ASTM E2712-2009e1 超塑性金属板材成形的标准试验方法

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【英文标准名称】:StandardTestMethodsforFormingSuperplasticMetallicSheet
【原文标准名称】:超塑性金属板材成形的标准试验方法
【标准号】:ASTME2712-2009e1
【标准状态】:现行
【国别】:
【发布日期】:2009
【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】:E28.02
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:constantstrainrate;metallicmaterials;metallicsheetmaterials;superplasticforming;superplasticformingproperties;superplasticproperties;temperature;truestrain;truestress;Aluminumalloys;Constantstrain;Metallicsheetmaterials;Superpl
【摘要】:Whenasuperplasticmaterialisregularlybeingusedinindustrialproduction,itisoftenconvenienttousethebulgetesttoqualifyabatchorheatlottoanacceptancecriterion.ComparingthesetestmethodswithTestMethodE2448,thebulgetestdoesnotrequireamachinedcoupon,itismoreconvenienttoperform,anditmostcloselysimulatesthemultiaxialstressesandstrainspresentinformingparts.Thesetestmethodsdonotmeasuretheintrinsicsuperplasticpropertiesofamaterial.TestMethodE2448shouldbeusedinthatinstance.1.1Thesetestmethodsdescribeproceduresfordeterminingthebiaxialformabilityofasuperplasticmetallicsheetinacirculardie.1.2Theintentofthesetestmethodsareprimarilytobeusedastestsofsuperplasticityasmeasuredbytheabilitytoformtoaprescribeddepthinadiecavitywithoutrupturing.Thesetestmethodscanalsobeusedtogeneratematerialforthemeasurementofcavitationintheformedpart.Thesecanbeusedasgo/nogocriteriaforqualificationtoaspecification.1.3Thesetestmethodshavebeenusedsuccessfullywithaluminumalloys.Theuseofthesetestmethodsonothermetalsshouldbeverified.1.4ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:
【国际标准分类号】:77_140_50
【页数】:3P.;A4
【正文语种】: