Cov khoom siv hluav taws xob tau ntev lawm yog Sn-Pb eutectic solder ua cov khoom siv vuam vov loj. Tam sim no, yuav kom tiv thaiv tau ib puag ncig, muaj ntau yam yees siv kev sib txuas lus hauv kev hloov vuam cov ntaub ntawv, uas kuj nyuaj tshaj. nyob rau hauv cov teeb meem no. Los hloov cov Sn-Pb eutectic solder-free solder, kom ntau li ntau tau kom muaj tus yam ntxwv ntawm tus thawj Sn-Pb eutectic solder. Txog rau thaum kawg no, cov kev cai ntawm kev kawm txog cov kab xev dawb tsis muaj xws li cov nram qab no:
① tsis muaj cov tshuaj lim piam thaj chaw, toxicity yog me me.
② lub tshav kub ntawm cov kav tshuav nyob ze rau ntawm qhov chaw melting ntawm Sn-Pb eutectic solder yuav tsum yog li 200 ℃.
③ muaj hluav taws xob ua kom zoo thiab kev nkag mus.
④ siv tau cov cuab yeej uas twb muaj lawm, wettability zoo dua.
⑥ txaus lub zog, kev ua haujlwm zoo.
⑥ khoom txaus, luv nqi thiab lwm yam.
Yuav tsum muaj cov hlau lead uas tsis muaj hlau lead, txhuas lub cev, cov khoom siv tshuaj, lub zog ua kom muaj zog thiab tin-txhuas txhaws ua kom zoo li tsim nyog.
① muaj pes tsawg leeg tsis muaj taug txhuas los yog lwm yam ntawm cov huab cua phem.
② yaj ntsuas ntawm cov hlau yuav tsum nyob ze rau lub thawv-txhuas cov hlab pas, ntawm 180 ~ 230 ℃.
③ Ib qho khoom me me-kua coexistence kub ntau, muab cov sij hawm luv luv, yog qhov tsim kom muaj kev sib xyaw ua kom zoo.
④ muaj lub cev zoo, xws li kev sib txuas, thermal conductivity, wettability, nto nro thiab ntxiv rau.
⑤ nrog cov khoom siv tshuaj zoo, xws li kev tiv thaiv corrosion, oxidation kuj tsis yooj yim, tsis yooj yim los tsim hluav taws xob thiab lwm yam.
⑥ zoo hlau metallurgical, thiab tooj liab, nyiaj, palladium, kub, 42 hlau alloy hlau, xauv tes, thiab lwm yam. kho. '
Lawm dua residue generated thaum welding.
⑧ nrog manufacturability, yooj yim ua cov khoom ci, cov laug cam, electrodes, xaim thiab lwm yam ntaub ntawv.
⑨ tsim nyog tus nqi, cov khoom siv nplua nuj, yooj yim dua tshiab.
Cov hmoov txhuas tsis tshua muaj hnoos qoob txhav thiab cov kev ua tsis huv yuav tsum raug tswj.