您的位置: 标准下载 » 协会标准 » ASTM 美国材料与试验协会 »

ASTM D 3479/D 3479M-1996 聚合母体混合料拉伸疲劳度的标准试验方法

作者:标准资料网 时间:2024-05-15 10:33:25  浏览:9225   来源:标准资料网
下载地址: 点击此处下载
【英文标准名称】:StandardTestMethodforTension-TensionFatigueofPolymerMatrixCompositeMaterials
【原文标准名称】:聚合母体混合料拉伸疲劳度的标准试验方法
【标准号】:ASTMD3479/D3479M-1996
【标准状态】:现行
【国别】:美国
【发布日期】:1996
【实施或试行日期】:
【发布单位】:美国材料与试验协会(ASTM)
【起草单位】:ASTM
【标准类型】:()
【标准水平】:()
【中文主题词】:航空运输;抗拉强度;试验;纤维;叠层板材;航天技术;疲劳;材料;树脂;航空航天运输
【英文主题词】:airtransport;spacetechnology;laminates;testing;fatigue;aerospacetransport;tensilestrength;materials;resins;fibres
【摘要】:
【中国标准分类号】:W04
【国际标准分类号】:83_140_20
【页数】:6P;A4
【正文语种】:英语


下载地址: 点击此处下载
【英文标准名称】:StandardPracticeforAssessmentofCompatibilityofAbsorbable/ResorbableBiomaterialsforImplantApplications
【原文标准名称】:植入用可吸收和再吸收的生物材料的兼容性评定的标准实施规程
【标准号】:ASTMF1983-1999(2008)
【标准状态】:现行
【国别】:美国
【发布日期】:1999
【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】:F04.16
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:absorbables;biocompatibility;degradables;implantation;resorbables;Absorbable/resorbablebiomaterials;Biocompatibility;Compatibility;Degradation--surgicaldevices/applications;Implantablesurgicalmaterials/applications;Resorbables;Tissuere
【摘要】:Thispracticeisaguidelineforascreeningtestfortheevaluationofthelocaltissueresponsetomaterialsthatmaybeselectedforimplantationintothehumanbodyandwhichareexpectedtoundergodegradationbyabsorptionorresorptionwithinthreeyears.Thispracticeissimilartothatforstudiesoncandidatematerialsthatarenotresorbable,suchasthosespecifiedinPracticesF763,F981,andF1408;however,analysisofthehostresponsemusttakeintoaccounttheeffectofdegradationanddegradationproductsontheinflammatoryresponseatthelocaltissuesiteandonsubsequenthealingoftheimplantationsite.Thematerialtobetestedshouldbeinthefinalfinishedformasforintendeduse,includingsterilization.Material/bodyratiosshouldberelevanttothatofintendeddeviceuse.Materialsurfaceareaormasstobodymassratiosof1X,10X,and50Xifapplicable,arerecommended.Materialsthataredesignedforuseindeviceswithinsitupolymerizationshallbeintroducedinamannersuchthatinsitupolymerizationoccurs.Testingofindividualprecursorcomponentsisnotrecommended.1.1Thispracticeprovidesexperimentalprotocolsforbiologicalassaysoftissuereactionstoabsorbable/resorbablebiomaterialsforimplantapplications.Thispracticeappliesonlytoresorbable/absorbablematerialswithprojectedclinicalapplicationsinwhichthematerialswillresideinboneorsofttissuelongerthan30daysandlessthanthreeyears.Otherstandardswithdesignatedimplantationtimesareavailabletoaddresstheshortertimeperiods.Carefulconsiderationshouldbegiventotheappropriatenessofthispracticeforslowlydegradingmaterialsthatwillremainforlongerthanthreeyears.Itisanticipatedthatthetissueresponsetodegradingbiomaterialswillbedifferentfromtheresponsetononresorbablematerials.Inmanycases,achronicinflammatoryresponsemaybeobservedduringthedegradationphase,butthelocalhistologyshouldreturntonormalafterdegradation;therefore,theminimaltissueresponseusuallyequatedwithx201C;biocompatibilityx201D;mayrequirelongimplantations.1.2Thetimeperiodforimplantdegradationwillvarydependingonchemicalcompositionandimplantsize;therefore,theimplantationtimesforexaminationoftissueresponsewillbelinkedtotherateofresorption.Nosingleimplantationtimeisindicatedinthispractice.1.3Theseprotocolsassesstheeffectsofthematerialontheanimaltissueinwhichitisimplanted.Theexperimentalprotocolsdonotfullyassesssystemictoxicity,carcinogenicity,teratogenicity,ormutagenicityofthematerial.Otherstandardsareavailabletoaddresstheseissues.1.4Tomaximizeuseoftheanimalsinthestudyprotocol,alltoxicologicalfindingsshouldberecorded.Therearesomeaspectsofsystemictoxicity,includingeffectsofdegradationproductsonthetargetorgans,thatcanbeaddressedwiththispractice,andtheseeffectsshouldbedocumentedfully.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:C45
【国际标准分类号】:11_040_40
【页数】:5P.;A4
【正文语种】:英语


【英文标准名称】:AccessandTerminals(AT)-Multiple64kbit/sdigitalunrestrictedleasedlineswithoctetintegritypresentedatastructured2048kbit/sinterfaceateitherorbothends(D64M)-Connectioncharacteristicsandnetworkinterfacepresentation(Endorsemen
【原文标准名称】:通路和终端(AT).连接一端或双端结构化2048kbit/s接口的带完整八位字节多路64kbit/s数字无限制租用专线(D140U和D140S).连接特性和网络接口表示
【标准号】:DINEN300766-2002
【标准状态】:现行
【国别】:德国
【发布日期】:2002-01
【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】:商务电信;终端装置;数字信号;接口;通信设备;专业网络;通信网;规范(验收);远程通信;电信
【英文主题词】:Businesstelecommunications;Communicationnetworks;Communications;Digitalsignals;Interfaces(dataprocessing);Privatenetworks;Specification(approval);Telecommunication;Telecommunications;Terminald
【摘要】:Thedocumentspecifiesrequirementsinthetelecommunicationssector.
【中国标准分类号】:M30
【国际标准分类号】:33_040_50
【页数】:1P;A4
【正文语种】:德语