【英文标准名称】:StandardTestMethodforDrop-WeightTearTestsofFerriticSteels
【原文标准名称】:铁素体钢的落球锤式撕裂试验的标准试验方法
【标准号】:ASTME436-2003
【标准状态】:现行
【国别】:
【发布日期】:2003
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:E08.02
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:金属;铁素体钢;试验;机械试验;钢
【英文主题词】:brittlefracture;drop-weightteartest;ferriticsteels;fractureappearance;impactloading;percentsheararea
【摘要】:Thistestmethodcanbeusedtodeterminetheappearanceofpropagatingfracturesinplaincarbonorlow-alloypipesteels(yieldstrengthslessthan825MPaor120000psi)overthetemperaturerangewherethefracturemodechangesfrombrittle(cleavageorflat)toductile(shearoroblique).Thistestmethodcanservethefollowingpurposes:3.2.1Forresearchanddevelopment,tostudytheeffectofmetallurgicalvariablessuchascompositionorheattreatment,oroffabricatingoperationssuchasweldingorformingonthemodeoffracturepropagation.3.2.2Forevaluationofmaterialsforservicetoindicatethesuitabilityofamaterialforspecificapplicationsbyindicatingfracturepropagationbehaviorattheservicetemperature(s).3.2.3Forinformationorspecificationpurposes,toprovideamanufacturingqualitycontrolonlywhensuitablecorrelationshavebeenestablishedwithservicebehavior.1.1Thistestmethodcoversdrop-weightteartests(DWTT)onferriticsteelswiththicknessesbetween3.18and19.1mm(0.125and0.750in.).1.2ThevaluesstatedinSI(metric)unitsaretoberegardedasthestandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:H22
【国际标准分类号】:77_040_10
【页数】:6P.;A4
【正文语种】:


【英文标准名称】:AssessmentofAverageOutgoingQualityLevelsinPartsPerMillion(PPM)
【原文标准名称】:用百万分部分(PPM)的平均输出质量水平的评定
【标准号】:ANSI/EIA-554-1-1996
【标准状态】:现行
【国别】:美国
【发布日期】:1996
【实施或试行日期】:
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:ANSI
【标准类型】:()
【标准水平】:()
【中文主题词】:质量管理;电气工程
【英文主题词】:Electricalengineering;Electronicengineering;Quality;Qualitymanagement
【摘要】:Providesauniformmethodifmeasurementandcalculationofaverageoutgoingqualitylevels.Minimumsamplesizesandamethodforaggregatingdataareprovided.
【中国标准分类号】:L04
【国际标准分类号】:03_120_10;31_020
【页数】:
【正文语种】:英语