MIL-STD-1386-45
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MIL-STD-1386-45, MILITARY STANDARD LOADING OF HAZARDOUS MATERIALS AND ASSOCIATED ITEMS IN MILVAN CONTAINERS BOMB G.P. MK 81 MOD 1(250LBS) EMPTY (27 SEPT 1974).,
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【英文标准名称】:StandardTestMethodforDeterminationofThermalShockResistanceforAdvancedCeramicsbyWaterQuenching
【原文标准名称】:用水淬火法测定高级陶瓷制品耐热冲击性的标准试验方法
【标准号】:ASTMC1525-2004
【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】:C28.01
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:抗震性;热冲击;耐热冲击强度;测定;水;淬火;热阻;陶瓷
【英文主题词】:ceramics;quench;strength;thermalshock
【摘要】:Thehightemperaturecapabilitiesofadvancedceramicsareakeyperformancebenefitformanydemandingengineeringapplications.Inmanyofthoseapplications,advancedceramicswillhavetoperformacrossabroadtemperaturerangewithexposuretosuddenchangesintemperatureandheatflux.Thermalshockresistanceoftheceramicmaterialisacriticalfactorindeterminingthedurabilityofthecomponentundertransientthermalconditions.Thistestmethodisusefulformaterialdevelopment,qualityassurance,characterization,andassessmentofdurability.Ithaslimitedvaluefordesigndatageneration,becauseofthelimitationsoftheflexuraltestgeometryindeterminingfundamentaltensileproperties.AppendixX1(followingEN820-3)providesanintroductiontothermalstresses,thermalshock,andcriticalmaterial/geometryfactors.Theappendixalsocontainsamathematicalanalysisofthestressesdevelopedbythermalexpansionundersteadystateandtransientconditions,asdeterminedbymechanicalproperties,thermalcharacteristics,andheattransfereffects.1.1Thistestmethoddescribesthedeterminationoftheresistanceofadvancedceramicstothermalshockbywaterquenching.Themethodbuildsontheexperimentalprincipleofrapidquenchingofatestspecimenatanelevatedtemperatureinawaterbathatroomtemperature.Theeffectofthethermalshockisassessedbymeasuringthereductioninflexuralstrengthproducedbyrapidquenchingoftestspecimensheatedacrossarangeoftemperatures.Foraquantitativemeasurementofthermalshockresistance,acriticaltemperatureintervalisdeterminedbyareductioninthemeanflexuralstrengthofatleast30%.Thetestmethoddoesnotdeterminethermalstressesdevelopedasaresultofasteadystatetemperaturedifferenceswithinaceramicbodyorofthermalexpansionmismatchbetweenjoinedbodies.Thetestmethodisnotintendedtodeterminetheresistanceofaceramicmaterialtorepeatedshocks.Sincethedeterminationofthethermalshockresistanceisperformedbyevaluatingretainedstrength,themethodisnotsuitableforceramiccomponents;however,testspecimenscutfromcomponentsmaybeused.1.2Thetestmethodisintendedprimarilyfordensemonolithicceramics,butmayalsobeapplicabletocertaincompositessuchaswhisker-orparticulate-reinforcedceramicmatrixcompositesthataremacroscopicallyhomogeneous.1.3ValuesexpressedinthisstandardtestmethodareinaccordancewiththeInternationalSystemofUnits(SI)andStandardIEEE/ASTMSI10.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Q32
【国际标准分类号】:
【页数】:8P.;A4
【正文语种】:
【英文标准名称】:Technicalspecificationsforstuds,bushesandsimilarpartsforfinemechanics-Dtuds
【原文标准名称】:精密机械用双头螺栓、轴衬和类似零件的技术规范.双头螺栓
【标准号】:DIN58465-1-1975
【标准状态】:作废
【国别】:德国
【发布日期】:1975-03
【实施或试行日期】:
【发布单位】:德国标准化学会(DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:螺栓;边;轴衬(机械元件);公差(测量);规范(验收);精密机械
【英文主题词】:specification(approval);bolts;bushes(mechanicalcomponents);edge;finemechanics;tolerances(measurement)
【摘要】:
【中国标准分类号】:J13
【国际标准分类号】:39_020;21_060_10
【页数】:2P;A4
【正文语种】:德语
【原文标准名称】:用水淬火法测定高级陶瓷制品耐热冲击性的标准试验方法
【标准号】:ASTMC1525-2004
【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】:C28.01
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:抗震性;热冲击;耐热冲击强度;测定;水;淬火;热阻;陶瓷
【英文主题词】:ceramics;quench;strength;thermalshock
【摘要】:Thehightemperaturecapabilitiesofadvancedceramicsareakeyperformancebenefitformanydemandingengineeringapplications.Inmanyofthoseapplications,advancedceramicswillhavetoperformacrossabroadtemperaturerangewithexposuretosuddenchangesintemperatureandheatflux.Thermalshockresistanceoftheceramicmaterialisacriticalfactorindeterminingthedurabilityofthecomponentundertransientthermalconditions.Thistestmethodisusefulformaterialdevelopment,qualityassurance,characterization,andassessmentofdurability.Ithaslimitedvaluefordesigndatageneration,becauseofthelimitationsoftheflexuraltestgeometryindeterminingfundamentaltensileproperties.AppendixX1(followingEN820-3)providesanintroductiontothermalstresses,thermalshock,andcriticalmaterial/geometryfactors.Theappendixalsocontainsamathematicalanalysisofthestressesdevelopedbythermalexpansionundersteadystateandtransientconditions,asdeterminedbymechanicalproperties,thermalcharacteristics,andheattransfereffects.1.1Thistestmethoddescribesthedeterminationoftheresistanceofadvancedceramicstothermalshockbywaterquenching.Themethodbuildsontheexperimentalprincipleofrapidquenchingofatestspecimenatanelevatedtemperatureinawaterbathatroomtemperature.Theeffectofthethermalshockisassessedbymeasuringthereductioninflexuralstrengthproducedbyrapidquenchingoftestspecimensheatedacrossarangeoftemperatures.Foraquantitativemeasurementofthermalshockresistance,acriticaltemperatureintervalisdeterminedbyareductioninthemeanflexuralstrengthofatleast30%.Thetestmethoddoesnotdeterminethermalstressesdevelopedasaresultofasteadystatetemperaturedifferenceswithinaceramicbodyorofthermalexpansionmismatchbetweenjoinedbodies.Thetestmethodisnotintendedtodeterminetheresistanceofaceramicmaterialtorepeatedshocks.Sincethedeterminationofthethermalshockresistanceisperformedbyevaluatingretainedstrength,themethodisnotsuitableforceramiccomponents;however,testspecimenscutfromcomponentsmaybeused.1.2Thetestmethodisintendedprimarilyfordensemonolithicceramics,butmayalsobeapplicabletocertaincompositessuchaswhisker-orparticulate-reinforcedceramicmatrixcompositesthataremacroscopicallyhomogeneous.1.3ValuesexpressedinthisstandardtestmethodareinaccordancewiththeInternationalSystemofUnits(SI)andStandardIEEE/ASTMSI10.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Q32
【国际标准分类号】:
【页数】:8P.;A4
【正文语种】:
【英文标准名称】:Technicalspecificationsforstuds,bushesandsimilarpartsforfinemechanics-Dtuds
【原文标准名称】:精密机械用双头螺栓、轴衬和类似零件的技术规范.双头螺栓
【标准号】:DIN58465-1-1975
【标准状态】:作废
【国别】:德国
【发布日期】:1975-03
【实施或试行日期】:
【发布单位】:德国标准化学会(DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:螺栓;边;轴衬(机械元件);公差(测量);规范(验收);精密机械
【英文主题词】:specification(approval);bolts;bushes(mechanicalcomponents);edge;finemechanics;tolerances(measurement)
【摘要】:
【中国标准分类号】:J13
【国际标准分类号】:39_020;21_060_10
【页数】:2P;A4
【正文语种】:德语
