ClusteredShrinkagePoresinIll-ConditionedAluminumAlloyDieCastings

Material type: 文書・図像類

Author: Hangai, Yoshihikoほか

Publisher: The Japan Institute of Metals (日本金属学会)

Publication date: 2010

Material Format: Digital

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Note (General)：: Thegeometricfeaturesofclusteredshrinkagepores(CSP)inill-conditionedaluminumalloydiecastingswererevealedandtheireffectonthefatiguestrengthwasdiscussed....

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Material Type: 文書・図像類
Title: ClusteredShrinkagePoresinIll-ConditionedAluminumAlloyDieCastings
Author/Editor: Hangai, Yoshihiko
Kuwazuru, Osamu
Yano, Takayuki
Utsunomiya, Takao
Murata, Yozo
Kitahara, Soichiro
Bidhar, Sujit
Yoshikawa, Nobuhiro
Author Heading: Hangai, Yoshihiko
Kuwazuru, Osamu
Yano, Takayuki
Utsunomiya, Takao
Murata, Yozo
Kitahara, Soichiro
Bidhar, Sujit
Yoshikawa, Nobuhiro
Publication, Distribution, etc.: The Japan Institute of Metals (日本金属学会)
Publication Date: 2010
Publication Date (W3CDTF): 2010
Periodical title: Materials Transactions
No. or year of volume/issue: 51 9
Volume: 51
Issue: 9
Pages: 1574-1580
ISSN (Periodical Title): ISSN : 1345-9678
Text Language Code: eng
Subject Heading: castingdefect
shrinkageporosity
diecasting
aluminumalloy
X-raycomputedtomography
fatigue
serialsectioning
Target Audience: 一般
Note (General): Thegeometricfeaturesofclusteredshrinkagepores(CSP)inill-conditionedaluminumalloydiecastingswererevealedandtheireffectonthefatiguestrengthwasdiscussed.ToobtainthegeometricfeaturesofCSP,anobservationusingacommercialmicrofocusX-raycomputedtomography(X-rayCT)systemwascarriedoutandthepositionandsizeofCSPwereconfirmed.However,thedetailedgeometryoftheCSPcouldnotbeclearlyobservedbyX-rayCT,becauseeachporeintheCSPwastoosmalltoobserveowingtotheinsufficientresolutionoftheCTimage.Wedevelopedaserialsectioningsystemwithapolishingmachineandanopticalmicroscope.ObservationusingtheserialsectioningsystemclearlyshowedthataCSPconsistsofmanyinterconnectedsmallpores,whichformedanextremelycomplicatedshape.TheCSPwasthoughttogrowfromrelativelylargegaspores,whichconnecttosmallporesandconsequentlygenerateacavitywithahugevolumeandacomplicatedgeometry.ThecomplexgeometryofCSPresultedintheconcentrationofstressaroundCSP,andsignificantlyunderminesmechanicalpropertiessuchastensilestrengthandfatiguestrength.
Access Restrictions: 限定公開
Data Provider (Database): 国立情報学研究所 : 学術機関リポジトリデータベース（IRDB）（機関リポジトリ）
https://irdb.nii.ac.jp
Original Data Provider (Database): 福井大学 : 福井大学学術機関リポジトリ