Sorbitized (5.50) peipi ea tšepe e nepahetseng bakeng sa likarolo tsa koloi.Lebitso la mantlha e ne e le "mokhoa oa ho tima loto".Ho tloha lilemong tsa bo-1950, naha ea rona e futhumetse terata ea tšepe ho mocheso oa austenitizing, 'me ea e qoelisa ka bateng e etellang pele mocheso o haufi le nko ea setšoantšo sa phetoho ea isothermal.Mocheso oa isothermal o bolokoa ho fihlela ho senyeha ha austenitic ho phethoa, 'me joale hophala e nepahetseng ea tšepee sebelisoang ka ho khetheha bakeng sa likarolo tsa koloi e ntšoa ebe e pholile moeeng ho fumana tsohle kapa boholo ba sebopeho sa sorbite.Ho iphuthumatsa le ho futhumatsa ho itlelang feela (6.4) (6.5).
Nakong e fetileng, ho ne ho e-na le lentsoe le akaretsang la "ho chesa ka mokhoa o sa reroang", e leng ho neng ho utloisisoa hore ka mor'a ho tima phala ea tšepe e nepahetseng bakeng sa likarolo tsa koloi, likarolo tse tingoeng tsa koloi.peipi e nepahetseng e se nang seamlessbakeng sa likarolo tsa koloi li ne li futhumatsoa le ho halefa ka lebaka la ho tsamaisa mocheso ka ntle pelong.Leha ho le joalo, ho tsoa thutong e tebileng ea "low-carbon" martensite, ho fumanoe hore ka lebaka la boemo ba eona bo phahameng ba Ms, mocheso o etsoa ka boithaopo ts'ebetsong ea ho tima.lipeipi tsa tšepe tse nepahetseng bakeng sa lisebelisoa tsa koloi, eo ho thoeng ke ho itlela feela.Ena ke mokhoa oa ho fetisa mocheso ho tloha bohareng ba liphaephe tsa tšepe tsa koloi ho ea holimo le ho futhumatsa ka ho futhumatsa.Ho tsitsa ha tlhaho (kapa phekolo ea tlhaho ea ho tsitsisa) (7.8).
Ho lahlela sebakeng se bulehileng ka nako e telele ho tla baka phomolo ea khatello ea maikutlo, ka hona ho tsitsisa sebopeho le boholo ba ho lahla, boo ka kakaretso bo bitsoang kalafo ea botsofali Chaena.Le hoja lentsoe la Senyesemane "seasoning" le ka fetoleloa ka ho toba e le "botsofali", botsofali bo hlalositsoe ka ho hlaka ka mokhoa o khethehileng oa phekolo ea mocheso oa liphaephe tse nepahetseng tsa tšepe bakeng sa mehaho ea tšepe le likarolo tsa likoloi, ke hore, ka mor'a phekolo ea tharollo kapa deformation e batang ea polasetiki, tshebetso ya yona e fetoha le nako ha e bewa mochesong wa kamore kapa mocheso o phahameng hanyane.
Phetoho ea ts'ebetso ea lisebelisoa tsa lipeipi tsa tšepe tse sebelisoang ka ho khetheha bakeng sa likarolo tsa koloi ka mor'a botsofali ke pula ea likaroloana tse entsoeng ke ho arola ha likaroloana, ntle le ho phomola kapa ho felisa khatello ea kelello e ka hare.E le ho qoba pherekano, li-castings li tla bitsoa "botsitso ba tlhaho (kapa ba tlhaho)" sebakeng sa "botsofali".Kabo ea litaba tsa khabone (8.23).Likahare tsa k'habone tsa phala e khethehileng ea tšepe e nepahetseng bakeng sa likarolo tsa koloi li bua ka litaba tsa khabone ka botlalo kapa karolo ea likarolo tsa tšepe, empa ha ho na mofuta o lekanyelitsoeng.Khabone ea eona e lekanyelitsoe ho tharollo e tiileng ka har'a α Iron kapa γ Carbon content ea tšepe.
Hangata li-carbides li hlaha holim'a li-carburized holim'a li-tubes tsa tšepe tsa likoloi tse nepahetseng, haholo-holo carbide e matlafalitsoeng ke carburizing (8.14) e ntlafalitsoeng lilemong tsa morao tjena.Ka hona, ho loketse ho nka litaba tsa khabone e le polelo ea palo ea litaba tsa khabone sebakeng sa carburized.Mosebetsi oa carbon (8.27).Moelelo oa 'mele oa ts'ebetso ke mohopolo o sebetsang oa solute e fanoeng tharollong e fanoeng (kapa tharollo e tiileng).Ho kenngoa ha lipeipi tsa tšepe tse nepahetseng bakeng sa likarolo tsa koloi hangata ho etsoa sebakeng sa austenitic, ka hona ts'ebetso ea khabone ea carburizing ea tšepe hangata e bua ka khatello e sebetsang ea khabone ka har'a austenite.
Ho lokela ho hlakisoe hore mosebetsi le mosebetsi oa coefficient ea carbon in ferrite ha ea lokela ho baloa ka ho sebelisa mekhoa ea boipheliso ka boithatelo.Terminology bakeng sa kalafo ea bokaholimo ba li-tubes tse hlakileng tse khanyang bakeng sa likoloi.Hobane kalafo ea bokaholimo ba lipeipi tsa tšepe tse nepahetseng bakeng sa likarolo tsa koloi ke theknoloji ea phetoho e sebelisoang haholo indastering ea lintho tse bonahalang kajeno, lipehelo tsa laser cladding (12.1), laser shock treatment (12.2), micro arc oxidation (12.3), ion implantation ( 12.4), mahlaseli a matla a pulsed electron beam (12.20), ho fafatsa ka plasma (12.21), ho fafatsa ka mocheso (12.22) le mantsoe a mang a amanang le ona a ekelitsoe motheong oa lipehelo tsa khatiso ea 1999.Motheong ona, re fetotse lipehelo tsa phetiso ena ea likoloi li-tubes tsa tšepe tsa shaft precision,'me ba entse mosebetsi o motle ho boenjineri ba bokaholimo le kalafo e kopaneng ea mocheso oa mantsoe a deposition
Nako ea poso: Oct-10-2022