| Relationships between deformation mechanisms and initial textures in polycrystalline magnesium alloys AZ31 |
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| 作者姓名： | 杨平 崔凤娥 边建华 G Gottstein |
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| 作者单位： | School of Materials Science and Engineering，University of Science and Technology Beijing，School of Materials Science and Engineering，University of Science and Technology Beijing，School of Materials Science and Engineering，University of Science and Technology Beijing，Institut für Metallkunde und Metallphysik Beijing 100083，China，Beijing 100083，China，Beijing 100083，China，RWTH Aachen，52056，Aachen，Germany |
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| 基金项目： | Project( 5 0 1710 0 9)supportedbytheNationalNaturalScienceFoundationofChina，ProjectsupportedbyDeutscher
AkademischerAustauschdienstandtheChinaScholarshipCouncil |
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| 摘 要： | 1 INTRODUCTIONMagnesiumisthelightestmetallicstructuralma terialwithhighspecificstrengthandisusedinauto motive ,electronicsandaerospacefield1,2 ] .Howev er ,magnesiumoftenshowspoorformabilityatroomtemperatureduetoitshexagonalstructurewithlessindependentslipsystems ,whichlimitsitsuse .Dif ferentslipsystemshavebeendetectedinmagnesiumsuchasbasalslipof { 0 0 0 1}〈112 0〉 ,prismslipof{ 10 10 }〈112 0〉3,4 ] andpyramidslip (includingthea typeof {hkil}〈112 0〉andthea +ctypeof {hkil}〈112 3〉…
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Relationships between deformation mechanisms and initial textures in polycrystalline magnesium alloys AZ31 |
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| G Gottstein.Relationships between deformation mechanisms and initial textures in polycrystalline magnesium alloys AZ31[J].Transactions of Nonferrous Metals Society of China,2003,13(2). |
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| Authors: | G Gottstein |
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| Abstract: | Microscopy, X ray diffractometry and EBSD analysis were applied to inspect the relationships between deformation mechanisms and initial textures in polycrystalline magnesium alloys AZ31. It is found that different deformation mechanisms proceed according to theoretic prediction. Basal slips occur when basal planes of grains are tilted toward normal direction(ND) around transverse direction(TD); prism slips dominate when basal planes are perpendicular to TD. {1012} twinning was favored when basal planes are normal to rolling direction(RD) and {1011} twinning is analyzed to be related to the basal orientation of grains. |
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| Keywords: | magnesium alloy deformation texture |
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