【英文标准名称】:StandardTestMethodforStaticTestingofTubelessPneumaticTiresforRateofLossofInflationPressure
【原文标准名称】:静态测试无内胎充气轮胎的充气压力损耗率的标准试验方法
【标准号】:ASTMF1112-2006a
【标准状态】:现行
【国别】:
【发布日期】:2006
【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】:F09.30
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:压力降;试验方法;无管轮胎;轮胎充气压力
【英文主题词】:inflationpressure;pneumatictires;rateofloss;statictesting
【摘要】:Inflationpressureretentionisanimportantpropertyoftireperformancebecauseunderinflationcanadverselyaffecttirerollingresistance,handling,structuralintegrity,andtreadlife.Thistestmethodisusefulforresearchanddevelopmentevaluationoftheeffectsoftirecomponentformulationsandgeometryoninflationpressureretention.Testingforrateofpressurelossunderstaticconditionsispracticalbecauseofthefollowing:5.2.1Tiresinnormalusearepredominantlyatrest,and5.2.2Relativeairdiffusionratesofvarioustiresinnormalintermittentroadservicewillcorrelatewithstaticrelativerates,toafirstapproximation.Therelativeairdiffusionratesofdifferenttiresmaynotbequitethesameunderdynamicflexingaswhentestedstatically,butthedifferenceisbelievedtobesmall.Theresultsfromthistestmethodarenotsuitableforinferringtireinflationretentionundersevereserviceconditions,suchasheavycorneringorimpacts,thatmightcausesignificantairlossatthetire-rimseal.1.1Thistestmethodcoversthedeterminationoftherateofinflationpressurelossresultingfromairdiffusionthroughthestructuresoftubelesstiresunderconstanttemperatureconditions.Thetestingisdoneunderstaticconditions,thatis,nonrotating,nonloadedtires.1.2ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:G41
【国际标准分类号】:83_160_01
【页数】:8P.;A4
【正文语种】:
基本信息
标准名称: | 晚香玉种球质量等级划分标准 |
发布日期: | 2007-12-01 |
实施日期: | 2008-03-30 |
首发日期: | |
作废日期: | |
主管部门: | 天津市质量技术监督局 |
出版社: | 中国标准出版社 |
出版日期: | 2008-03-30 |
适用范围
没有内容
前言
没有内容
目录
没有内容
引用标准
没有内容
所属分类: 农业 林业 畜牧 养蜂 养蚕 农业 农业和林业 农业和林业综合