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
时间:2024-05-14 12:44:11 来源: 标准资料网 作者：标准资料网 阅读：8748
【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
Product Code:SAE AMS4090
Title:Aluminum Alloy, Plate, 5.7Zn - 2.2Mg - 1.6Cu - 0.22Cr (7475-T651) Solution Heat Treated, Stress Relieved, and Precipitation Heat Treated
Issuing Committee:Ams D Nonferrous Alloys Committee
Scope:This specification covers an aluminum alloy in the form of plate.This plate has been used typically for structural applications requiring plate with high strength, moderate fatigue strength, and high fracture-toughness, but usage is not limited to such applications.【英文标准名称】:Lampcontrolgear-Part2-2:Particularrequirementsford.c.ora.c.suppliedelectronicstep-downconvertorsforfilamentlamps;Amendment1
【原文标准名称】:灯的控制装置.第2-2部分:白炽灯的直流或交流供电电子降压变换器的特殊要求.
【标准号】:IEC61347-2-2AMD1-2005
【标准状态】:现行
【国别】:国际
【发布日期】:2005-12
【实施或试行日期】:
【发布单位】:国际电工委员会(IX-IEC)
【起草单位】:IEC/SC34C
【标准类型】:()
【标准水平】:()
【中文主题词】:交流电流;镇流器;连接;转炉(金属);设计;测定;介电强度;直流电流;接地导线;电灯;接线端;电气设备;电气工程;电气安全;设备安全;白热丝灯;灯丝;照明工程;白炽灯;仪器;绝缘;灯;照明系统;防电击;安全要求;规范(验收);试验
【英文主题词】:Alternatingcurrent;Ballasts;Connections;Contactsafetydevices;Convertors(metals);Definitions;Design;Determination;Dielectricstrength;Directcurrent;Earthconductors;Electriclamps;Electricterminals;Electricalappliances;Electricalengineering;Electricalsafety;Equipmentsafety;Filamentlamps;Filaments(lamps);Illuminationengineering;Incandescentlamps;Inscription;Instruments;Insulations;Lamps;Letterings;Lightingsystems;Protectionagainstelectricshocks;Safetyrequirements;Specification(approval);Testing
【摘要】:ThisisAmendment1toIEC61347-2-2-2000(Lampcontrolgear-Part2-2:Particularrequirementsford.c.ora.c.suppliedelectronicstep-down)
【中国标准分类号】:K72
【国际标准分类号】:29_140_99
【页数】:8P.;A4
【正文语种】:英语