ISO 13586-2000 塑料断裂韧性的测定()和()线弹性断裂力学法

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【英文标准名称】:Plastics-Determinationoffracturetoughness(GandK)-Linearelasticfracturemechanics(LEFM)approach
【原文标准名称】:塑料断裂韧性的测定()和()线弹性断裂力学法
【标准号】:ISO13586-2000
【标准状态】:现行
【国别】:国际
【发布日期】:2000-03
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC61
【标准类型】:()
【标准水平】:()
【中文主题词】:测定;抗断裂试验;试验;机械处理;定义;定义;断裂韧性;机械试验;弹性(流体);抗断裂强度;塑料
【英文主题词】:Breakingstrength;Breakingtests;Definition;Definitions;Determination;Elasticproperties(fluids);Fracturetoughness;Mechanicaltesting;Mechanicaltreatment;Plastics;Testing
【摘要】:ThisInternationalStandardspecifiestheprinciplesfordeterminingthefracturetoughnessofplasticsinthecrack-openingmode(modeI)underdefinedconditions.Twotestmethodswithcrackedspecimensaredefined,namelythree-point-bendingtestsandcompact-specimentensiletestsinordertosuitdifferenttypesofequipmentavailableordifferenttypesofmaterial.Themethodsaresuitableforusewiththefollowingrangeofmaterials:—rigidandsemi-rigidthermoplasticmoulding,extrusionandcastingmaterials;—rigidandsemi-rigidthermosettingmouldingandcastingmaterials.Certainrestrictionsonthelinearityoftheload-displacementdiagram,onthespecimenwidthandonthethicknessareimposedtoensurevalidity(see6.4)sincetheschemeusedassumeslinearelasticbehaviourofthecrackedmaterialandastateofplanestrainatthecracktip.Finally,thecrackmustbesharpenoughsothatanevensharpercrackwillnotresultinsignificantlylowervaluesofthemeasuredproperties.
【中国标准分类号】:G31
【国际标准分类号】:83_080_01
【页数】:16P.;A4
【正文语种】:英语