SAE AMS4439 Magnesium Alloy Castings, 4.2Zn - 1.2 Rare Earths - 0.70Zr (ZE41A-T5), Precipitation Heat Treated

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Product Code:SAE AMS4439
Title:Magnesium Alloy Castings, 4.2Zn - 1.2 Rare Earths - 0.70Zr (ZE41A-T5), Precipitation Heat Treated
Issuing Committee:Ams D Nonferrous Alloys Committee
Scope: his specification covers a magnesium alloy in the form of castings.
Rationale: his specification covers a magnesium alloy in the form of castings.

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上一篇: SAE AMS4330 Aluminum Alloy, Plate (2297-T87) 2.8cu 1.5li 0.30mn 0.12zr Solution Heat Treated, Stretched, and Artificiall
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【英文标准名称】:StandardTestMethodsforAsphaltContentofBituminousMixturesbytheNuclearMethod
【原文标准名称】:用核技术测定沥青混合料中沥青含量的标准试验方法
【标准号】:ASTMD4125-2005
【标准状态】:现行
【国别】:
【发布日期】:2005
【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】:D04.25
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:承重面的表面修饰;含量测定;地沥青;表面;施工材料;路面(道路);建筑;试验;材料;混合物;精整;额定值;道路建筑;沥青
【英文主题词】:asphaltcontent;bituminousmixtures;nuclearasphaltcontent;nucleartestprocedure;qualitycontrol
【摘要】:Thesetestmethodsareusefulasarapid,nondestructivetechniquefordeterminationofasphaltcontentofbituminousmixtures.Thesetestmethodsaresuitableforqualitycontrolandacceptancetestingforconstructionandforresearchanddevelopmentapplications.Thetestmethodisusedfordeterminationofasphaltcontentonlyasitdoesnotprovideextractedaggregateforgradationanalysis.Thenon-destructivenatureofthetestallowsrepetitivemeasurementstobemadeonasingletestsampleforstatisticalanalysisoftestdata.Thesetestmethodsdeterminetheasphaltcontentofatestsamplebycomparingthemeasuredasphaltcontentwithpreviouslyestablishedcalibrationdata.3.4.1Theasphaltcontentofamaterialexpressedasapercentage,istheratioofthemassofasphaltinagivenmassofmaterialtothetotalmassofthesampleortothemassofthesolidmaterialparticles.1.1Thesetestmethodscovertheproceduresfordeterminingtheasphaltcontentofsamplesofuncompactedbituminousmixtures(TestMethodA),andoflaboratorycompactedspecimensofbituminousmixtures(TestMethodB)byexaminingatestsamplewithanapparatusthatutilizesneutronthermalizationtechniques.1.2ThevaluesexpressedinSIunitsareregardedasthestandard.Theinch-poundsequivalentsmaybeapproximate.1.3AprecisionandbiasstatementforMethodBinthisstandardhasnotbeendevelopedatthistime.Therefore,MethodBshouldnotbeusedforacceptanceorrejectionofamaterialforpurchasingpurposes.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.SeeSection6and8.4.2,8.5.6,andNote4,forspecifichazards.
【中国标准分类号】:E43
【国际标准分类号】:93_080_20
【页数】:5P.;A4
【正文语种】:

Product Code:SAE AS7109/3
Title:National Aerospace and Defense Contractors Accreditation Program (Nadcap) Requirements for Cementation
Issuing Committee:Nadcap Management Council
Scope: This Aerospace Standard (AS) is to be used as a supplement to SAE AS7109. In addition to the requirements contained in AS7109, the requirements contained herein shall apply to suppliers seeking NADCAP Coatings accreditation who are engaged in cementation.