SAE AS127 Propeller Shaft End, Flanged Type - No. 1, 2, 3, 4, 5, & 6
作者:标准资料网 时间:2024-05-18 15:18:56 浏览:9155
来源:标准资料网
Product Code:SAE AS127
Title:Propeller Shaft End, Flanged Type - No. 1, 2, 3, 4, 5, & 6
Issuing Committee:E-25 General Standards For Aerospace And Propulsion Systems
Scope:No scope available.
【英文标准名称】:StandardTestMethodforAssignmentofaGlassTransitionTemperatureUsingThermomechanicalAnalysis
【原文标准名称】:使用热机分析测定玻璃转变温度的标准试验方法
【标准号】:ASTME1824-2008
【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】:E37.10
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:glasstransition;glasstransitiontemperature;Tg;tensilemode;thermomechanicalanalysis(TMA);thermodilatometry;Glasstransition(Tg)temperature;Tensilemode;Thermodilatometry;Thermomechanic
【摘要】:Theglasstransitionisdependentonthethermalhistory,softeningagentsoradditivesofthematerialtobetested.Foramorphousandsemicrystallinematerialstheassignmentofaglasstransitiontemperaturemayleadtoimportantinformationaboutthermalhistory,processingconditions,stability,progressofchemicalreactions,andmechanicalandelectricalbehavior.Thermomechanicalanalysisprovidesarapidmeansofdetectingchangesinhardnessorlineardimensionalchangeassociatedwiththeglasstransition.DimensionalchangesmeasuredasaspecimenisheatedovertheTgregionmayincludetheinteractionofseveraleffects:anincreaseinthecoefficientofexpansion,adecreaseinthemodulus,whichunderaconstantstressleadstoincreasedextension,stressreliefleadingtoirreversibledimensionalchange(shrinkageinonedimension,expansioninanotherdimension),andphysicalagingeffectswhichchangethekineticsofthedimensionalchange.Thistestmethodisusefulforresearchanddevelopment,qualitycontrol,andspecificationacceptancetesting;particularlyoffilmsandfibers.1.1Thistestmethoddescribesaprocedurefortheassignmentofaglasstransitiontemperatureofmaterialsonheatingusingthermomechanicalmeasurementsunderprescribedexperimentalconditions.1.2ThistestmethodmaybeusedasacomplementtoTestMethodE1545andisapplicabletoamorphousortopartiallycrystallinematerialsintheformoffilms,fibers,wires,etc.thataresufficientlyrigidtoinhibitextensionduringloadingatambienttemperature.1.3Thegenerallyapplicabletemperaturerangeforthistestmethodisx2212;100to600x00B0;C.Thistemperaturerangemaybealtereddependingupontheinstrumentationused.1.41.5ThereisnoISOmethodequivalenttothismethod.1.6Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Q30
【国际标准分类号】:081_040_01
【页数】:4P.;A4
【正文语种】:英语
【英文标准名称】:Medicalinstruments-Wirecuttingscissorswithoutcarbideinserts
【原文标准名称】:医疗器械.无合金刀片的结扎线剪
【标准号】:DIN13109-2010
【标准状态】:现行
【国别】:德国
【发布日期】:2010-02
【实施或试行日期】:
【发布单位】:德国标准化学会(DE-DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:亮度;设计;名称与符号;尺寸;精密机械;硬质合金;仪器;层;处理;材料;医疗器械;医学科学;光学;公共卫生;不锈的;剪刀;螺丝钉;形状;规范(验收);钢;表面;外科学;手术器械;外科剪;公差(测量)
【英文主题词】:Degreeofbrightness;Design;Designations;Dimensions;Finemechanics;Hardmetals;Instruments;Layers;Marking;Materials;Medicalinstruments;Medicalsciences;Optics;Publichealth;Rustless;Scissors;Screwfit;Shape;Specification(approval);Steels;Surfaces;Surgery;Surgicalinstruments;Surgicalscissors;Tolerances(measurement)
【摘要】:Thisstandarddefinesdimensionsandmarkingofwirecuttingscissorswithoutcarbideinserts,asusedinsurgeryandpublichealthservice.
【中国标准分类号】:C36
【国际标准分类号】:11_040_30
【页数】:5P.;A4
【正文语种】:德语
