Nqus nyiaj plated kev kub ceev steel ua cov khoom siv hauv paus
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Nqus nyiaj plated kev kub ceev steel ua cov khoom siv hauv paus
M2 high-speed steel yog xaiv raws li cov khoom siv hauv paus, cov qauv loj yog 6mm × 6mm × 10mm, thiab ob peb kais ntawm tib cov khoom nrog cov lus qhia ntawm Φ10mm yog npaj rau kev xeem txiav. Lub hom phiaj sputtering yog ib khub ntawm titanium hlau lub hom phiaj (purity 99.99 feem pua) thiab graphite phiaj (purity 99.99 feem pua), thiab ob hom phiaj (4 lub hom phiaj) yog alternately thiab tusyees teem nyob rau hauv lub puab phab ntsa ntawm txheej chamber. Ua ntej txheej, qhov saum npoo ntawm cov qauv yog hauv av kom tshem tawm cov macroscopic khawb pom ntawm qhov muag liab qab, thiab polished rau daim iav saum npoo. Tom qab ntawd, cov kais dej thiab cov qauv raug sandblasted kom tshem tawm cov kab mob ntawm cov txheej sab saum toj. Tom qab ntxuav ultrasonic, nws tau qhuav thiab ntsia hauv qhov cub. Tshem tawm mus rau 9.0 ×10-3Pa, preheat lub workpiece rau 60min, thiab tom qab ntawd siv cov nyhuv ntawm argon ion bombardment rau etch thiab ntxuav lub substrate nyob rau hauv tsis zoo bias rau 30min. Txhawm rau txhim kho lub zog sib txuas ntawm cov yeeb yaj kiab nyias thiab cov substrate, Ti hlau hloov txheej txheej yog tso rau ntawm lub substrate los ntawm Ti hlau thaiv hauv evaporation crucible. Thaum kawg, nyob rau hauv lub siab ntawm 4.5 × 10-1Pa, TiCN nyias films tau npaj los ntawm co-sputtering graphite phiaj thiab titanium phiaj rau 3h. Txias rau 1h tom qab txheej, thiab tshem tawm cov qauv.
Kev sib xyaw cua ntawm nitrogen thiab argon rau lub tshuab nqus tsev nyiaj plating
Hloov chaw CH4 lossis C2H2, TiCN cov yeeb yaj kiab tau npaj los ntawm kev sib koom ua ke graphite lub hom phiaj thiab titanium lub hom phiaj hauv qhov chaw sib xyaw ntawm nitrogen thiab argon, thiab cov khoom sib xyaw, cov qauv, hardness thiab kev sib khi lub zog ntawm TiCN zaj duab xis tau txais los ntawm txoj kev npaj no tau txheeb xyuas thiab soj ntsuam. Nyob rau tib lub sijhawm, daim ntawv thov ntawm TiCN cov yeeb yaj kiab tso rau saum npoo ntawm high-speed steel kais los ntawm txoj kev no tau tshawb xyuas.
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