Taw qhia rau cov ntsiab cai ntawm kev soldering nrog cov hluav taws xob soldering hlau
Soldering yog kev tshawb fawb, thiab lub hauv paus ntsiab lus ntawm soldering nrog cov hlau hlau nrog cov nyhuv ntawm flux kom nws ntws mus rau cov hlau ua cov yas. Tom qab txias, nws tsim cov khov kho thiab txhim khu kev qha soldering point.
Thaum cov hlua yog tin ua alloy thiab vuam nto yog tooj liab, cov cam thawj wets lub vuam nto. Nrog rau qhov tshwm sim ntawm ntub dej tshwm sim, cov cam maj mam datusion ntawm lub tooj hlau tooj liab, ua rau lub tooj hlau tooj liab, ua rau ob lub tsev sib raug zoo. Yog li soldering yog ua tiav los ntawm peb lub cev nqaij daim tawv nqaij: ntub dej: ntub, diffusion, thiab metallurgical kev sib raug zoo.
1. Wetting: Cov txheej txheem ntub hais txog kev ntws ntawm cov hlau ntawm cov hlau los ntawm kev sib tw ntawm lub zog ntawm lub hauv paus, yog li cov txiv ntoo sib txuas, yog li cov txiv ntoo sib txuas, ua kom muaj kev sib ze ntawm qhov chaw nyob qhov twg atomic gravity ua.
Cov xwm txheej ib puag ncig uas ua rau ntub dej: lub saum npoo ntawm welded cov khoom siv yuav tsum yog dawb ntawm cov oxides lossis paug.
Kev hais me me hais lus, thaum dej ntws mus rau Lotus nplooj los ua cov dej ntws, nws txhais tau tias dej tsis tuaj yeem ntub cov lotus. Thaum dej ntws tawm mus rau paj rwb, cov dej pom mus rau hauv cov paj rwb thiab wets nws.
2. Diffusion: Nrog rau kev nce qib ntawm ntub dej, qhov tshwm sim ntawm kev sib txawv ntawm kev sib raug zoo ntawm kev sib cav sib ceg thiab cov hauv paus pib pib tshwm sim. Feem ntau, atoms yog nyob rau hauv ib lub thermal vibrational lub xeev nyob rau hauv lattice, ib zaug kub lub nce. Atomic kev ua kom muaj zog, ua rau cov melted solder thiab atoms hauv cov khoom siv hauv paus kom hla mus rau qhov chaw sib chwv thiab nkag mus rau lwm tus lub siab tawv. Qhov ceev thiab ntau ntawm atomic zog yog nyob ntawm qhov kub kub thiab sijhawm.
3. Metallurgical Bonding: Vim yog kev sib nrig sib sib zog sib txawv ntawm cov cam thiab cov hlau hauv cov hlau, ib qho khoom sib xyaw ua ke - yog tsim ntawm ob qho hlau. Txhawm rau kom tau txais ib qho kev sib koom ua ke zoo, cov hlau sib xyaw ua ke yuav tsum tau tsim nruab nrab ntawm welded lub hauv paus hlau thiab cov cam kom ua tiav cov khoom siv metallurgical muaj zog ntawm lub hauv paus.
