"NRID","@value":"9000398648025"},{"@type":"NRID","@value":"9000257814901"},{"@type":"NRID","@value":"9000257815025"},{"@type":"NRID","@value":"9000022048568"},{"@type":"NRID","@value":"9000257815029"},{"@type":"NRID","@value":"9000010581211"},{"@type":"NRID","@value":"9000402292744"},{"@type":"NRID","@value":"9000243760511"},{"@type":"NRID","@value":"9000258583207"},{"@type":"NRID","@value":"9000258581883"},{"@type":"NRID","@value":"9000257814608"},{"@type":"NRID","@value":"9000265249209"},{"@type":"NRID","@value":"9000412192101"},{"@type":"NRID","@value":"9000398114758"},{"@type":"NRID","@value":"9000398117885"},{"@type":"NRID","@value":"9000398115009"},{"@type":"NRID","@value":"9000398118094"},{"@type":"NRID","@value":"9000398117613"},{"@type":"NRID","@value":"9000398115941"},{"@type":"NRID","@value":"9000398118100"},{"@type":"NRID","@value":"9000398118245"},{"@type":"NRID","@value":"9000398115636"},{"@type":"NRID","@value":"9000398116347"},{"@type":"NRID","@value":"9000398115997"},{"@type":"NRID","@value":"9000398116873"},{"@type":"NRID","@value":"9000398118273"},{"@type":"RESEARCHMAP","@value":"https://researchmap.jp/read0171639"}],"foaf:name":[{"@language":"en","@value":"YAMAGUCHI Tomiko"},{"@language":"ja","@value":"山口 富子"}],"jpcoar:affiliationName":[{"@language":"en","@value":"Kyushu Institute of Technology"},{"@language":"ja","@value":"九州工業大学"}]},{"@id":"https://cir.nii.ac.jp/crid/1410290696175587459","@type":"Researcher","personIdentifier":[{"@type":"NRID","@value":"9000002343801"}],"foaf:name":[{"@language":"en","@value":"IKEDA Hideyuki"},{"@language":"ja","@value":"池田 英幸"}],"jpcoar:affiliationName":[{"@language":"en","@value":"Kurume National College of Technologya"},{"@language":"ja","@value":"久留米工業高等専門学校"}]},{"@id":"https://cir.nii.ac.jp/crid/1410853646528337792","@type":"Researcher","foaf:name":[{"@language":"en","@value":"KATOH Mitsuaki"},{"@language":"ja","@value":"加藤 光昭"}],"jpcoar:affiliationName":[{"@language":"ja","@value":"九州工業大学"},{"@language":"en","@value":"Kyushu Institute of Technology"}]},{"@id":"https://cir.nii.ac.jp/crid/1410853646528337796","@type":"Researcher","foaf:name":[{"@language":"en","@value":"NISHIO Kazumasa"},{"@language":"ja","@value":"西尾 一政"}],"jpcoar:affiliationName":[{"@language":"en","@value":"Kyushu Institute of Technology"},{"@language":"ja","@value":"九州工業大学"}]}],"publication":{"publicationIdentifier":[{"@type":"PISSN","@value":"02884771"},{"@type":"EISSN","@value":"24348252"},{"@type":"NCID","@value":"AN1005067X"}],"prism:publicationName":[{"@language":"en","@value":"QUARTERLY JOURNAL OF THE JAPAN WELDING SOCIETY"},{"@language":"ja","@value":"溶接学会論文集"},{"@language":"en","@value":"QUARTERLY JOURNAL OF THE JAPAN WELDING SOCIETY"},{"@language":"ja","@value":"溶接学会論文集"}],"dc:publisher":[{"@language":"en","@value":"JAPAN WELDING SOCIETY"},{"@language":"ja","@value":"一般社団法人 溶接学会"}],"prism:publicationDate":"2009","prism:volume":"27","prism:number":"1","prism:startingPage":"89","prism:endingPage":"95"},"reviewed":"false","url":[{"@id":"https://kyutech.repo.nii.ac.jp/records/4882"},{"@id":"http://hdl.handle.net/10228/00006094"}],"availableAt":"2009","foaf:topic":[{"@id":"https://cir.nii.ac.jp/all?q=Simulation","dc:title":"Simulation"},{"@id":"https://cir.nii.ac.jp/all?q=Monte%20Carlo","dc:title":"Monte Carlo"},{"@id":"https://cir.nii.ac.jp/all?q=Grain%20refinement","dc:title":"Grain refinement"},{"@id":"https://cir.nii.ac.jp/all?q=Cyclic%20laser%20irradiation","dc:title":"Cyclic laser irradiation"},{"@id":"https://cir.nii.ac.jp/all?q=Phase%20transformation","dc:title":"Phase transformation"}],"dcterms:subject":[{"subjectScheme":"Other","notation":[{"@value":"Simulation"}]},{"subjectScheme":"Other","notation":[{"@value":"Monte Carlo"}]},{"subjectScheme":"Other","notation":[{"@value":"Grain refinement"}]},{"subjectScheme":"Other","notation":[{"@value":"Cyclic laser irradiation"}]},{"subjectScheme":"Other","notation":[{"@value":"Phase transformation"}]}],"relatedProduct":[{"@id":"https://cir.nii.ac.jp/crid/1360292620516472832","@type":"Article","relationType":["references"],"jpcoar:relatedTitle":[{"@value":"Computer simulation of recrystallization—II. 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