Cov ntawv ci tooj liab yog cov khoom siv tooj liab nyias heev. Nws tuaj yeem muab faib ua ob hom los ntawm cov txheej txheem: cov ntawv ci tooj liab dov (RA) thiab cov ntawv ci tooj liab electrolytic (ED). Cov ntawv ci tooj liab muaj cov hluav taws xob zoo heev thiab thermal conductivity, thiab muaj cov khoom ntawm kev tiv thaiv hluav taws xob thiab cov teeb liab sib nqus. Cov ntawv ci tooj liab yog siv ntau heev hauv kev tsim cov khoom siv hluav taws xob precision. Nrog rau kev nce qib ntawm kev tsim khoom niaj hnub no, qhov kev thov rau cov khoom siv hluav taws xob nyias dua, sib dua, me dua thiab nqa tau ntau dua tau ua rau muaj ntau yam kev siv rau cov ntawv ci tooj liab.
Cov ntawv ci tooj liab dov hu ua RA ntawv ci tooj liab. Nws yog cov khoom siv tooj liab uas tsim los ntawm kev dov lub cev. Vim nws cov txheej txheem tsim khoom, RA ntawv ci tooj liab muaj cov qauv kheej kheej sab hauv. Thiab nws tuaj yeem hloov kho kom mos thiab tawv los ntawm kev siv cov txheej txheem annealing. RA ntawv ci tooj liab yog siv rau hauv kev tsim cov khoom siv hluav taws xob siab, tshwj xeeb tshaj yog cov uas xav tau qee qib ntawm kev ywj pheej hauv cov khoom siv.
Cov ntawv ci tooj liab electrolytic hu ua ED ntawv ci tooj liab. Nws yog cov khoom siv ntawv ci tooj liab uas tsim los ntawm cov txheej txheem tso tshuaj lom neeg. Vim yog qhov xwm txheej ntawm cov txheej txheem ntau lawm, cov ntawv ci tooj liab electrolytic muaj cov qauv columnar sab hauv. Cov txheej txheem ntau lawm ntawm cov ntawv ci tooj liab electrolytic yog qhov yooj yim thiab siv rau hauv cov khoom uas xav tau ntau cov txheej txheem yooj yim, xws li cov laug cam thiab cov roj teeb lithium tsis zoo.
RA tooj liab ntawv ci thiab electrolytic tooj liab ntawv ci muaj lawv qhov zoo thiab qhov tsis zoo hauv qab no:
RA cov ntawv ci tooj liab yog purer dua nyob rau hauv cov ntsiab lus tooj liab;
RA cov ntawv ci tooj liab muaj kev ua tau zoo dua li cov ntawv ci tooj liab electrolytic hauv cov khoom siv lub cev;
Muaj qhov sib txawv me ntsis ntawm ob hom ntawv ci tooj liab hauv cov ntsiab lus ntawm cov khoom siv tshuaj lom neeg;
Hais txog tus nqi, ED tooj liab ntawv ci yooj yim dua rau kev tsim khoom loj vim nws cov txheej txheem tsim khoom yooj yim thiab pheej yig dua li cov ntawv ci tooj liab calendered.
Feem ntau, RA cov ntawv ci tooj liab yog siv rau theem thaum ntxov ntawm kev tsim khoom, tab sis thaum cov txheej txheem tsim khoom dhau los ua neeg laus dua, ED cov ntawv ci tooj liab yuav siv los txo cov nqi.
Cov ntawv ci tooj liab muaj cov hluav taws xob zoo thiab thermal conductivity, thiab nws kuj muaj cov khoom tiv thaiv zoo rau cov teeb liab hluav taws xob thiab sib nqus. Yog li ntawd, nws feem ntau siv ua cov khoom siv hluav taws xob lossis thermal conductivity hauv cov khoom siv hluav taws xob thiab hluav taws xob, lossis ua cov khoom tiv thaiv rau qee cov khoom siv hluav taws xob. Vim yog cov khoom pom tseeb thiab lub cev ntawm tooj liab thiab tooj liab alloys, lawv kuj siv rau hauv kev kho kom zoo nkauj thiab lwm yam lag luam.
Cov khoom siv raw rau cov ntawv ci tooj liab yog tooj liab ntshiab, tab sis cov khoom siv raw yog nyob rau hauv cov xeev sib txawv vim yog cov txheej txheem ntau lawm sib txawv. Cov ntawv ci tooj liab dov feem ntau yog ua los ntawm cov ntawv tooj liab cathode electrolytic uas yaj thiab tom qab ntawd dov; Cov ntawv ci tooj liab electrolytic yuav tsum muab cov khoom siv raw rau hauv cov kua sulfuric acid rau kev yaj ua tooj liab-da dej, tom qab ntawd nws nyiam siv cov khoom siv raw xws li tooj liab txhaj lossis tooj liab hlau rau kev yaj zoo dua nrog sulfuric acid.
Cov ions tooj liab ua haujlwm heev hauv huab cua thiab tuaj yeem yooj yim cuam tshuam nrog cov ions oxygen hauv huab cua los tsim cov tooj liab oxide. Peb kho qhov chaw ntawm cov ntawv ci tooj liab nrog chav sov tiv thaiv kev oxidation thaum lub sijhawm tsim khoom, tab sis qhov no tsuas yog ncua lub sijhawm thaum cov ntawv ci tooj liab raug oxidized. Yog li ntawd, nws raug pom zoo kom siv cov ntawv ci tooj liab sai li sai tau tom qab qhib lub thawv. Thiab khaws cov ntawv ci tooj liab tsis siv rau hauv qhov chaw qhuav, tiv thaiv lub teeb kom deb ntawm cov pa roj volatile. Qhov kub cia pom zoo rau cov ntawv ci tooj liab yog li 25 degrees Celsius thiab cov av noo yuav tsum tsis pub tshaj 70%.
Cov ntawv ci tooj liab tsis yog tsuas yog cov khoom siv hluav taws xob xwb, tab sis kuj yog cov khoom siv lag luam pheej yig tshaj plaws. Cov ntawv ci tooj liab muaj hluav taws xob thiab thermal conductivity zoo dua li cov khoom siv hlau ib txwm muaj.
Daim kab xev tooj liab feem ntau yog cov khoom siv hluav taws xob ntawm sab tooj liab, thiab sab nplaum kuj tuaj yeem ua cov khoom siv hluav taws xob los ntawm kev muab cov hmoov hluav taws xob rau hauv cov nplaum. Yog li ntawd, koj yuav tsum paub meej tias koj puas xav tau daim kab xev tooj liab ib sab lossis daim kab xev tooj liab ob sab thaum lub sijhawm yuav khoom.
Cov ntawv ci tooj liab uas muaj qhov oxidation me ntsis ntawm qhov chaw tuaj yeem tshem tawm nrog daim txhuam cev cawv. Yog tias nws yog oxidation ntev lossis oxidation thaj chaw loj, nws yuav tsum tau ntxuav nrog cov kua sulfuric acid.
CIVEN Metal muaj daim kab xev tooj liab tshwj xeeb rau cov iav pleev xim uas yooj yim siv heev.
Hauv kev xav, yog; txawm li cas los xij, vim tias cov khoom siv yaj tsis tau ua nyob rau hauv qhov chaw nqus tsev thiab cov chaw tsim khoom sib txawv siv cov kub sib txawv thiab cov txheej txheem tsim khoom, ua ke nrog qhov sib txawv ntawm cov chaw tsim khoom, nws muaj peev xwm rau cov ntsiab lus sib txawv sib xyaw rau hauv cov khoom siv thaum lub sijhawm tsim khoom. Yog li ntawd, txawm tias cov khoom sib xyaw ua ke zoo ib yam, tuaj yeem muaj qhov sib txawv xim hauv cov khoom siv los ntawm cov chaw tsim khoom sib txawv.
Qee zaum, txawm tias rau cov ntaub ntawv tooj liab uas muaj cov khoom siv siab, cov xim ntawm cov ntawv ci tooj liab uas tsim los ntawm ntau lub tuam txhab tsim khoom tuaj yeem sib txawv hauv qhov tsaus ntuj. Ib txhia neeg ntseeg tias cov ntawv ci tooj liab liab tsaus dua muaj cov khoom siv siab dua. Txawm li cas los xij, qhov no tsis tas yuav yog qhov tseeb vim tias, ntxiv rau cov ntsiab lus tooj liab, qhov du ntawm qhov chaw ntawm cov ntawv ci tooj liab kuj tseem tuaj yeem ua rau muaj qhov sib txawv ntawm cov xim uas tib neeg lub qhov muag pom. Piv txwv li, cov ntawv ci tooj liab uas muaj qhov du ntawm qhov chaw siab yuav muaj kev cuam tshuam zoo dua, ua rau xim ntawm qhov chaw zoo li sib dua, thiab qee zaum txawm tias dawb. Qhov tseeb, qhov no yog qhov tshwm sim ib txwm muaj rau cov ntawv ci tooj liab uas muaj qhov du zoo, qhia tias qhov chaw du thiab muaj qhov tsis zoo.
Cov ntawv ci tooj liab electrolytic yog tsim los ntawm kev siv tshuaj lom neeg, yog li qhov chaw ua tiav lawm tsis muaj roj. Qhov sib txawv, cov ntawv ci tooj liab dov yog tsim los ntawm kev siv txoj kev dov lub cev, thiab thaum lub sijhawm tsim khoom, cov roj lubricating los ntawm cov rollers tuaj yeem nyob rau ntawm qhov chaw thiab sab hauv cov khoom tiav lawm. Yog li ntawd, tom qab ntawd kev ntxuav qhov chaw thiab cov txheej txheem degreasing yog qhov tsim nyog los tshem tawm cov roj seem. Yog tias cov roj seem no tsis raug tshem tawm, lawv tuaj yeem cuam tshuam rau qhov tsis kam ntawm cov khoom tiav lawm. Tshwj xeeb tshaj yog thaum lub sijhawm kub siab lamination, cov roj seem sab hauv yuav nkag mus rau qhov chaw.
Qhov siab dua qhov du ntawm cov ntawv ci tooj liab, qhov siab dua qhov cuam tshuam, uas yuav zoo li dawb rau lub qhov muag liab qab. Qhov siab dua ntawm qhov du kuj tseem txhim kho me ntsis cov khoom siv hluav taws xob thiab thermal conductivity. Yog tias xav tau cov txheej txheem txheej tom qab, nws yog qhov zoo dua los xaiv cov txheej txheem dej ntau li ntau tau. Cov txheej txheem roj, vim lawv cov qauv molecular saum npoo loj dua, yuav tev tawm ntau dua.
Tom qab cov txheej txheem annealing, qhov yooj ywm thiab plasticity ntawm cov khoom siv tooj liab tau zoo dua, thaum nws qhov resistivity txo qis, ua rau nws cov hluav taws xob conductivity zoo dua. Txawm li cas los xij, cov khoom siv annealed muaj kev cuam tshuam ntau dua rau khawb thiab dents thaum nws los rau hauv kev sib cuag nrog cov khoom tawv. Tsis tas li ntawd, me ntsis kev co thaum lub sijhawm tsim khoom thiab kev xa khoom tuaj yeem ua rau cov khoom deform thiab tsim embossing. Yog li ntawd, kev saib xyuas ntxiv yog qhov yuav tsum tau ua thaum lub sijhawm tsim khoom thiab ua tiav tom qab.
Vim tias cov qauv thoob ntiaj teb tam sim no tsis muaj cov txheej txheem kuaj thiab cov qauv raug thiab sib xws rau cov ntaub ntawv uas muaj tuab tsawg dua 0.2 hli, nws nyuaj rau siv cov nqi nyuaj ib txwm los txhais qhov mos lossis tawv ntawm cov ntawv ci tooj liab. Vim yog qhov xwm txheej no, cov tuam txhab tsim cov ntawv ci tooj liab siv lub zog tensile thiab elongation los qhia txog qhov mos lossis tawv ntawm cov ntaub ntawv, es tsis yog cov nqi nyuaj ib txwm muaj.
Cov Ntawv Nyiaj Tooj Liab Annealed (Lub Xeev Mos):
- Qis dua qhov nyuaj thiab siab dua ductility: Yooj yim rau kev ua thiab tsim.
- Kev ua hluav taws xob zoo dua: Cov txheej txheem annealing txo cov ciam teb ntawm cov noob thiab cov qhov tsis zoo.
- Zoo ntawm qhov chaw: Haum rau kev siv ua lub substrate rau cov printed circuit boards (PCBs).
Ntawv Nyiaj Tooj Liab Semi-Hard:
- Qhov nyuaj nruab nrab: Muaj qee qhov peev xwm khaws cia cov duab.
- Haum rau cov ntawv thov uas xav tau qee lub zog thiab rigiditySiv rau hauv qee hom khoom siv hluav taws xob.
Ntawv Nyiaj Tooj Liab Nyuaj:
- Kev nyuaj siab dua: Tsis yooj yim deformed, tsim rau cov ntawv thov uas xav tau qhov ntev meej.
- Kev ua haujlwm qis dua: Yuav tsum tau saib xyuas ntau dua thaum lub sijhawm ua tiav.
Lub zog tensile thiab elongation ntawm cov ntawv ci tooj liab yog ob qho tseem ceeb ntawm kev ua tau zoo ntawm lub cev uas muaj qee qhov kev sib raug zoo thiab cuam tshuam ncaj qha rau qhov zoo thiab kev ntseeg siab ntawm cov ntawv ci tooj liab. Lub zog tensile yog hais txog lub peev xwm ntawm cov ntawv ci tooj liab kom tiv taus kev tawg hauv qab lub zog tensile, feem ntau qhia hauv megapascals (MPa). Elongation yog hais txog lub peev xwm ntawm cov khoom siv los hloov pauv yas thaum lub sijhawm ncab, qhia ua feem pua.
Lub zog tensile thiab elongation ntawm cov ntawv ci tooj liab yog cuam tshuam los ntawm ob qho tib si tuab thiab qhov loj ntawm cov noob. Txhawm rau piav qhia txog qhov loj me no, qhov sib piv ntawm qhov tuab thiab qhov loj ntawm cov noob (T/D) yuav tsum tau qhia ua qhov sib piv. Lub zog tensile sib txawv ntawm cov qhov sib piv ntawm cov tuab thiab cov noob sib txawv, thaum elongation txo qis thaum cov tuab txo qis thaum qhov sib piv ntawm cov tuab thiab cov noob tas li.