Cov Hlau Sterling Silver AgCu7.5 Enamelled/Varnished Dawb Huv Rau Kev Siv Lub Cev Muaj Zog

1. Kev taw qhia txog cov khoom siv

Nyiajyog ib yam tshuaj lom neeg uas muaj lub cimAgthiab tus lej atomic 47. Ib qho hlau hloov pauv mos, dawb, ci ntsa iab, nws qhia txog qhov ua tau hluav taws xob siab tshaj plaws, kev ua tau thermal, thiab kev cuam tshuam ntawm txhua yam hlau. Cov hlau no pom muaj nyob rau hauv lub ntiaj teb lub plhaub hauv daim ntawv ntshiab, dawb ("nyiaj hauv zos"), ua ib qho hlau nrog kub thiab lwm yam hlau, thiab hauv cov zaub mov xws li argentite thiab chlorargyrite. Feem ntau cov nyiaj yog tsim los ua cov khoom lag luam ntawm tooj liab, kub, txhuas, thiab zinc refining.

Nyiaj tau raug suav tias yog ib yam hlau muaj nqis ntev lawm. Cov hlau nyiaj siv rau hauv ntau lub npib bullion, qee zaum nrog rau kub: thaum nws muaj ntau dua li kub, nws tsis muaj ntau npaum li cov hlau hauv zos. Nws qhov kev dawb huv feem ntau yog ntsuas ntawm ib-mille; ib qho hlau ntshiab 94% yog piav qhia tias "0.940 zoo". Raws li ib qho ntawm xya yam hlau ntawm ancient keeb kwm, nyiaj tau muaj lub luag haujlwm ntev hauv feem ntau ntawm tib neeg kab lis kev cai.

Tsis tas li ntawm cov nyiaj thiab ua ib qho chaw nqis peev (npib thiab bullion), nyiaj siv rau hauv cov vaj huam sib luag hnub ci, lim dej, hniav nyiaj hniav kub, kho kom zoo nkauj, cov khoom siv hauv rooj tog thiab cov khoom siv muaj nqis (yog li ntawd lub npe hu ua khoom siv nyiaj), hauv cov khoom siv hluav taws xob thiab cov neeg xa hluav taws xob, hauv cov iav tshwj xeeb, cov txheej txheem qhov rai, hauv kev ua kom cov tshuaj tiv thaiv, ua cov xim hauv cov iav pleev xim thiab hauv cov khoom qab zib tshwj xeeb. Nws cov tshuaj sib xyaw yog siv rau hauv cov duab thaij duab thiab X-ray zaj duab xis. Cov tshuaj dilute ntawm cov nyiaj nitrate thiab lwm cov tshuaj sib xyaw nyiaj yog siv ua cov tshuaj tua kab mob thiab cov kab mob me me (oligodynamic effect), ntxiv rau cov ntaub qhwv thiab cov ntaub qhwv qhov txhab, catheters, thiab lwm yam cuab yeej kho mob.

Cov Cheebtsam Tshuaj thiab Cov Khoom Siv Kho Tshuab:

2. Kev piav qhia txog kev rwb thaiv tsev

Cov hlau nplaum uas muaj polyimide insulated muaj peev xwm ua haujlwm tau txog li 250 °C. Kev rwb thaiv tsev ntawm cov hlau nplaum tuab dua lossis cov hlau nplaum plaub fab feem ntau yog ntxiv los ntawm kev qhwv nws nrog daim kab xev polyimide lossis fiberglass kub siab, thiab cov xov hlau tiav feem ntau yog nqus tsev impregnated nrog cov kua roj vanish insulating los txhim kho lub zog rwb thaiv tsev thiab kev ntseeg siab mus sij hawm ntev ntawm cov xov hlau.

Cov kauj uas txhawb nqa tus kheej yog qhwv nrog cov hlau coated nrog tsawg kawg yog ob txheej, sab nraud tshaj plaws yog cov thermoplastic uas khi cov tig ua ke thaum cua sov.

Lwm hom rwb thaiv tsev xws li cov xov fiberglass nrog cov kua roj vanish, ntawv aramid, kraft papaer, mica, thiabpolyesterCov yeeb yaj kiab kuj siv dav thoob plaws ntiaj teb rau ntau yam kev siv xws li transformers thiab reactors. Hauv lub suab, ib txoj hlau ntawm kev tsim nyiaj, thiab ntau yam insulators, xws li paj rwb (qee zaum permeated nrog qee yam coagulating agent / thickener, xws li beeswax) thiab polytetrafluoroethylene (PTFE) tuaj yeem pom. Cov ntaub ntawv rwb thaiv tsev qub suav nrog paj rwb, ntawv, lossis silk, tab sis cov no tsuas yog siv tau rau cov ntawv thov qis-kub (txog li 105 ° C).

Rau qhov yooj yim ntawm kev tsim khoom, qee cov hlau nplaum qib qis-kub muaj cov rwb thaiv tsev uas tuaj yeem tshem tawm los ntawm cua sov ntawm kev sib txuas. Qhov no txhais tau tias kev sib txuas hluav taws xob ntawm qhov kawg tuaj yeem ua tau yam tsis tas yuav tshem tawm cov rwb thaiv tsev ua ntej.

Hom Kev Rwb Thaiv Tsev