DIN CEN/TS 13778-2004 移动式拆除机械.安全要求

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【英文标准名称】:Plastics-Determinationofcreepbehaviour-Part2:Flexuralcreepbythree-pointloading
【原文标准名称】:塑料.蠕变性能的测定.第2部分:用三点负载测定挠曲蠕变
【标准号】:ISO899-2-2003
【标准状态】:现行
【国别】:国际
【发布日期】:2003-06
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC61
【标准类型】:()
【标准水平】:()
【中文主题词】:蠕变试验;抗弯强度;应力;弯曲;定义;蠕变断裂试验;抗拉强度;蠕变;弯曲试验;材料;刚性;蠕变性能;三点负载;试样;试验报告;耐应力;塑料;抗弯应力;热固性聚合物;特性;表示法;测定;材料试验;热塑性聚合物;试验
【英文主题词】:Bendtesting;Bending;Bendingstrength;Bendingstress;Creep;Creepbehaviour;Creepproperties;Creeprupturetests;Creeptest;Creeptesting;Definitions;Determination;Materials;Materialstesting;Plastics;Properties;Representations;Rigid;Stress;Stressendurance;Tensilestrength;Testreports;Testspecimens;Testing;Thermoplasticpolymers;Thermosettingpolymers;Three-pointloading
【摘要】:1.1ThispartofISO899specifiesamethodfordeterminingtheflexuralcreepofplasticsintheformofstandardtestspecimensunderspecifiedconditionssuchasthoseofpretreatment,temperatureandhumidity.Itappliesonlytoasimplefreelysupportedbeamloadedatmid-span(three-point-loadingtest).1.2Themethodissuitableforusewithrigidandsemi-rigidnon-reinforced,filledandfibre-reinforcedplasticsmaterials(seeISO472fordefinitions)intheformofdumb-bell-shapedtestspecimensmouldeddirectlyormachinedfromsheetsormouldedarticles.NOTEThemethodmaybeunsuitableforcertainfibre-reinforcedmaterialsduetodifferencesinfibreorientation.1.3Themethodisintendedtoprovidedataforengineering-designandresearchanddevelopmentpurposes.Dataforengineering-designpurposesrequirestheuseofextensometerstomeasurethegaugelengthofthespecimen.Dataforresearchorquality-controlpurposesmayusethechangeindistancebetweenthegrips(nominalextension).1.4Flexuralcreepmayvarysignificantlywithdifferencesinspecimenpreparationanddimensionsandinthetestenvironment.Thethermalhistoryofthetestspecimencanalsohaveprofoundeffectsonitscreepbehaviour(seeAnnexA).Consequently,whenprecisecomparativeresultsarerequired,thesefactorsmustbecarefullycontrolled.1.5Ifflexural-creeppropertiesaretobeusedforengineering-designpurposes,theplasticsmaterialsshouldbetestedoverabroadrangeofstresses,timesandenvironmentalconditions.1.6Themethodmaynotbesuitablefordeterminingtheflexuralcreepofrigidcellularplastics(attentionisdrawninthisrespecttoISO1209-1,Cellularplastics,rigid—Flexuraltests—Part1:Bendingtest,andISO1209-2,Cellularplastics,rigid—Flexuraltests—Part2:Determinationofflexuralproperties).
【中国标准分类号】:G31
【国际标准分类号】:83_080_01
【页数】:14P;A4
【正文语种】:英语


【英文标准名称】:Industrialcommunicationnetworks-Profiles-Functionalsafetyfieldbuses-AdditionalspecificationsforCPFSNpFAMILY
【原文标准名称】:工业通信网络.配置文件.功能安全现场总线.CPFSNpFAMILY的附加规范
【标准号】:BSDDIEC/PAS61784-3-18-2009
【标准状态】:作废
【国别】:英国
【发布日期】:2009-09-30
【实施或试行日期】:2009-09-30
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:自动化;总线系统;总线(数据处理);电路网络;通信;控制设备;控制系统;控制工艺学;数据通信;数据链层;数据连接系统;数据处理;数据服务;数据传送;定义(术语);数字的;数字数据;数字工程;电子数据处理(EDP);电气工程;电子仪器;电子系统;现场总线;制导系统;工业的;工业设施;信息交换;信息处理;信息技术;接口(数据处理);链路层;开放系统互连;开放系统互连(OSI);物理层;过程控制;过程控制工程;过程控制系统;配置文件;信号;规范;规范(验收);传输媒质
【英文主题词】:Automation;Bussystems;Buses(dataprocessing);Circuitnetworks;Communication;Controlequipment;Controlsystems;Controltechnology;Datacommunication;Datalinklayers;Datalinksystem;Dataprocessing;Dataservices;Datatransfer;Definitions;Digital;Digitaldata;Digitalengineering;EDP;Electricalengineering;Electronicinstruments;Electronicsystems;Fieldbus;Guidancesystems;Industrial;Industrialfacilities;Informationinterchange;Informationprocessing;Informationtechnology;Interfaces(dataprocessing);Linklayers;Opensystemsinterconnection;OSI;Physicallayers;Processcontrol;Processcontrolengineering;Processcontrolsystems;Profile;Signals;Specification;Specification(approval);Transmissionmedia
【摘要】:
【中国标准分类号】:M11
【国际标准分类号】:35_100_20;35_110;35_160;35_240_50
【页数】:58P;A4
【正文语种】:英语