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The effects of degassing, grain refinement & Sr-addition on melt quality-hot tear sensitivity relationships in cast A380 aluminum alloy

dc.contributor.authorCetin, Remzi
dc.contributor.authorDışpınar, Derya
dc.contributor.authorTIRYAKIOGLU, Murat
dc.contributor.authorUludag, Muhammet
dc.date.accessioned2021-03-04T18:19:29Z
dc.date.available2021-03-04T18:19:29Z
dc.identifier.citationUludag M., Cetin R., Dışpınar D., TIRYAKIOGLU M., "The effects of degassing, grain refinement & Sr-addition on melt quality-hot tear sensitivity relationships in cast A380 aluminum alloy", ENGINEERING FAILURE ANALYSIS, cilt.90, ss.90-102, 2018
dc.identifier.issn1350-6307
dc.identifier.othervv_1032021
dc.identifier.otherav_8a194d8e-9e09-4d91-b6db-ca71966fe085
dc.identifier.urihttp://hdl.handle.net/20.500.12627/93626
dc.identifier.urihttps://doi.org/10.1016/j.engfailanal.2018.03.025
dc.description.abstractHot tearing tendency of A380 with various element additions (Sr, Sr + Ti, Ti, B and B + Sr) was investigated. Constrained rod casting (CRC) hot tearing test method was used to characterize the hot tearing sensitivity. Reduced pressure test (RPT) samples were produced from each condition and all trials were repeated three times. Number density of pores on the cross section of RPT samples was calculated via digital image processing and statistical analysis was carried out. Microstructure analysis was carried out to observe the effect of alloying elements. Hot torn cross sections were subjected to SEM analysis. It was found that in aluminum alloys, the most deleterious defects, bifilms that are the cause of many defects, play an important role in initiating the hot tearing during solidification. It is important to note that the shape, size and distribution of bifilms are too complex. They act as heterogeneous nucleation site for liquid to separate and thus increase hot tearing.
dc.language.isoeng
dc.subjectTarım Makineleri
dc.subjectTarım Alet ve Makineleri
dc.subjectMühendislik ve Teknoloji
dc.subjectTarımsal Bilimler
dc.subjectZiraat
dc.subjectMalzeme Bilimi
dc.subjectMALZEME BİLİMİ, KARAKTERİZASYON VE TEST
dc.subjectMühendislik, Bilişim ve Teknoloji (ENG)
dc.subjectMühendislik
dc.subjectMÜHENDİSLİK, MEKANİK
dc.titleThe effects of degassing, grain refinement & Sr-addition on melt quality-hot tear sensitivity relationships in cast A380 aluminum alloy
dc.typeMakale
dc.relation.journalENGINEERING FAILURE ANALYSIS
dc.contributor.departmentBursa Teknik Üniversitesi , ,
dc.identifier.volume90
dc.identifier.startpage90
dc.identifier.endpage102
dc.contributor.firstauthorID73255


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