摘要
Intergranularslowcrackgrowthinzirconiapolycrystalisdescribedwithacohesivezonemodelthatsimulatemechanicallythereaction-rupturemechanismunderlyingstressandenvironmentallyassistedfailure.A2Dpolycrystalisconsideredwithcohesivesurfacesinsertedalongthegrainboundaries.Theanisotropicelasticmodulusandgrain-to-grainmisorientationareaccountedfortogetherwithaninitialstressstaterelatedtotheprocessing.Aminimumloadthresholdisshowntooriginatefromtheonsetofthereaction-rupturemechanismtoproceedwhereaminimumtractionisreachedlocallyandfromthemagnitudeoftheinitialcompressionstresses.Thisworkaimsatprovidingreliablepredictionsinlonglastingapplicationsofceramics.
出版日期
2013年05月15日（中国期刊网平台首次上网日期，不代表论文的发表时间）
