SAE AIR1245 Power Sources for Fluidic Controls
时间:2024-05-22 20:30:03 来源: 标准资料网 作者：标准资料网 阅读：9305
Product Code:SAE AIR1245
Title:Power Sources for Fluidic Controls
Issuing Committee:A-6a3 Flight Control Systems Committee
Scope:This SAE Aerospace Information Report (AIR) presents a review of the types and general characteristics of power sources that may be used to provide the power for gaseous or liquid fluidic control systems. Fluidic definitions, terminology, units and symbols are defined in Reference 2.1.1.
【英文标准名称】:
【原文标准名称】:建筑机械用仪表的振动和冲击试验方法
【标准号】:JISA8101-1978
【标准状态】:作废
【国别】:日本
【发布日期】:1978-06-01
【实施或试行日期】:1978-06-01
【发布单位】:日本工业标准调查会(JISC)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:振动试验;量规;施工设备;冲击试验
【英文主题词】:
【摘要】:
【中国标准分类号】:N04
【国际标准分类号】:
【页数】:
【正文语种】:
【英文标准名称】:StandardTestMethodforTensilePropertiesofPultrudedGlass-Fiber-ReinforcedPlasticRod
【原文标准名称】:挤拔玻璃纤维增强塑料棒张力特性的试验方法
【标准号】:ASTMD3916-2008
【标准状态】:现行
【国别】:美国
【发布日期】:2008
【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】:D20.18
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:glassreinforcedplastic;pultrudedrods;tensileproperties;Glass-fiber-reinforced(GRP)plastics;Plasticglass-fiber-reinforcedpultrudedrod;Reinforcedplastics;Reinforcedthermosettingplastics(RTP);Tensileproperties/testing--plastics
【摘要】:Thehighaxial-tensilestrengthandthelowtransverse-compressivestrengthofpultrudedrodcombinetopresentsomeuniqueproblemsindeterminingthetensilestrengthofthismaterialwithconventionaltestgrips.Thehightransverse-compressiveforcesgeneratedintheconventionalmethodofgrippingtendtocrushtherod,therebycausingprematurefailure.Inthistestmethod,aluminum-alloytabscontouredtotheshapeoftherodreducethecompressiveforcesimpartedtotherod,thusovercomingthedeleteriousinfluenceofconventionaltestgrips.Tensilepropertiesareinfluencedbyspecimenpreparation,strainrate,thermalhistory,andtheenvironmentalconditionsatthetimeoftesting.Consequently,whereprecisecomparativeresultsaredesired,thesefactorsmustbecarefullycontrolled.Tensilepropertiesprovideusefuldataformanyengineeringdesignpurposes.However,duetothehighsensitivityofthesepropertiestostrainrate,temperature,andotherenvironmentalconditions,dataobtainedbythistestmethodshouldnot,bythemselves,beconsideredforapplicationsinvolvingload-timescalesorenvironmentalconditionsthatdifferwidelyfromthetestconditions.Incaseswheresuchdissimilaritiesareapparent,thesensitivitiestostrainrate,includingimpactandcreep,aswellastoenvironment,shouldbedeterminedoverawiderangeofconditionsasdictatedbytheanticipatedservicerequirements.1.1Thistestmethoddescribesaprocedurefordeterminingthetensilepropertiesofpultruded,glass-fiber-reinforcedthermosettingplasticrodofdiametersrangingfrom3.2mm(1/8in.)to25.4mm(1in.).Littletestspecimenpreparationisrequired;however,reusablealuminumtabgripadapters(Fig.1)ofappropriatesizearerequiredtopreventprematurefailureofthespecimensatthegrips.1.2ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.SpecifichazardsstatementsaregiveninNote3andNote4.Note18212;ThereisnoknownISOequivalenttothistestmethod.
【中国标准分类号】:G31
【国际标准分类号】:83_120
【页数】:5P.;A4
【正文语种】:英语