Puas yog Inconel yooj yim rau vuam?
Inconel welds feem ntau ua rau tawg, uas ua rau vuam heev. Yog li ntawd, qee qhov Inconel alloys tau tsim tshwj xeeb rau kev vuam. Piv txwv li, Inconel 625 yog yooj yim heev rau weld piv rau lwm yam Inconel alloys. Inconel 718 yog lwm alloy uas tshwj xeeb tshaj yog weldable. Nws cov ntsiab lus hlau siab ua rau nws tsis tshua muaj nqi ib kilogram dua li lwm cov ntaub ntawv ntawm tib hom, thiab nws yog nag lossis daus hardened, txo qhov kev pheej hmoo ntawm kev tawg.
Electron beam welding feem ntau suav hais tias yog cov txheej txheem vuam nyiam rau cov hlau kub kub xws li Inconel. Electron beam welding muaj lub zog siab uas yuav tsum tau ua kom yaj cov ntaub ntawv sai sai, ua kom muaj qhov nqaim fusion zone (FZ) thiab qhov txo qis ntawm qhov cuam tshuam los ntawm tshav kub (HAZ), yog li txo qis kev cuam tshuam thiab kev ntxhov siab. Electron beam welding yog ua nyob rau hauv lub tshuab nqus tsev, uas txo cov khoom paug thiab ua kom huv welds ntawm txhua qhov tob ntawm qhov nkag.
Raws li ib txwm muaj, nws yog ib qho tseem ceeb kom huv si txhua qhov sib koom ua ke ua ntej EB vuam. Ua ntej, cov roj machining thiab chips yuav tsum raug tshem tawm los ntawm ib feem uas siv cov txheej txheem alkaline ntxuav. Tom qab ntawd, passivation yuav tsum tau ua kom muaj kev tiv thaiv corrosion ntawm cov khoom. Cov txheej txheem no yuav ua ntej tshem tawm cov hlau dawb los ntawm kev sib txuas nrog lub tshuab cuab yeej lossis lwm qhov chaw uas tuaj yeem raug cuam tshuam. Nws yuav tsum raug sau tseg tias cov hlau alloyed hauv Inconel tsis tas yuav raug tshem tawm. Cov tshuaj passivation tom qab ntawd hloov "dawb" chromium rau hauv chromium oxide kom ua kom cov khoom siv tiv thaiv corrosion.
Muaj ob txoj hauv kev tseem ceeb rau kev nkag mus rau Inconel, thiab txoj kev zoo ib yam li ntawm 300 series stainless hlau. Ib qho kev xaiv yog tso rau Inconel qhov chaw hauv 25-50% nitric acid tov ntawm chav tsev kub txog li 140 degree F (60 degree) li ntawm 20-30 feeb. Cov txheej txheem soaking zoo sib xws tuaj yeem ua tau siv 10% citric acid tov ntawm qhov kub thiab txias zoo sib xws.
