Tooj liab yog cov ntshiab thiab ib qho hlau, txhua yam khoom ua los ntawm tooj liab qhia tib yam khoom. Ntawm qhov tod tes, tooj dag yog ib qho alloy ntawm tooj liab, zinc, thiab lwm yam hlau. Kev sib xyaw ua ke ntawm ntau yam hlau txhais tau hais tias tsis muaj ib txoj hauv kev tsis zoo los txheeb xyuas tag nrho cov tooj dag. Txawm li cas los xij, peb tab tom tham txog cov txheej txheem ntawm yuav ua li cas sib txawv tooj dag los ntawm tooj liab. Cov txheej txheem no tau hais hauv qab no:
● Xim Xim
Ntxuav ob lub hlau kom sib txawv. Ob qho tib si tooj liab thiab tooj dag tsim lub patina nrog lub sijhawm. Qhov no patina feem ntau yog ntsuab. Hauv qhov xwm txheej uas pom cov hlau qub, sim ua cov txheej txheem ntxuav ntawm tooj dag. Thaum cov txheej txheem no ua haujlwm rau ob qho tib si hlau, siv cov khoom lag luam tooj liab thiab tooj dag ntxuav kom muaj kev nyab xeeb dua.
Muab cov hlau tso rau hauv qab lub teeb dawb. Hauv qhov no, yog tias cov hlau yuav tsum tau txheeb xyuas yog polished, ces lub teeb cuav yuav pom tau los ntawm qhov pom ntawm lub teeb. Lwm txoj hauv kev mus ncig qhov no yog saib nws hauv qab lub teeb fluorescent dawb lossis lub hnub ci. Rau kev txheeb xyuas thov zam lub teeb daj incandescent.
Txheeb xyuas cov xim liab ntawm tooj liab. Nws yog cov hlau ntshiab nrog lub ntsej muag liab-xim av.
Tshawb xyuas cov tooj dag daj. Brass yog ua los ntawm tooj liab thiab zinc. Qhov sib txawv ntawm zinc hauv tooj dag tsim cov xim sib txawv. Feem ntau, cov tooj dag siv tau nthuav tawm cov xim daj daj lossis xim daj-xim av uas zoo ib yam li tooj liab. Lwm hom tooj dag yog ntsuab-daj nyob rau hauv tsos, thaum lub alloy no hu ua "lub gilding hlau". Nws muaj kev txwv tsis pub siv cov mos txwv thiab kho kom zoo nkauj.
Tshawb xyuas cov liab lossis txiv kab ntxwv tooj dag. Thaum tooj liab alloy hlau yog tsim los ntawm tsawg kawg yog 85% tooj liab, nws yuav zoo li reddish-xim av los yog txiv kab ntxwv. Hom tooj dag no feem ntau yog siv rau hauv cov khoom siv kho kom zoo nkauj, cov hniav nyiaj hniav kub, thiab cov kav dej. Yog li, ib qho lus qhia ntawm daj, txiv kab ntxwv, lossis xim kub qhia tias cov hlau yog tooj dag thiab tsis yog tooj liab.
Txheeb xyuas lwm yam tooj dag. High zinc ntsiab lus tooj dag tuaj yeem saib kub kub, dawb, grey, lossis txawm daj-dawb. Cov alloys nyob rau hauv cov pawg no tsis muaj ntau vim lawv tsis machinable. Txawm li cas los xij, koj tuaj yeem pom lawv daim ntawv thov hauv cov hniav nyiaj hniav kub.
● Lwm Txoj Kev Qhia Txog Tus Kheej
Kev siv lub suab: txij li tooj liab yog cov hlau mos, nws ua rau lub suab tsis sib haum thaum tawm tsam lwm yam. Ib qho kev sim ua nyob rau xyoo 1987 tau piav txog tooj liab lub suab li 'tuag' thaum tooj dag tau hais kom tawm lub suab nrov nrov. Kev txiav txim siab nrog txoj kev no yuav nyuaj yam tsis muaj kev paub dhau los. Cov xov xwm zoo yog tias kev kawm txoj kev no dhau sijhawm yog qhov tseem ceeb tshwj xeeb tshaj yog rau kev nyiam ua khoom qub lossis khoom seem. Txoj kev no ua haujlwm zoo tshaj plaws rau cov txheej txheem ruaj khov.
Xaiv cov hlau zoo rau koj qhov project
Kev xaiv cov hlau zoo rau ib daim ntawv thov yog ib qho tseem ceeb uas yuav tsum nco ntsoov thaum nws los txog rau kev tsim thiab tsim cov khoom zoo lossis cov khoom. Txawm hais tias ob qho tib si hlau (Copper & Brass) muab thermal thiab hluav taws xob conductivity, lub zog, corrosion kuj, thiab ntau dua, lawv txhua tus muaj qhov sib txawv.
Txawm hais tias txhua tus tooj liab thiab tooj dag yog qhov ruaj khov, lawv tsis muaj tib theem ntawm kev hloov pauv. Hauv kev xaiv rau koj qhov project, ntshiab oxygen-dawb tooj liab nthuav qhia qhov yooj yim tshaj plaws, kev coj ua, thiab ductility thaum bronze muab kev ua haujlwm.
Hais txog kev siv hluav taws xob dav dav, tooj dag feem ntau suav hais tias yog thiab tsim nyog rau kev siv dav dav. Nws yog ib qho yooj yim rau cam khwb cia, kuj pheej yig, thiab malleable nrog tsis tshua muaj kev sib txhuam. Brass yog feem ntau siv rau cov khoom siv kho kom zoo nkauj thiab rau cov khoom hlau uas tib neeg tuaj ntsib nrog txhua hnub xws li lub qhov rooj. Nws muaj feem xyuam rau hauv kev lag luam ua zaub mov rau qib zaub mov uas yuav tsum tau tiv thaiv kab mob microbial thiab kab mob.
Summary: Brass vs. Copper, Qhov twg yog qhov zoo tshaj rau koj qhov project?
Kev nkag siab txog cov khoom ntawm tooj dag thiab tooj liab yog qhov tseem ceeb rau kev xaiv cov khoom siv zoo tshaj plaws rau koj cov haujlwm. Nws pab muab cov lus teb rau lo lus nug uas muaj hnub nyoog ntawm "qhov twg zoo dua ntawm tooj liab thiab tooj dag." Peb cov ntaub ntawv ntxaws ntxaws yuav ua rau koj paub tias ob qho tib si hlau muaj txiaj ntsig ntau dua hauv lawv daim ntawv thov. Hauv kev xaus, ob qho tib si hlau zoo dua rau lawv cov kev siv tshwj xeeb.
Yog tias koj xav tau machining tooj dag qhov chaw lossis machining tooj liab qhov chaw, JINDALAI yog tus neeg muag khoom zoo tshaj plaws uas koj tuaj yeem ntseeg tau, Kuv zoo siab tau hnov los ntawm koj!
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Post lub sij hawm: Dec-19-2022