您的位置: 标准下载 » 协会标准 » ASTM 美国材料与试验协会 »

ASTM D3520-2004 热处理液体淬火时间的标准试验方法(磁性冷却速度试验器法)

作者:标准资料网 时间:2024-05-10 07:17:01  浏览:8704   来源:标准资料网
下载地址: 点击此处下载
【英文标准名称】:StandardTestMethodforQuenchingTimeofHeat-TreatingFluids(MagneticQuenchometerMethod)
【原文标准名称】:热处理液体淬火时间的标准试验方法(磁性冷却速度试验器法)
【标准号】:ASTMD3520-2004
【标准状态】:作废
【国别】:
【发布日期】:2004
【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】:D02.L0.06
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:淬火时间;试验;石油产品;淬火;润滑剂;液体
【英文主题词】:Curiepoint;magneticquenchometer;quench;quenchant
【摘要】:Theresultsobtainedbythetestmethoddescribedareusefulasguidesinselectingfluidswithrespecttoquenchingspeedcharacteristicsdesiredformetalquenchingapplications.Note38212;Althoughthistestmethodhasbeenfoundusefulforsomewater-basedfluids,thestatisticalsignificanceofthetesthasbeenestablishedonlybyround-robintestingofpetroleum-basedfluids.Theseresultswillprovideameasureofquenchingspeed(coolingrate)fromapproximately885x00B0;C(1625x00B0;F)to354x00B0;C(670x00B0;F)andarenotdirectlyproportionaltohardnessobtainableonmetalsquenchedthereinasmanyotherfactorsareinvolvedinthequenchingprocessinactualplantoperationwithproductionparts.Note48212;TestMethodD6200describestheequipmentandprocedureforcharacterizingthetime-temperatureperformanceofaquenchingoilthroughtheentirecoolingprocess.FIG.1MagneticQuenchometerFIG.2TestSequenceinBeaker1.1ThistestmethodcoversaprocedureformakingacomparativeevaluationofthequenchingspeedcharacteristicsofpetroleumfluidsusedinthequenchingofmetalsbymeansoftheMagneticQuenchometer.Note18212;AcomparisonmethodfortestingthehardenabilityofsteelisTestMethodA255.Note28212;AnadditionalcomparisonmethodforevaluationofthequenchingspeedcharacteristicsofpetroleumfluidsusedinthequenchingofmetalsisTestMethodD6200.1.2Thistestmethodprovidesameasureofchangesinoilchemistryduetocontamination,baseoildegradation,andadditivedrag-outduringuse.Thistestmeasureschangesinthequenchingspeedcharacteristicsofpetroleumfluidsatthehightemperature(>354176;C).Thistestmethoddoesnotreliablypredictmetallurgicalperformance.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatoryrequirementspriortouse.
【中国标准分类号】:J36
【国际标准分类号】:75_120
【页数】:6P.;A4
【正文语种】:


下载地址: 点击此处下载
【英文标准名称】:Airquality-Certificationofautomatedmeasuringsystems-Part1:Generalprinciples
【原文标准名称】:空气质量.自动化测量系统的证书.通用原理
【标准号】:BSEN15267-1-2009
【标准状态】:现行
【国别】:英国
【发布日期】:2009-04-30
【实施或试行日期】:2009-04-30
【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】:空气污染;空气净化;空气质量;自动;认证;定义;排放;排放测量;辐射测量仪表;检验;测量设备;测量仪器;测量系统;性能;性能试验;生产控制;质量保证;质量管理;规格试验;监督(认可);试验
【英文主题词】:Airpollution;Airpurification;Airquality;Automatic;Certification;Definitions;Emission;Emissionmeasurement;Emissionmeasuringinstruments;Inspection;Measuringequipment;Measuringinstruments;Measuringsystems;Performance;Performancetests;Productioncontrol;Qualityassurance;Qualitymanagement;Ratingtests;Surveillance(approval);Testing
【摘要】:ThisEuropeanStandardspecifiesthegeneralprinciples,includingcommonproceduresandrequirements,fortheproductcertificationofautomatedmeasuringsystems(AMS)formonitoringambientairqualityandemissionsfromstationarysources.Thisproductcertificationconsistsofthefollowingsequentialstages:a)performancetestingofanautomatedmeasuringsystem;b)initialassessmentoftheAMSmanufacturer’squalitymanagementsystem;c)certification;d)surveillance.ThisEuropeanStandardappliestothecertificationofallAMSformonitoringambientairqualityandemissionsfromstationarysourcesforwhichperformancecriteriaandtestproceduresareavailableinEuropeanStandards.
【中国标准分类号】:N56
【国际标准分类号】:13_040_99
【页数】:20P.;A4
【正文语种】:英语


【英文标准名称】:StandardSpecificationforNiobium-HafniumAlloyFoil,Sheet,Strip,andPlate
【原文标准名称】:铌铪合金箔,薄板,带材和板材标准规范
【标准号】:ASTMB654/B654M-2004
【标准状态】:现行
【国别】:
【发布日期】:2004
【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】:B10.03
【标准类型】:(Specification)
【标准水平】:()
【中文主题词】:铌铪合金箔;铌铪合金箔片;铌铪合金薄板;铌铪合金带材
【英文主题词】:niobium-hafniumalloyfoil;niobium-hafniumalloyfoilplate;niobium-hafniumalloysheet;niobium-hafniumalloystrip
【摘要】:1.1Thisspecificationcovershafniumalloyedniobiumfoil,sheet,strip,andplate.1.2ThematerialcoveredbythisspecificationisR04295,niobium-basealloycontainingapproximately10%hafniumand1%titanium.1.3Thevaluesstatedineitherinch-poundunitsorSIunitsaretoberegardedseparatelyasstandard.Withinthetext,theSIunitsareshowninbrackets.Thevaluesstatedineachsystemarenotexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnonconformancewiththespecification.1.4Thefollowingsafetyhazardscaveatpertainsonlytothetestmethodsportion,Section14,ofthisspecification:Thisstandarddoesnotpurporttoaddressallofthesafetyproblems,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:H63
【国际标准分类号】:77_150_99
【页数】:5P.;A4
【正文语种】: