Product Code:SAE AMS4916
Title:Titanium Alloy Sheet, Strip, and Plate, 8Al - 1Mo - 1V, Duplex Annealed
Issuing Committee:Ams G Titanium And Refractory Metals Committee
Scope:This specification covers a titanium alloy in the form of sheet, strip, and plate.【英文标准名称】:StandardTestMethodforEvaluatingtheResistanceoftheSurfaceofWetBluetotheGrowthofFungiinanEnvironmentalChamber
【原文标准名称】:评定湿铬鞣革表面在人工环境室中对真菌生长的耐受性的标准试验方法
【标准号】:ASTMD7584-2010
【标准状态】:现行
【国别】:美国
【发布日期】:2010
【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】:D31.02
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:basicchromiumsulfate;moldresistance;wetblue
【摘要】:Theenvironmentalchambermethodisanacceleratedtestfordeterminingtheresistanceofwetbluetothegrowthoffungi,thecausalagentofmold.SeeTestMethodD3273.,Theenvironmentalchambermethodisusefulinestimatingtheperformanceoffungicidesandshouldassistinthepredictionofstoragetimebeforefungalgrowthbegins.Theenvironmentalchambermethodduplicatesthenaturalenvironmentinwhichwetblueisinoculatedwithfungalsporesandsubsequentlydisfiguredordiscoloredbyfungi.Theenvironmentalchambermethodmeasurestheresistanceofthetreatedwetbluetothegerminationofsporesandsubsequentvegetativegrowththatspreadsoverthesurfaceofacomparativelylargewetbluespecimenoveraperiodoffourweeks.Theenvironmentalchambercanbekeptinoculatedwithfungirepresentativeofthosefoundintanneriesbyaddingsamplesofwetbluewithfungalgrowthcurrentlyoperatingtanneries.Controlspecimensofwetbluewithoutfungicidetreatmentcanbeaddedtothechamberperiodicallytoincreaselevelsoffungalgrowthinthechamber.LeachingoffungicidefromthetestspecimenintotheagaroftencausesazoneofinhibitionoffungalgrowthinthePetridishtest,butintheenvironmentalchamberanyleachingoffungicidefromthetestspecimendripsintothewatercontainedinthechamberandthusdoesnotcausethetypesoffalsereadingsobservedinthePetridishtest.1.1Thisenvironmentalchambermethodmeasurestheresistanceofthetreatedwetbluetothegerminationofsporesandsubsequentvegetativegrowthoveraperiodoffourweeks.Thetestmethodisusefulinestimatingtheperformanceoffungicidesandshouldassistinthepredictionofstoragetimeofwetbluebeforefungalgrowthbegins.Theapparatusisdesignedsoitcanbeeasilybuiltorobtainedbyanyinterestedpartyandduplicatethenaturalenvironmentinwhichwetblueisinoculatedwithfungalspores.Sporesthatgerminateonuntreatedortreatedwetbluecanproducefungalgrowth,resultingindisfigurementordiscoloration,orboth,ofthewetblue..1.2ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Y46
【国际标准分类号】:59_140_30
【页数】:10P.;A4
【正文语种】:英语