SAE AMS4782 Nickel Alloy, Brazing Filler Metal 71ni 10si 19cr, 1975 to 2075Mdf (1080 to 1135Mdc) Solidus-Liquidus Range
作者:标准资料网 时间:2024-05-27 03:07:42 浏览:8053
来源:标准资料网
Product Code:SAE AMS4782
Title:Nickel Alloy, Brazing Filler Metal 71ni 10si 19cr, 1975 to 2075Mdf (1080 to 1135Mdc) Solidus-Liquidus Range
Issuing Committee:Ams F Corrosion Heat Resistant Alloys Committee
Scope:This specification covers a nickel alloy in the form of wire, rod, strip, foil, and powder and a viscous mixture (paste) of powder in a suitable binder.
【英文标准名称】:ELECTROTECHNICALVOCABULRAY.GROUP63.GENERALRADIOTECHNIQUE:RADIOTRANSMITTERSANDRECEIVERS.
【原文标准名称】:电工词汇.63组.一般无线电技术.无线电发射机和接收机
【标准号】:NFC01-063/A1-1972
【标准状态】:作废
【国别】:法国
【发布日期】:1972-04
【实施或试行日期】:1972-04-14
【发布单位】:法国标准化协会(AFNOR)
【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】:M36
【国际标准分类号】:
【页数】:5P;A4
【正文语种】:其他
【英文标准名称】:StandardTestMethodforDeterminationofPoreVolumeandPoreVolumeDistributionofSoilandRockbyMercuryIntrusionPorosimetry
【原文标准名称】:用水银注入岩孔率计测定土壤和岩石孔隙容积与孔隙容积分布的标准试验方法
【标准号】:ASTMD4404-1984(2004)
【标准状态】:现行
【国别】:
【发布日期】:1984
【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】:D18.06
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:土壤;孔隙率;孔隙率;孔隙;频率分布;孔容;汞;液体导电率;液压导电率;渗透率;孔容量;土壤物理学
【英文主题词】:frequencydistribution;hydraulicconductivity;mercury;permeability;poredistribution;porevolume;poresize;porosimetry;porosity;soil;soilphysics;voids
【摘要】:Thistestmethodisintendedforuseindeterminingthevolumeandthevolumedistributionofporesinsoilandrockwithrespecttotheapparentdiameteroftheentrancesofthepores.Ingeneral,boththesizeandvolumeoftheporesaffectsthesoilorrockperformance.Thus,theporevolumedistributionisusefulinunderstandingsoilandrockperformanceandinidentifyingamaterialthatcanbeexpectedtoperforminaparticularmanner(1,2).41.1Thistestmethodcoversthedeterminationoftheporevolumeandtheporevolumedistributionsofsoilandrockbythemercuryintrusionporosimetrymethod.Therangeofapparentdiametersofporesforwhichthistestmethodisapplicableisfixedbytheoperantpressurerangeofthetestinginstrument.Thisrangeistypicallybetweenapparentporeentrancediametersofabout100[mu]mand2.5nm(0.0025[mu]m).Largerporesmustbemeasuredbyanothermethod.1.2Mercuryintrusionporosimetryisusefulonlyformeasuringporesopentotheoutsideofasoilorrockfragment;mercuryintrusionporosimetrywillnotgivethevolumeofanyporescompletelyenclosedbysurroundingsolids.Thistestmethodwillgiveonlythevolumeofintrudableporesthathaveanapparentdiametercorrespondingtoapressurewithinthepressurizingrangeofthetestinginstrument.1.3Theintrusionprocessproceedsfromtheoutsideofafragmenttowarditscenter.Comparativelylargeinteriorporescanexistthathavesmallerporesastheonlymeansofaccess.Mercuryintrusionporosimetrywillincorrectlyregistertheentirevolumeofthese"ink-bottle"poresashavingtheapparentdiameterofthesmalleraccesspores.Inatestsample,inter-fragmentporescanexistinadditiontointra-fragmentpores(seeSection3fordefinitions).Theinter-fragmentporeswillvaryinsizeandvolumedependingonthesizeandshapeofthesoilorrockfragmentsandonthemannerinwhichthefragmentsarepackedtogether.Itispossiblethatsomeinter-fragmentporescanhavethesameapparentdiameterassomeintra-fragmentpores.Whenthisoccursthistestmethodcannotdistinguishbetweenthem.Thus,thetestmethodyieldsanintrudedporevolumedistributionthatisinpartdependentuponthepackingofmultifragmentsamples.However,mostsoilsandrockshaveintra-fragmentporesmuchsmallerthantheinter-fragmentpores.Thissituationleadstoabi-modalporesizedistributionandthedistinctionbetweenthetwoclassesofporescanthenbemade(seeFigs.1and2).1.4Mercuryintrusionmayinvolvetheapplicationofhighpressurestothesample.Thismayresultinatemporary,orpermanent,ortemporaryandpermanentalterationintheporegeometry.Generally,soilsandrocksarecomposedofcomparativelystrongsolidsandarelesssubjecttothesealterationsthancertainothermaterials.However,thepossibilityremainsthattheuseofthistestmethodmayalterthenaturalporevolumedistributionthatisbeingmeasured.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyproblems,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoconsultandestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Forspecificprecautionstatements,seeSection8.
【中国标准分类号】:P13
【国际标准分类号】:93_020
【页数】:6P.;A4
【正文语种】:
