【英文标准名称】:RECIPROCATINGINTERNALCOMBUSTIONENGINES.DESIGNATIONOFTHEDIRECTIONOFROTATION,DESIGNATIONOFCYLINDERSANDVALVESINCYLINDERSHEADS.DEFINITIONOFRIGHT-HANDANDLEFT-HANDIN-LINEENGINESANDLOCATIONSONANENGINE.
【原文标准名称】:往复式内燃机.旋转方向符号和汽缸盖上的符号.直燃式内燃机左机或右机的定义
【标准号】:NFE37-054-1988
【标准状态】:作废
【国别】:法国
【发布日期】:1988-09
【实施或试行日期】:1988-08-05
【发布单位】:法国标准化协会(AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:
【中国标准分类号】:J92
【国际标准分类号】:27_020
【页数】:14P;A4
【正文语种】:其他


【英文标准名称】:Metallicmaterials-Methodoftestforthedeterminationofquasistaticfracturetoughnessofwelds
【原文标准名称】:金属材料.准静态断裂韧性测定的统一试验方法
【标准号】:BSENISO15653-2010
【标准状态】:现行
【国别】:英国
【发布日期】:2010-07-31
【实施或试行日期】:2010-07-31
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:抗断裂强度;裂开;定义(术语);测定;介电强度;尺寸选定;断裂伸长;疲劳特性;断裂韧性;材料性能;材料;材料测试;数学计算;测量;测量技术;机械测试;金属材料;金相学;金属;有缺口冲击试验;抗破裂构造;试样制备;符号;试验设备;试验报告;试样;试验温度;试验;焊接接头;焊接工程;焊缝
【英文主题词】:Breakingstrength;Cracking;Definitions;Determination;Dielectricstrength;Dimensioning;Elongationatfracture;Fatiguebehaviour;Fracturetoughness;Materialproperties;Materials;Materialstesting;Mathematicalcalculations;Measurement;Measuringtechniques;Mechanicaltesting;Metallicmaterials;Metallography;Metals;Notchedbarimpactwork;Resistancetocrackformation;Specimenpreparation;Symbols;Testequipment;Testreports;Testspecimens;Testtemperatures;Testing;Weldedjoints;Weldingengineering;Welds
【摘要】:ThisInternationalStandardspecifiesmethodsfordeterminingfracturetoughnessintermsofK(stressintensityfactor),δ(cracktipopeningdisplacement,CTOD)andJ(experimentalequivalentoftheJ-integral)forweldsinmetallicmaterials.ThisInternationalStandardiscomplementarytoISO12135,whichcoversallaspectsoffracturetoughnesstestingofparentmetalandwhichneedstobeusedinconjunctionwiththisdocument.ThisInternationalStandarddescribesmethodsfordeterminingpointvaluesoffracturetoughness.ItshouldnotbeconsideredawayofobtainingavalidR-curve(resistance-to-crack-extensioncurve).However,thespecimenpreparationmethodsdescribedinthisInternationalStandardcouldbeusefullyemployedwhendeterminingR-curvesforwelds.Themethodsusefatigueprecrackedspecimenswhichhavebeennotched,afterwelding,inaspecifictargetareaintheweld.Methodsaredescribedtoevaluatethesuitabilityofaweldfornotchplacementwithinthetargetarea,whichiseitherwithintheweldmetalorwithintheweldheat-affectedzone(HAZ),andthen,whereappropriate,toevaluatetheeffectivenessofthefatiguecrackinsamplingtheseareas.
【中国标准分类号】:H23
【国际标准分类号】:25_160_40
【页数】:52P;A4
【正文语种】:英语