Cov Titanium Screws Xim Ua Li Cas?
Cov ntsia hlau titanium xim tsuas yog hloov cov ntsia hlau mus rau hauv cov xim sib txawv los ntawm cov txheej txheem kho saum npoo. Piv txwv li, siv cov ntsia hlau titanium dub ua piv txwv: lawv qhov chaw yog coated nrog ib txheej dub. Ua ntej, cov txheej txheem "txheej dub", feem ntau hu ua "blackening by boiling", yog ua tiav. Tshwj xeeb, cov ntsia hlau fasteners raug muab tso rau hauv cov tshuaj lom neeg thiab boiled, yog li ntawd cov yeeb yaj kiab dub oxide tau tsim rau ntawm qhov chaw ntawm cov ntsia hlau. Tom qab cov txheej txheem no, cov khoom tiav lawm muaj qhov zoo nkauj heev, tab sis nws qhov kev tiv thaiv corrosion tsis muaj zog. Yog li ntawd, yuav tsum tau kho qhov chaw oxidation ntxiv. Oxidation blackening kuj yog ib txoj kev kho qhov chaw uas siv ntau. Hauv qhov kev kho mob tiv thaiv kev xoob no, cov ntsia hlau fasteners raug muab tso rau hauv cov tshuaj oxidizing muaj zog, thiab tom qab ib lub sijhawm, cov yeeb yaj kiab dub hlau oxide zoo nkauj thiab ntom tau tsim, uas kuj muab kev tiv thaiv corrosion.
Koj tus khub ib qho chaw rau titanium: los ntawm kev muab khoom siv raw mus rau kev ua cov kws tshaj lij thiab kev tsim khoom. Tau txais kev hais nqe tshwj xeeb rau koj cov kev xav tau titanium.
1. Kev kho ua ntej: Kev ntxuav thiab kev npaj
Qhov no yog kauj ruam tseem ceeb tshaj plaws, uas ncaj qha txiav txim siab qhov sib xws thiab qhov zoo ntawm cov xim kawg.
Kev Ntxuav Kom Zoo
Muab cov ntsia hlau titanium uas twb ua tiav thiab tsim lawm rau hauv lub tshuab ntxuav ultrasonic, thiab siv cov kuab tshuaj organic (xws li acetone, cawv) kom tshem tawm cov roj av, cov cim ntiv tes thiab txhua yam tsis huv ntawm qhov chaw.
Kev Sib Tsoo thiab Kev Txhuam Hniav
Raws li qhov xav tau kawg, kev txhuam hniav lossis kev txhuam hniav electrolytic ntawm cov ntsia hlau yuav tsum tau ua kom tau txais lub hauv paus du thiab zoo li daim iav. Qhov du dua qhov chaw, qhov xim yuav sib xws thiab ci dua.
2. Kev Kho Mob Anodizing
Qhov no yog cov txheej txheem xim tseem ceeb thiab yuav tsum tau ua tiav hauv lub cell electrolytic tshwj xeeb.
Kev Npaj Cov Electrolyte
Feem ntau, cov kua qaub phosphoric acid uas tau diluted, sulfuric acid, triethanolamine, thiab lwm yam, yog siv ua electrolyte. Cov electrolytes sib txawv yuav tsim cov xim sib txawv me ntsis.
Tsim kom muaj lub Circuit Court
- Siv cov uas tau ntxuav lawm titanium ntsia hlau ua tus anode thiab txuas lawv rau lub electrode zoo ntawm lub hwj chim.
- Siv ib daim hlau inert (xws li daim platinum lossis daim titanium) ua lub cathode thiab txuas nws rau lub electrode tsis zoo ntawm lub hwj chim. Muab ob qho tib si anode thiab cathode rau hauv cov electrolyte.
Kev siv hluav taws xob rau oxidation
- Qhib lub hwj chim DC thiab maj mam nce qhov voltage thiab raug.
- Lub zog hluav taws xob raug tswj hwm los ntawm lub zog fais fab thiab maj mam nce. Thaum lub zog hluav taws xob nce siab, ib zaj duab xis oxide pib tsim rau ntawm qhov chaw ntawm titanium anode, thiab qhov tuab ntawm zaj duab xis oxide nce linearly nrog qhov nce ntawm lub zog hluav taws xob.
Xim Tswj Tau Zoo Los Ntawm Voltage
- Qhov hluav taws xob qis tsim cov zaj duab xis oxide nyias, sib raug rau cov xim xws li xiav, kub, thiab ntshav.
- Qhov hluav taws xob nruab nrab tsim cov zaj duab xis oxide ntawm qhov tuab nruab nrab, sib raug rau cov xim xws li xiav tsaus, ntshav, thiab ntsuab.
- Qhov hluav taws xob siab tsim cov zaj duab xis oxide tuab, sib raug rau cov xim xws li ntsuab, liab dawb, thiab daj.