Dovntawv ci tooj liab, ib daim ntawv ci hlau uas muaj cov qauv kheej kheej, yog tsim thiab tsim los ntawm txoj kev dov lub cev,nws cov txheej txheem tsim khoom raws li nram no:
Kev siv cov hlau nplaum:Cov khoom siv raw yog thauj mus rau hauv lub cub tawg meltingyuav tsum yogpov rau hauv ib lub pob zeb uas zoo li lub kem plaub fab. Cov txheej txheem no txiav txim siab cov khoom siv ntawm cov khoom kawg. Hauv cov khoom siv tooj liab, lwm cov hlau tsis suav nrog tooj liab yuav raug sib xyaw ua ke hauv cov txheej txheem no.
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Rough(Kub)Dov:Lub ingot yog rhuab thiab dov rau hauv ib qho khoom nruab nrab coiled.
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Kev kho mob acidic:Cov khoom nruab nrab tom qab dov ntxhib yog ntxuav nrog cov kua qaub tsis muaj zog kom tshem tawm cov txheej oxide thiab cov khoom tsis huv ntawm qhov chaw ntawm cov khoom.
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Kev Ntsuas Tseeb(Txias)Dov:Cov khoom nruab nrab uas tau ntxuav lawm yuav raug dov ntxiv kom txog thaum nws dov mus rau qhov tuab kawg uas xav tau. Raws li cov khoom siv tooj liab hauv cov txheej txheem dov, nws cov khoom siv tawv yuav tawv, cov khoom siv tawv dhau los nyuaj rau dov, yog li thaum cov khoom siv ncav cuag qee qhov tawv, nws yuav raug annealing nruab nrab kom txo qhov tawv ntawm cov khoom siv, txhawm rau pab dov. Tib lub sijhawm, txhawm rau kom tsis txhob muaj cov dov hauv cov txheej txheem dov ntawm qhov chaw ntawm cov khoom siv los ntawm kev sib xyaw tob dhau, cov tshuab zeb siab kawg yuav raug muab tso rau ntawm cov khoom siv thiab cov dov hauv cov roj zaj duab xis, lub hom phiaj yog ua kom qhov chaw tiav ntawm cov khoom kawg siab dua.
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Kev tshem roj:Cov kauj ruam no tsuas yog muaj nyob rau hauv cov khoom lag luam siab, lub hom phiaj yog los ntxuav cov roj kho tshuab uas coj mus rau hauv cov khoom thaum lub sijhawm dov. Hauv cov txheej txheem ntxuav, kev kho mob oxidation tiv thaiv ntawm chav tsev kub (tseem hu ua kev kho mob passivation) feem ntau yog ua tiav, piv txwv li tus neeg sawv cev passivation yog muab tso rau hauv cov tshuaj ntxuav kom qeeb qhov oxidation thiab discoloration ntawm cov ntawv ci tooj liab ntawm chav tsev kub.
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Kev Kub Hnyiab:Kev siv lead ua sab hauv ntawm cov khoom siv tooj liab los ntawm cua sov ntawm qhov kub siab, yog li txo nws qhov nyuaj.
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Kev ntxhib(Xaiv tau): Qhov saum npoo ntawm cov ntawv ci tooj liab yog roughened (feem ntau yog cov hmoov tooj liab lossis cov hmoov cobalt-nickel yog txau rau ntawm qhov chaw ntawm cov ntawv ci tooj liab thiab tom qab ntawd kho) kom nce qhov roughness ntawm cov ntawv ci tooj liab (kom txhawb nws lub zog tev tawv). Hauv cov txheej txheem no, tusci ntsa iabQhov saum npoo kuj tseem kho nrog kev kho oxidation kub siab (electroplated nrog ib txheej hlau) kom ua rau cov khoom muaj peev xwm ua haujlwm ntawm qhov kub siab yam tsis muaj oxidation thiab discoloration.
(Ceeb Toom: Feem ntau cov txheej txheem no tsuas yog ua thaum muaj kev xav tau cov khoom siv zoo li no)
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Kev txiav:cov khoom siv tooj liab dov tau muab faib ua qhov dav raws li cov neeg siv khoom xav tau.
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Kev Ntsuas:Txiav ob peb qho qauv ntawm cov ntawv yob tiav lawm rau kev sim ntawm cov khoom sib xyaw, lub zog tensile, elongation, kev kam rau siab, lub zog tev tawv, roughness, tiav thiab cov neeg siv khoom xav tau kom ntseeg tau tias cov khoom tsim nyog.
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Ntim:Ntim cov khoom tiav lawm uas ua tau raws li cov cai ua pawg rau hauv cov thawv.
Lub sijhawm tshaj tawm: Lub Kaum Hli-31-2021