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ISO 4967-1998 钢非金属夹杂物含量的测定标准图显微法

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【英文标准名称】:Steel-Determinationofcontentofnonmetallicinclusions-Micrographicmethodusingstandarddiagrams
【原文标准名称】:钢非金属夹杂物含量的测定标准图显微法
【标准号】:ISO4967-1998
【标准状态】:现行
【国别】:国际
【发布日期】:1998-10
【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/TC17
【标准类型】:()
【标准水平】:()
【中文主题词】:非金属夹杂物;比较试验;缩微照相;材料规范;含量测定;钢;试验;试验
【英文主题词】:Comparativetests;Contentdetermination;Materialsspecification;Micrographics;Non-metallicinclusions;Steels;Testing;Tests
【摘要】:ThisInternationalStandardspecifiesamicrographicmethodofdeterminingthenonmetallicinclusionsinrolledorforgedsteelproductshavingareductionratioofatleast3usingstandarddiagrams.Thismethodiswidelyusedtoassessthesuitabilityofasteelforagivenuse.However,sinceitisdifficulttoachievereproducibleresultsowingtotheinfluenceofthetestoperator,evenwithalargenumberofspecimens,precautionsshouldbetakenwhenusingthemethod.NOTEForcertaintypesofsteel(e.g.,freecuttingsteels),thestandardizeddiagramsdescribedinthisInternationalStandardmaynotbeapplicable.ThisInternationalStandardalsoprovidesforthedeterminationofnonmetallicinclusionsbyimageanalysistechnologies(seeannexD).
【中国标准分类号】:H24
【国际标准分类号】:77_040_99
【页数】:37P;A4
【正文语种】:英语


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【英文标准名称】:Metallicmaterials-Torque-controlledfatiguetesting
【原文标准名称】:金属材料.扭矩受控的疲劳试验
【标准号】:ISO1352-2011
【标准状态】:现行
【国别】:国际
【发布日期】:2011-04-15
【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/TC164
【标准类型】:()
【标准水平】:()
【中文主题词】:定义(术语);疲劳试验;疲劳测试;材料测试;机械测试;钢;试样;测试;扭矩校验;扭转试验
【英文主题词】:Definitions;Fatiguetesting;Fatiguetests;Materialstesting;Mechanicaltesting;Steels;Testspecimens;Testing;Torquechecks;Torsiontests
【摘要】:ThisInternationalStandardspecifiestheconditionsforperformingtorsional,constant-amplitude,nominallyelasticstressfatiguetestsonmetallicspecimenswithoutdeliberatelyintroducingstressconcentrations.Thetestsaretypicallycarriedoutatambienttemperatureinair(ideallyatbetween10°Cand35°C)byapplyingapurecoupletothespecimenaboutitslongitudinalaxis.Whiletheform,preparationandtestingofspecimensofcircularcross-sectionandtubularcross-sectionaredescribedinthisInternationalStandard,componentandotherspecializedtypesoftestingarenotincluded.Similarly,low-cycletorsionalfatiguetestscarriedoutunderconstant-amplitudeangulardisplacementcontrol,whichleadtofailureinafewthousandcycles,arealsoexcluded.
【中国标准分类号】:H22
【国际标准分类号】:77_040_10
【页数】:28P.;A4
【正文语种】:英语


【英文标准名称】:StandardPracticeforSeparationofContaminantsinPolymersUsinganExtruderFilterTest
【原文标准名称】:标准的做法,在聚合物污染物分离过滤器试验用挤压机
【标准号】:ASTMD6265-2009
【标准状态】:现行
【国别】:美国
【发布日期】:2009
【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】:D20.95
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:contamination;extruderfiltrationtest;polyolefins;recycledplastics;Contamination--plastics;Contaminationseparation;Damageassessment--plastics;Delamination--plastics;Extruderfiltrationtest;Fiber-reinforcedcomposites;Polymermatrixcomposit
【摘要】:Problemswithextrusionandsubsequentprocessingofthematerialarecaused,inpart,bythepresenceofpaper,metal,gels,incompatiblepolymers,orotherextraneouscontaminationfoundinpolymers.1.1Thispracticecoversameanstoseparatetheunmoltenparticles,gels,andimpuritiescontaminatingapolymersample.Theproceduremaybeusedtoremovegelsandincompatiblematerialsthatmaycauseimperfectionsinthefinalextrudedproduct.Underpressure,mostgelswillbreakupordeformandpassthroughawiremeshfilter,howeverhighmolecularweightgelsmaynotbreakupordeform.1.2Ifdesired,materialsisolatedonawiremeshfiltercansubsequentlybeidentifiedbyspectroscopicorotheranalyticalmeans.Note18212;Althoughnotpresentedasaquantitativemethod,theprocedurepresentedinthispracticemaybeusedtoprovidequantitativeresultsatthediscretionoftheuser.Theuserassumestheresponsibilitytoverifythereproducibilityofquantitativeresults.Detectionlimitdependsonthemeshsizeofthefilterscreen,buttheprocedureisgenerallyapplicabletotheseparationofimmisciblecontaminantspresentatconcentrationsgreaterthan0.1%.1.3ThevaluesstatedinSIunitsaretoberegardedasstandard.1.4Thisstandarddoesnotpurporttoaddressthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Forspecifichazardsstatements,seeSection8.Note28212;ThereisnoknownISOequivalenttothispractice.
【中国标准分类号】:G31
【国际标准分类号】:83_020
【页数】:4P.;A4
【正文语种】:英语