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| A review of the effect of a/W ratio on fracture toughness (I) —experimental investigation in EPFM | |
| 作者姓名： | LI Qing-fen JIN Guo and WANG Yan-bo School of Mechanical and Electrical Engineering Harbin Engineering University Harbin 150001 China |
| 作者单位： | LI Qing-fen，JIN Guo，and WANG Yan-bo School of Mechanical and Electrical Engineering，Harbin Engineering University，Harbin 150001，China |
| 摘 要： | 1INTRODUCTION Crackopeningdisplacement(COD)andtheJ in tegralastwoimportantfracture characterizingparame tersinelastic plasticfracturemechanics,arealready welldevelopedandusedinindustrialapplications.However,deeplycrackedstandardlaboratory specimenwhichhasahighlevelofconstraintmaynot alwaysberepresentativeofthosefoundinstructural components.Structuralcomponentsoftenexhibitcom parativelyshallowandsurface breaking,andtheplas ticflowassociatedwiththemreachesthesurfaceofthe component.Inthisca… |
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