【英文标准名称】:StandardPracticeforRubberConditioningForLowTemperatureTesting
【原文标准名称】:低温测试用橡胶调节的标准实施规程
【标准号】:ASTMD832-2007
【标准状态】:现行
【国别】:
【发布日期】:2007
【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】:D11.14
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:炭黑;低温测试;天然橡胶;工艺;橡胶;试样制备;合成橡胶;测试
【英文主题词】:brittleness;brittlepoint;crystallization;enthalpy;firstordertransition;glasstransition;lowtemperaturetest;modulus;plasticizereffects;resilience;secondordertransition;simpletemperatureeffects;solubility;stiffening;subnormaltempera
【摘要】:Lowtemperaturetestingofrubbercanyieldrepeatableresultsonlyifthepreconditioningofthesamplesisconsistent.Propertiessuchasbrittlenessandmodulusaregreatlyaffectedbyvariationsintime/temperatureexposures.Thispracticeisintendedtoprovideuniformconditioningforthevariouslowtemperaturetestsconductedonrubbers.1.1Thispracticecoversthecharacteristicmechanicalbehaviorofrubbersatlowtemperatures,andoutlinestheconditioningprocedurenecessaryfortestingatthesetemperatures.1.2Oneofthefirststagesinestablishingasatisfactorytechniqueforlowtemperaturetestingisthespecificationofthetimeandtemperatureofexposureofthetestspecimen.Ithasbeendemonstratedthatanyoneormoreofthefollowingdistinctchanges,whicharedetailedinTable1,maytakeplaceonloweringthetesttemperature:1.2.1Simpletemperatureeffects,1.2.2Glasstransitions,and1.2.3Firstordertransitions(crystallization),andsolubilityandothereffectsassociatedwithplasticizers.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:G49
【国际标准分类号】:83_040_10
【页数】:4P.;A4
【正文语种】:


【英文标准名称】:AddendatoASMEB56.6-1992-Safetystandardforroughterrainforklifttrucks
【原文标准名称】:不平地叉车的安全标准修改件
【标准号】:ASMEB56.6aAddenda-1994
【标准状态】:作废
【国别】:美国
【发布日期】:1994-07-29
【实施或试行日期】:
【发布单位】:美国机械工程师协会(US-ASME)
【起草单位】:ASME
【标准类型】:()
【标准水平】:()
【中文主题词】:建筑工地;堆码机;维修;稳定性;工业用货车;叉车;不平地带车辆;安全措施;提升力;提升设备;设计;安全要求
【英文主题词】:rough-terrainvehicles;stackingmachines;forktrucks;safetyrequirements;liftingappliances;safetymeasures;buildingsites;industrialtrucks;liftingpower;maintenance;design;stability
【摘要】:ThisStandarddefinessafetyrequirementsrelatingtotheelementsofdesign,operation,andmaintenanceofroughterrainforklifttrucks.Thesetrucksareintendedforoperationonunimprovednaturalterrainaswellasthedisturbedofconstructionsites.
【中国标准分类号】:J83
【国际标准分类号】:53_020_10
【页数】:41P.;A4
【正文语种】:英语