GA/T 155-1996 刑事录像后期制作质量要求
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时间:2024-05-10 08:33:15
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来源:标准资料网
基本信息
标准名称: | 刑事录像后期制作质量要求 |
英文名称: | Quality standard for forensic videography of the criminalcase photograph |
中标分类: |
综合 >>
社会公共安全 >>
犯罪鉴定技术 |
发布日期: | |
实施日期: | 1992-07-01 |
首发日期: | |
作废日期: | |
出版社: | 中国标准出版社 |
出版日期: | 2004-04-23 |
页数: | 7页 |
书号: | 155066.2-11578 |
适用范围
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前言
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目录
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引用标准
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所属分类: 综合 社会公共安全 犯罪鉴定技术
Product Code:SAE AMS5389
Title:Alloy Castings, Sand, Corrosion and Heat Resistant, 55Ni - 16.5Cr - 17Mo - 4.5W - 5.8Fe - 0.40V, Solution Heat Treated (NONCURRENT November 1994)
Issuing Committee:Ams F Corrosion Heat Resistant Alloys Committee
Scope:This specification covers a corrosion and heat resistant nickel alloy in the form of sand castings.【英文标准名称】:StandardTestMethodforCompressivePropertiesofPolymerMatrixCompositeMaterialsUsingaCombinedLoadingCompression(CLC)TestFixture
【原文标准名称】:用组合载荷压缩(CLC)固定试验设备测定聚合体基复合材料层压板压缩特性的标准试验方法
【标准号】:ASTMD6641/D6641M-2009
【标准状态】:现行
【国别】:美国
【发布日期】:2009
【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】:D30.04
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:combinedloading;compositematerials;compressivemodulusofelasticity;compressiveproperties;compressivestrength;Poisson'sratio;CLC(combinedloadingcompression)device;Composites;Compressiontesting--composites;Polymermatrixcomposite
【摘要】:Thistestmethodisdesignedtoproducecompressivepropertydataformaterialspecifications,researchanddevelopment,qualityassurance,andstructuraldesignandanalysis.Whentabbed(ProcedureB)specimens,typicallyunidirectionalcomposites,aretested,theCLCtestmethod(combinedshearendloading)hassimilaritiestoTestMethodsD3410/D3410M(shearloading)andD695(endloading).WhentestinglowerstrengthmaterialssuchthatuntabbedCLCspecimenscanbeused(ProcedureA),thebenefitsofcombinedloadingbecomeparticularlyprominent.Itmaynotbepossibletosuccessfullytestuntabbedspecimensofthesesamematerialsusingeitheroftheothertwomethods.Whenspecificlaminatesaretested(primarilyofthe[90/0]nsfamily,althoughotherlaminatescontainingatleastone0x00B0;plycanbeused),theCLCdataarefrequentlyusedtox201C;backoutx201D;0x00B0;plystrength,usinglaminationtheorytocalculatea0x00B0;unidirectionallaminastrength(1,2).Factorsthatinfluencethecompressiveresponseinclude:typeofmaterial,methodsofmaterialpreparationandlay-up,specimenstackingsequence,specimenpreparation,specimenconditioning,environmentoftesting,speedoftesting,timeattemperature,voidcontent,andvolumepercentreinforcement.Compositepropertiesinthetestdirectionthatmaybeobtainedfromthistestmethodinclude:Ultimatecompressivestrength,Ultimatecompressivestrain,Compressive(linearorchord)modulusofelasticity,andPoisson''sratioincompression.1.1Thistestmethoddeterminesthecompressivestrengthandstiffnesspropertiesofpolymermatrixcompositematerialsusingacombinedloadingcompression(CLC)(1)testfixture.Thistestmethodisapplicabletogeneralcompositesthatarebalancedandsymmetric.Thespecimenmaybeuntabbed(ProcedureA)ortabbed(ProcedureB),asrequired.Onerequirementforasuccessfultestisthatthespecimenendsdonotcrushduringthetest.Untabbedspecimensareusuallysuitableforusewithmaterialsofloworthotropy,forexample,fabrics,choppedfibercomposites,andlaminateswithamaximumof50%0x00B0;plies,orequivalent(see6.4).Materialsofhigherorthotropy,includingunidirectionalcomposites,typicallyrequiretabs.1.2Thecompressiveforceisintroducedintothespecimenbycombinedend-andshear-loading.Incomparison,TestMethodD3410/D3410Misapureshear-loadingcompressiontestmethodandTestMethodD695isapureend-loadingtestmethod.1.3Unidirectional(0x00B0;plyorientation)compositesaswellasmulti-directionalcompositelaminates,fabriccomposites,choppedfibercomposites,andsimilarmaterialscanbetested.1.4ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Withinthetesttheinch-poundunitsareshowninbrackets.Thevaluesstatedineachsystemarenotexactequivalents;therefore,eachsystemmustbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnonconformancewiththestandard.Note18212;AdditionalproceduresfordeterminingthecompressivepropertiesofpolymermatrixcompositesmaybefoundinTestMethodsD3410/D3410M,D5467,andD695.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,if......
【中国标准分类号】:G31
【国际标准分类号】:83_140_10
【页数】:11P.;A4
【正文语种】:英语