Nqus nyiaj plating rau qaug dab peg thiab khawb kuj
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Nqus nyiaj plating rau qaug dab peg thiab khawb kuj
Japanese Y. Terauchi et al. Kawm txog kev sib txhuam thiab hnav tsis kam ntawm titanium carbide lossis titanium nitride ceramic iav tso los ntawm vapor deposition. Ua ntej lub iav yog plated, carburizing thiab polishing yog nqa tawm, thiaj li hais tias lub deg hardness ntawm lub iav ncav cuag HV720, thiab lub nto roughness yog 2.4μm. titanium carbide ceramic txheej yog npaj los ntawm tshuaj vapor deposition (CVD), thiab titanium nitride yog npaj los ntawm lub cev Npaj los ntawm vapor deposition (PVD), lub thickness ntawm cov ceramic zaj duab xis yog hais txog 2 μm. Los ntawm kev kawm nws cov kev sib txhuam thiab hnav cov khoom nyob rau hauv lub xub ntiag ntawm cov roj thiab qhuav kev sib txhuam, feem, nws tau pom tias kev tiv thaiv kev qaug dab peg thiab khawb tsis kam ntawm cov iav khub tau zoo heev tom qab siv cov ceramic txheej.
Qhov loj feem pua ntawm lub tshuab nqus tsev nyiaj plating mus txog 3l feem pua
Vim yog qhov nyuaj ntawm cov khoom sib xyaw ua ke, muaj ntau qhov kev tsis sib haum xeeb hauv qhov kev tshawb fawb no. Hauv kev tshawb fawb ntawm (Tix, Cr1-x)N multi-component coatings, cov txiaj ntsig kev tshawb fawb tau muaj teeb meem heev. Qee tus neeg xav tias (Tix, Cr1-x) N txheej yog raws li TiN, thiab Cr tsuas tuaj yeem muaj nyob hauv TiN lattice nyob rau hauv daim ntawv ntawm cov khoom siv hloov pauv, tab sis tsis tuaj yeem muaj nyob hauv theem CrN ywj siab [ 11]; Lwm cov kev tshawb fawb tau pom tias: Hauv (Tix, Cr1-x) N txheej, tus naj npawb ntawm Cr atoms ncaj qha hloov Ti atoms raug txwv, thiab cov Cr seem muaj nyob rau hauv lub xeev elemental lossis cov ntaub ntawv sib txuas nrog N. Cov txiaj ntsig kev sim cuam tshuam qhia tau tias ntxiv Cr rau lub txheej tuaj yeem txo qhov loj me me thiab txhim kho qhov tawv. Thaum qhov loj feem pua ntawm Cr nce mus txog 31 feem pua, lub hardness ntawm txheej mus txog qhov siab tshaj plaws tus nqi, tab sis cov kev ntxhov siab sab hauv ntawm txheej kuj mus txog qhov siab tshaj plaws.
Vacuum Silver Multicomponent Coatings thiab Multilayer Coatings
Nrog rau kev siv cov txheej txheem TiN ntau ntxiv, kev tshawb fawb ntau thiab ntau tau ua los ntawm kev txhim kho thiab txhim kho TiN txheej. Nyob rau hauv xyoo tas los no, cov txheej txheem ntau yam thiab cov txheej txheem ntau txheej tau tsim los ntawm binary TiN txheej, xws li Ti-CN, Ti-CNB, Ti-Al-N, Ti-BN, (Tix, Cr{{ 11}}x)N, TiN/Al2O3, etc. [10]. Los ntawm kev ntxiv Al, Si thiab lwm yam khoom rau TiN txheej, qhov kub oxidation tsis kam thiab hardness ntawm txheej tuaj yeem txhim kho, thaum ntxiv B thiab lwm cov ntsiab lus tuaj yeem txhim kho hardness thiab adhesion zog ntawm txheej.
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