Dross - Wikipedia

Dross is a mass of solid impurities floating on a molten metal or dispersed in the metal, such as in wrought iron. It forms on the surface of ... Dross FromWikipedia,thefreeencyclopedia Jumptonavigation Jumptosearch Impuritiesinmoltenmetal FortheAustrianmunicipality,seeDroß.FortheVenezuelanYouTuber,seeDross(YouTuber). Aluminiumdross Drossisamassofsolidimpuritiesfloatingonamoltenmetalordispersedinthemetal,suchasinwroughtiron.Itformsonthesurfaceoflow-melting-pointmetalssuchastin,lead,zincoraluminiumoralloysbyoxidationofthemetal.Forhighermeltingpointmetalsandalloyssuchassteelandsilver,oxidizedimpuritiesmeltandfloatmakingthemeasytopouroff. Withwroughtiron,hammeringandlaterrollingremovedsomedross.[1] Withtinandleadthedrosscanberemovedbyaddingsodiumhydroxidepellets,whichdissolvetheoxidesandformaslag.Iffloating,drosscanalsobeskimmedoff. Dross,asasolid,isdistinguishedfromslag,whichisaliquid.Drossproductisnotentirelywastematerial;forexample,aluminiumdrosscanberecycledandisalsousedinsecondarysteelmakingforslagdeoxidation.[2] Contents 1Etymologyandusage 2Seealso 3References 4Externallinks Etymologyandusage[edit] ThetermdrossderivesfromtheOldEnglishworddros,meaningthescumproducedwhensmeltingmetals(extractingthemfromtheirores).Bythe15thcenturyithadcometorefertorubbishingeneral.[3]Dregs,[3]andthegeologicaltermdrusearealsothoughttobeetymologicallyrelated.[4]Popularnon-metalworkingusesofthewordarederogatory: poorlywrittenorplagiarizedjournalism-"adrossarticle";"utter/complete/terribledross"(adjective/noun),astrongertermthanfiller undesirable,unprofitablework-"let'shomeinonthelion'sshareandoutsourcethedross";synonyms:corvée,hiding-to-nothing,anddrudgerywhicharegrowingarchaismsinbusiness[5](noun);asstrongatermasdogsbodywork Seealso[edit] Aluminiumalloyinclusions Slag References[edit] ^Landes,DavidS.(1969).TheUnboundPrometheus:TechnologicalChangeandIndustrialDevelopmentinWesternEuropefrom1750tothePresent.Cambridge,NewYork:PressSyndicateoftheUniversityofCambridge.p. 91.ISBN 0-521-09418-6. ^Kogel,JessicaElzea;SocietyforMining,Metallurgy,andExploration(2006),Industrialminerals&rocks:commodities,markets,anduses(7th ed.),SME,p. 1406,ISBN 978-0-87335-233-8.{{citation}}:CS1maint:multiplenames:authorslist(link) ^ab"Dross".www.etymologyonline.com. ^Chambers'sEtymologicalDictionaryoftheEnglishLanguage.W&RChambers.1875.p. 142.ISBN 9781402168093. ^"dross"en.wiktionary.org Externallinks[edit] LookupdrossinWiktionary,thefreedictionary. AZoM.com–AluminiumDrossRecycling HerbertF.Lund.TheMcGraw-Hillrecyclinghandbook.Chapter37.23:UnitedKingdom:EuropeanUnionDirectivePrecipitatesAluminum"Dross"Recycling. vteMetalworkingvteCastingProcesses Centrifugal Continuous Die Evaporative-pattern Fullmold Lostfoam Investment(Lostwax) Permanentmold Plastermold Sand Semi-solidmetal Shawprocess Shellmolding Spin Components Chill Copeanddrag Core Flask Moldingsand Pattern Riser Sprue Terminology Castingdefects Draft Dross Ingot Semi-finishedcastingproducts Slag Casting Fabrication Forming Jewellery Machining Metallurgy Smithing Toolsandterminology Welding Retrievedfrom"https://en.wikipedia.org/w/index.php?title=Dross&oldid=1091262342" Categories:Casting(manufacturing)MetallurgyDeoxidizersHiddencategories:CS1maint:multiplenames:authorslistArticleswithshortdescriptionShortdescriptionmatchesWikidata Navigationmenu Personaltools NotloggedinTalkContributionsCreateaccountLogin Namespaces ArticleTalk English Views ReadEditViewhistory More Search Navigation MainpageContentsCurrenteventsRandomarticleAboutWikipediaContactusDonate Contribute HelpLearntoeditCommunityportalRecentchangesUploadfile Tools WhatlinkshereRelatedchangesUploadfileSpecialpagesPermanentlinkPageinformationCitethispageWikidataitem Print/export DownloadasPDFPrintableversion Languages العربيةČeštinaDeutschBahasaIndonesiaPolski Editlinks