ISO 15850-2002 塑料.牵引力-牵引疲劳裂纹延伸长度的测定.机械直线弹性破碎近似值

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【英文标准名称】:Plastics-Determinationoftension-tensionfatiguecrackpropagation-Linearelasticfracturemechanics(LEFM)approach
【原文标准名称】:塑料.牵引力-牵引疲劳裂纹延伸长度的测定.机械直线弹性破碎近似值
【标准号】:ISO15850-2002
【标准状态】:现行
【国别】:国际
【发布日期】:2002-06
【实施或试行日期】:
【发布单位】:国际标准化组织(ISO)
【起草单位】:ISO/TC61
【标准类型】:()
【标准水平】:()
【中文主题词】:定义;伸展率;塑料;测定;测量技术;试验;断裂韧性;抗断裂强度;疲劳裂纹;断裂试验;机械试验;直线运动
【英文主题词】:Breakingstrength;Breakingtests;Definition;Definitions;Determination;Fatiguecrack;Fracturetoughness;Linearmotion;Measuringtechniques;Mechanicaltesting;Plastics;Propagationfactors;Testing
【摘要】:ThisInternationalStandardspecifiesamethodformeasuringthepropagationofacrackinanotchedspecimensubjectedtoacyclictensileloadvaryingbetweenaconstantpositiveminimumandaconstantpositivemaximumvalue.Thetestresultsincludethecracklengthasafunctionofthenumberofloadcyclesandthecracklengthincreaserateasafunctionofthestressintensityfactorandenergyreleaserateatthecracktip.Thepossibleoccurrenceofdiscontinuitiesincrackpropagationisdetectedandreported.Themethodissuitableforusewiththefollowingrangeofmaterials:—rigidandsemi-rigidthermoplasticmouldingandextrusionmaterials(includingfilledandshort-fibre-reinforcedcompounds)plusrigidandsemi-rigidthermoplasticsheets;—rigidandsemi-rigidthermosettingmaterials(includingfilledandshort-fibre-reinforcedcompounds)plusrigidandsemi-rigidthermosettingsheets.
【中国标准分类号】:G31
【国际标准分类号】:83_080_01
【页数】:17P;A4
【正文语种】:英语