【英文标准名称】:StandardTestMethodforSandwichCorrosionTest
【原文标准名称】:夹层腐蚀的标准试验方法
【标准号】:ASTMF1110-2009
【标准状态】:现行
【国别】:美国
【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】:F07.07
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:aircraftmaintenancechemicals;aluminumstructuralaircraftalloys;fayingsurfaces;sandwichcorrosion;Aircraftmaterials/applications;Aluminumalloys;Aluminumcoupons;Corrosion--aircraftmetals;Corrosion--Al/Alalloys;Immersion--aircraftmateria
【摘要】:Thedatageneratedbythistestmethodshallbeusedtodeterminewhetheraircraftstructuralaluminumalloysareliabletobecorrodedordamagedbyapplicationofthetestmaterialduringroutinemaintenanceoperations.Interpretationofthesandwichcorrosiontestresultsisbasedonacomparisonoftheappearanceoffayingsurfacesofthreesetsofcoupons.Onesetoftestcouponsisexposedwithreagentwateronlyinthefayingsurfaces,toestablishthebaseline(controls)againstwhichthepanelsexposedtothetestmaterialarecompared.Disregardcorrosionatcutedgesofthetestcoupons.Therelativecorrosionseverityratingsystemisprovidedinordertoallowanumericalclassificationofthetestresultsandtoeliminatethenecessityforelaborateweightlossmeasurements.Pittingcorrosion,whichisrated4x2014;extensive(severe)corrosion,mayinvolveonlyanegligibleweightloss.Relativecorrosionseverityratingsystem:Appearance/Corrosion:
0x2014;Novisiblecorrosionandnodiscolorationpresent
1x2014;Veryslightcorrosionorveryslightdiscoloration,and/orupto5%ofareaAcorroded
2x2014;Discolorationand/orupto10%ofareaAcorroded
3x2014;Discolorationand/orupto25%ofareaAcorroded
4x2014;Discolorationand/ormorethan25%ofareaAcorroded,and/orpittingpresent
【英文标准名称】:Informationtechnology;OpenSystemsInterconnection;conformancetestingmethodologyandframework;part1:generalconcepts(ISO/IEC9646-1:1991);englishversionEN29646-1:1992
【原文标准名称】:信息技术.开式系统互联.合格检验的方法.第1部分:通用检验方案
【标准号】:DINEN29646-1-1992
【标准状态】:作废
【国别】:德国
【发布日期】:1992-07
【实施或试行日期】:
【发布单位】:德国标准化学会(DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:信息处理;开式系统互连;试验要求;合格试验;定义;试验条件;试验;数据处理;开式系统;合格;规范(批准);传播学
【英文主题词】:opensystems;informationprocessing;dataprocessing;testingconditions;specification(approval);osi;communication;conformitytesting;conformity;testingrequirements;definitions;testing
【摘要】:
【中国标准分类号】:L79
【国际标准分类号】:35_100_00
【页数】:35P;A4
【正文语种】:德语