Vim nws cov khoom siv hluav taws xob zoo heev, tooj liab yog cov hlau siv dav hauv ntau yam kev siv hluav taws xob.Nws muaj ob peb lub cev thiab tshuaj lom neeg uas ua rau nws ua tau zoo tshaj plaws ntawm hluav taws xob.
Ua ntej, tooj liab muaj hluav taws xob conductivity siab.Conductivity yog hais txog lub peev xwm ntawm cov khoom siv los nqa hluav taws xob tam sim no.Tooj liab muaj ib qho ntawm cov hluav taws xob siab tshaj plaws ntawm tag nrho cov hlau.Nws conductivity ntawm chav tsev kub yog kwv yees li 58.5 lab Siemens ib 'meter' (S / m).Qhov siab conductivity no txhais tau hais tias tooj liab tuaj yeem thauj tau zoo thiab txo qis zog poob hauv daim ntawv ntawm tshav kub.Nws ua kom muaj txiaj ntsig zoo ntawm cov khoom siv hluav taws xob, ua kom muaj kev sib kis ntawm lub zog ntawm qhov ntev yam tsis muaj lub zog loj.
Ib qho ntawm cov laj thawj tooj liab yog qhov ua tau zoo heev yog nws cov qauv atomic.Tooj liab tsuas muaj ib qho hluav taws xob nyob rau hauv nws lub plhaub sab nraud, xoob khi rau lub nucleus.Cov qauv no tso cai rau cov hluav taws xob txav mus los ntawm cov tooj liab lub lattice qauv.Thaum siv hluav taws xob, cov khoom siv hluav taws xob dawb no tuaj yeem txav tau yooj yim los ntawm lub lattice, nqa cov hluav taws xob tam sim no nrog tsawg heev.
Tsis tas li ntawd, tooj liab muaj tsawg resistivity.Resistivity yog hais txog qhov tsis kam ntawm cov khoom siv rau qhov ntws ntawm hluav taws xob tam sim no.Lub resistivity ntawm tooj liab nyob rau hauv chav tsev kub yog hais txog 1.68 x 10^-8 ohm-meters (Ω·m).Qhov no tsis tshua muaj resistivity txhais tau hais tias tooj liab muaj kev tiv thaiv tsawg heev rau kev ntws ntawm electrons, txo qis zog poob thiab tsim hluav taws xob.Tsawg resistivity yog qhov tseem ceeb rau cov ntawv thov uas muaj qhov xav tau tam sim no, xws li kev xa hluav taws xob thiab cov xov hlau.
Copper cov khoom siv hluav taws xob zoo heev kuj yog vim nws cov khoom thermal.Nws muaj cov thermal conductivity siab, uas txhais tau tias nws ua kom sov tau zoo.Cov cuab yeej no muaj txiaj ntsig zoo hauv kev siv hluav taws xob vim tias nws tso cai rau tooj liab kom dissipate cov cua sov uas tsim los ntawm kev ntws ntawm hluav taws xob tam sim no.Kev siv hluav taws xob muaj txiaj ntsig zoo pab tswj kev ruaj ntseg thiab kev ntseeg siab ntawm cov khoom siv hluav taws xob, tiv thaiv overheating thiab ua kom lawv cov kev ua haujlwm ntev.
Tsis tas li ntawd, tooj liab yog ib yam hlau uas muaj zog heev.Ductility yog hais txog lub peev xwm ntawm cov khoom siv los kos rau hauv cov xov hlau nyias yam tsis muaj kev tawg.Copper lub siab ductility ua rau nws zoo tagnrho rau cov hlau vim nws tuaj yeem ua tau yooj yim zoo li tus thiab tsim rau hauv nyias, hloov tau yooj yim.Cov xov hlau no tuaj yeem raug xa mus rau hauv cov kev teeb tsa nyuaj, ua rau lawv zoo tagnrho rau ntau yam kev siv hluav taws xob, nrog rau cov tsev nyob, kev lag luam thiab kev lag luam.
Tooj liab kuj pom zoo corrosion kuj.Thaum raug huab cua, nws tsim ib txheej tiv thaiv oxide uas tiv thaiv corrosion ntxiv thiab degradation.Cov yam ntxwv no yog qhov tseem ceeb hauv kev siv hluav taws xob vim nws ua kom muaj kev ntseeg tau ntev thiab ua haujlwm ntev ntawm tooj liab conductors.Copper's corrosion kuj tso cai rau nws tswj nws cov hluav taws xob conductivity rau lub sij hawm ntev txawm nyob rau hauv ib puag ncig hnyav.
Lwm qhov zoo ntawm tooj liab raws li cov khoom siv hluav taws xob yog nws qhov kev nplua nuj thiab muaj.Tooj liab yog ib qho khoom siv dav dav thoob plaws ntiaj teb.Qhov kev nkag tau yooj yim no ua rau nws muaj txiaj ntsig zoo rau kev siv hluav taws xob vim tias nws yooj yim siv thiab pheej yig dua piv rau lwm cov hlau ua tau zoo.
Nyob rau hauv cov ntsiab lus, tooj liab yog ib tug zoo heev hluav taws xob conductor vim nws high hluav taws xob conductivity, tsis tshua muaj resistivity, thermal zog, ductility, corrosion kuj, thiab abundance.Nws cov qauv atomic tshwj xeeb thiab lub cev muaj zog tso cai rau kev thauj mus los ntawm cov nqi nrog tsawg zog poob.Tooj liab qhov tshwj xeeb hluav taws xob conductivity ua rau nws yog ib qho tseem ceeb ntawm cov khoom siv hluav taws xob ntau, los ntawm kev xa hluav taws xob thiab xaim mus rau cov khoom siv hluav taws xob thiab cov khoom siv hluav taws xob.
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Post lub sij hawm: Aug-21-2023
