table of metallurgical properties of naval armor and construction materials

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1、·writingserviceswritingservices·marketingpapersmarketingpapers·soundfilesdownloadsoundfilesdownload TABLEOFMETALLURGICALPROPERTIESOFNAVALARMORANDCONSTRUCTIONMATERIALS©byNATHANOKUN(Revised10July2002) COLUMNHEADERDEFINITIONSNOTE:Iftwonumbersareseparatedbyadash(-),theyrepresentarangeofvalu

2、es,withthelargervalueusuallyforthethinnestplatesofthearmortype.Also,inthisHTMLdocument,fontrestrictionsforcetheeliminationoftheaccentmarksusedinseveralnon-Englishwords,suchastheFrench"GAVRE"andtheGerman"GRUSON"and"HARTE".MATERIAL-Nameofarmor/constructionmaterialincommonuseatthetimebythe

3、peopleusingit.If"AVE."isinname,thenthematerialistheaverageoftwoormorematerialsofthesamekindmadeatthesametimebymorethanonemanufacturerforthesamepurpose,butforwhichseparatedataeitherisnotknownorisnotimportantsincethematerialisusedinterchangeablyandwhichmanufacturer'splatewasusedinanysingl

4、ecaseisnotknown.COUNTRY-Nationmakingthisparticularkindofarmor/constructionmaterial.COMPANY-Manufacturerofthearmor/constructionmaterial.TIMEFRAME-Yearsthatarmorwasmanufacturedorusedaboardship,asrelevant.TENSILE*-TENSILESTRENGTH.Testsample'sminimumslowstretchingforceperunitoriginalcross-s

5、ectionalareaneededtotearthesampleintotwoseparateparts,inpounds/squareinch.Thehigherthatthisis,thestrongerthemetalisagainstslowly-increasing,non-impactloads.YIELD*-YIELDSTRENGTH.Testsample'sminimumslowstretchingforceperunitoriginalcross-sectionalareaneededtomakethesamplepermanentlylength

6、enby2%,inpounds/squareinch.Thehigherthatthisis,thestrongerthemetalisagainstslowly-increasing,non-impactloads,butonlyagainstimpactloadsifthetensilestrengthisgoingupbythesamepercentage.Y/T*-YIELDSTRENGTHTOTENSILESTRENGTHRATIO.Thecloserto"1"thatthisvalueis,theless"give"thematerialhasandmor

7、ebrittlethematerialwillbeifallelseisequal.%EL*-PERCENTELONGATION.Percentbywhichthesample'slengthhadincreasedjustasitsnappedintwo.Thelargerthevalue,themoreductilethesample.%RA*-PERCENTREDUCTIONINAREA.Percentofthesample'soriginalcross-sectionalareabywhichthenarrowestpointofthesam