SAE AMS4176 Honeycomb Core, Aluminum Alloy, For Sandwich Construction, 5056, 350 (175) (NONCURRENT Jul 1992)

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Product Code:SAE AMS4176
Title:Honeycomb Core, Aluminum Alloy, For Sandwich Construction, 5056, 350 (175) (NONCURRENT Jul 1992)
Issuing Committee:Ams D Nonferrous Alloys Committee
Scope:This specification covers one type of honeycomb core made of aluminum alloy and supplied in the form of blocks, slices, or other configurations as ordered.
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【英文标准名称】:StandardTestMethodforTrueSpecificGravityofRefractoryMaterialsbyGas-ComparisonPycnometer
【原文标准名称】:用气体比重法测定耐火材料真实比重的标准试验方法
【标准号】:ASTMC604-2002(2007)e1
【标准状态】:现行
【国别】:美国
【发布日期】:2002
【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】:C08.03
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:gascomparisonpycnometer;hydratablematerials;refractorymaterials;truespecificgravity;Gascomparisonpycnometer;Refractories(general);Specificgravity--refractorymaterials;Truespecificgravity
【摘要】:Thetruespecificgravityofamaterialistheratioofitstruedensity,determinedataspecifictemperature,tothetruedensityofwater,determinedataspecifictemperature.Thus,thetruespecificgravityofamaterialisaprimarypropertywhichisrelatedtochemicalandmineralogicalcomposition.ThistestmethodisparticularlyusefulforhydratablematerialswhicharenotsuitablefortestwithTestMethodC135.Forrefractoryrawmaterialsandproductsthetruespecificgravityisausefulvaluefor:classification,detectingdifferencesinchemicalcompositionbetweensupposedlylikesamples,indicatingmineralogicalphasesorphasechanges,calculatingtotalporositywhenthebulkdensityisknown,andforanyothertestmethodthatrequiresthisvalueforthecalculationofresults.Thistestmethodisaprimarystandardmethodwhichissuitableforuseinspecifications,qualitycontrol,andresearchanddevelopment.Itcanalsoserveasarefereetestmethodinpurchasingcontractsoragreements.Fundamentalassumptionsinherentinthistestmethodarethefollowing:Thesampleisrepresentativeofthematerialingeneral,Thetotalsamplehasbeenreducedtotheparticlesizespecified,Nocontaminationhasbeenintroducedduringprocessingofthesample,Theignitionofthesamplehaseliminatedallfreeorcombinedwaterwithoutinducingsinteringoralteration,Aninertgas(helium)hasbeenusedinthetest,andThetestmethodhasbeenconductedinameticulousmanner.Deviationfromanyoftheseassumptionsnegatestheusefulnessoftheresults.IninterpretingtheresultsofthistestmethoditmustberecognizedthatthespecifiedsampleparticlesizeissignificantlyfinerthanspecifiedforTestMethodC135.Eventhisfinerparticlesizeforthesampledoesnotprecludethepresenceofsomeclosedpores,andtheamountofresidualclosedporesmayvarybetweenmaterialsorevenbetweensamplesofthesameorlikematerials.Thevaluesgeneratedbythistestmethodmay,therefore,beverycloseapproximationsratherthanaccuraterepresentationsoftruespecificgravities.Thus,comparisonsofresultsshouldonlybejudiciouslymadebetweenlikematerialstestedbythistestmethodorwithfullrecognitionofpotentiallyinherentdifferencesbetweenthematerialsbeingcomparedorthetestmethodused.1.1Thistestmethodcoversthedeterminationofthetruespecificgravityofsolidmaterials,andisparticularlyusefulformaterialsthateasilyhydratewhicharenotsuitablefortestwithTestMethodC135.ThistestmethodmaybeusedasanalternateforTestMethodC135,TestMethodC128,andTestMethodC188fordeterminingtruespecificgravity.1.2Units8212;ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.2.1Exception8212;In7.3theequivalentSIunitisexpressedinparenthesis.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Q40
【国际标准分类号】:81_080
【页数】:3P.;A4
【正文语种】:英语


【英文标准名称】:Wingnuts
【原文标准名称】:蝶形螺母
【标准号】:JISB1185-1994
【标准状态】:作废
【国别】:日本
【发布日期】:1994-03-01
【实施或试行日期】:
【发布单位】:日本工业标准调查会(JP-JISC)
【起草单位】:TechnicalCommitteeonMachineElements
【标准类型】:()
【标准水平】:()
【中文主题词】:蝶形螺母
【英文主题词】:wingnuts
【摘要】:との規格は,一般に用いる金属製のちょうナット(以下,ナットという。)について規定する。
【中国标准分类号】:J13
【国际标准分类号】:21_060_20
【页数】:12P;A4
【正文语种】:日语