ASTM E 1191-1997 用海水糠虾进行生命周期毒性试验指南
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来源:标准资料网
【英文标准名称】:ConductingLife-CycleToxicityTestswithSaltwaterMysids
【原文标准名称】:用海水糠虾进行生命周期毒性试验指南
【标准号】:ASTME1191-1997
【标准状态】:作废
【国别】:美国
【发布日期】:1997
【实施或试行日期】:
【发布单位】:美国材料与试验协会(ASTM)
【起草单位】:ASTM
【标准类型】:()
【标准水平】:()
【中文主题词】:试验;污染控制;危险物质;毒性;海水
【英文主题词】:dangerousmaterials;testing;toxicity;seawater;pollutioncontrol
【摘要】:
【中国标准分类号】:Z16
【国际标准分类号】:13_300
【页数】:
【正文语种】:英语
【英文标准名称】:Low-voltageswitchgearandcontrolgear;part2:circuitbreakers(IEC947-2:1989andcorrigendum1990);germanversionEN60947-2:1991
【原文标准名称】:低压配电仪表.第2部分:断路器
【标准号】:DINVDE0660T.101-1992
【标准状态】:作废
【国别】:
【发布日期】:
【实施或试行日期】:
【发布单位】:德国标准化学会(DE-DIN)
【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】:
【国际标准分类号】:
【页数】:
【正文语种】:
【英文标准名称】:StandardTestMethodsforDetectingDetrimentalIntermetallicPhaseinDuplexAustenitic/FerriticStainlessSteels
【原文标准名称】:测定双联奥氏体/铁素体不锈钢不稳定金属间相的标准试验方法
【标准号】:ASTMA923-2006
【标准状态】:现行
【国别】:
【发布日期】:2006
【实施或试行日期】:
【发布单位】:美国材料与试验协会(ASTM)
【起草单位】:A01.14
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:奥氏体的;铁素体;不锈钢;结构
【英文主题词】:duplex;intermetallic;stainlesssteels
【摘要】:1.1Thepurposeofthesetestmethodsistoallowdetectionofthepresenceofintermetallicphasesinduplexstainlesssteelstotheextentthattoughnessorcorrosionresistanceisaffectedsignificantly.Thesetestmethodswillnotnecessarilydetectlossesoftoughnessorcorrosionresistanceattributabletoothercauses.1.2Duplex(austenitic-ferritic)stainlesssteelsaresusceptibletotheformationofintermetalliccompoundsduringexposuresinthetemperaturerangefromapproximately600to1750176;F(320to955176;C).Thespeedoftheseprecipitationreactionsisafunctionofcompositionandthermalorthermomechanicalhistoryofeachindividualpiece.Thepresenceofthesephasesisdetrimentaltotoughnessandcorrosionresistance.1.3Correctheattreatmentofduplexstainlesssteelscaneliminatethesedetrimentalphases.Rapidcoolingoftheproductprovidesthemaximumresistancetoformationofdetrimentalphasesbysubsequentthermalexposures.1.4Compliancewiththechemicalandmechanicalrequirementsfortheapplicableproductspecificationdoesnotnecessarilyindicatetheabsenceofdetrimentalphasesintheproduct.1.5Thesetestmethodsincludethefollowing:1.5.1TestMethodASodiumHydroxideEtchTestforClassificationofEtchStructuresofDuplexStainlessSteels(Sections).1.5.2TestMethodBCharpyImpactTestforClassificationofStructuresofDuplexStainlessSteels(Sections).1.5.3TestMethodCFerricChlorideCorrosionTestforClassificationofStructuresofDuplexStainlessSteels(Sections).1.6Thepresenceofdetrimentalintermetallicphasesisreadilydetectedinallthreetests,providedthatasampleofappropriatelocationandorientationisselected.Becausetheoccurrenceofintermetallicphasesisafunctionoftemperatureandcoolingrate,itisessentialthatthetestsbeappliedtotheregionofthematerialexperiencingtheconditionsmostlikelytopromotetheformationofanintermetallicphase.Inthecaseofcommonheattreatment,thisregionwillbethatwhichcooledmostslowly.Exceptforrapidlycooledmaterial,itmaybenecessarytosamplefromalocationdeterminedtobethemostslowlycooledforthematerialpiecetobecharacterized.1.7Thetestsdonotdeterminetheprecisenatureofthedetrimentalphasebutratherthepresenceorabsenceofanintermetallicphasetotheextentthatitisdetrimentaltothetoughnessandcorrosionresistanceofthematerial.1.8Examplesofthecorrelationofthermalexposures,theoccurrenceofintermetallicphases,andthedegradationoftoughnessandcorrosionresistancearegiveninand.1.9Thevaluesstatedineitherinch-poundorSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:H24
【国际标准分类号】:
【页数】:10P.;A4
【正文语种】:
