ASTM A926-2003(2008) 波纹形金属管用涂层材料耐磨性比较的标准试验方法

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【英文标准名称】:StandardTestMethodforComparingtheAbrasionResistanceofCoatingMaterialsforCorrugatedMetalPipe
【原文标准名称】:波纹形金属管用涂层材料耐磨性比较的标准试验方法
【标准号】:ASTMA926-2003(2008)
【标准状态】:现行
【国别】:美国
【发布日期】:2003
【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】:A05.17
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:abrasionresistanceofpipecoatings;coatings&x2014;abrasion;corrugatedmetalpipe;resistanceofcoatingmaterialstoabrasion;steelpipecoatings;Abrasionresistance;Coatings;Corrugatedsteelsewer/drainpipe;Meta
【摘要】:Thistestmethodprovidesameansofdetermininganabrasionrate(weightandcalculatedaveragethicknessloss)whencomparingmaterials,coatings,pavings,orliningsundertestconditionsthatwillbesubjectedtoabrasivebedloads.Theimportanceofthisinformationisrecognizedwhendealingwithculverts,stormandsanitarysewerapplications,althoughthelasttwogenerallydonothavethesamedegreeofabrasionduetotheflatterslopesandlessbedloadsthanculverts.Specifically,theinvertofthesetypesofpipe,regardlessofthematerialused,canbeexposedtoflowscontainingabrasivebedloadsorsolidparticulatesthatcausewearingofthepipewall.Bysubjectingmaterialstowearinthebedloadabrasionmachinewithacontrolledbedloadchargemadeupoffineaggregateandcoarseaggregateoveraspecifiedperiod,acomparisonoftheresistancebetweenmaterialscanbeestablished.Thistestmethoddoesnotsimulatetheeffectofabrasivematerialstrikingtheupstreamfaceofcorrugations,aswouldbetypicalforcoatingmaterialswhichdonotcompletelyfillthecorrugations.Note18212;Caution:Thistestmethodusesspecificquantitativevaluestoencouragerepetitiveresultsanddoesnotconsidervaryingbedloadcharacteristics,ratioofwatertobedload,velocity,timeoractualfieldconditions,andtheeffectofexposededgesonlaminates.Theusermustuseextremecareincomparingonetestresulttoanotherbecauseoftheseandothervariables.1.1Thistestmethodcoversaprocedureforcomparingmaterialsusedforcoating,pavingandliningcorrugatedmetalpipebyuseofabedloadabrasiontestingmachine.Theprocedureattemptstosimulatetheeffectofstone,gravelandsandcarriedbyastreamthroughcorrugatedmetalpipe.1.2Thevaluesstatedininch-poundunitsaretoberegardedasstandard.TheSIunitsgiveninparenthesesareforinformationonly.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:A29
【国际标准分类号】:25_220_01
【页数】:5P.;A4
【正文语种】:英语


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【英文标准名称】:Qualificationandperformancespecificationforrigidprintedboards
【原文标准名称】:硬印制板的鉴定和性能规范(IPC6012A及修改1)
【标准号】:IEC/PAS62250-2001
【标准状态】:作废
【国别】:国际
【发布日期】:2001-05
【实施或试行日期】:
【发布单位】:国际电工委员会(IEC)
【起草单位】:IEC/TC91
【标准类型】:()
【标准水平】:()
【中文主题词】:印制电路板;电气工程;电子工程;印制电路;电子设备及元件;刚性;质量要求;规范(验收)
【英文主题词】:electronicengineering;rigid;printed-circuitboards;printedcircuits;electronicequipmentandcomponents;electricalengineering;qualityrequirements;specification(approval)
【摘要】:
【中国标准分类号】:L30
【国际标准分类号】:31_180
【页数】:27P;A4
【正文语种】:英语


【英文标准名称】:StandardClassificationSystemforPolychlorotrifluoroethylene(PCTFE)Plastics
【原文标准名称】:聚氯三氟乙烯(PCTFE)塑料的标准分类系统
【标准号】:ASTMD1430-2003
【标准状态】:现行
【国别】:美国
【发布日期】:2003
【实施或试行日期】:
【发布单位】:美国材料与试验协会(ASTM)
【起草单位】:ASTM
【标准类型】:()
【标准水平】:()
【中文主题词】:聚氯三氟乙烯;塑料
【英文主题词】:plastics;polychlorotrifluoro-ethylene
【摘要】:
【中国标准分类号】:G32
【国际标准分类号】:83_080_20
【页数】:6P;A4
【正文语种】:英语