Aluminium tuag-casting qhov chaw khaws cia rau lub sijhawm ntev tsis muaj lwm yam teeb meem, tab sis qhov saum npoo zoo li mildewed. Qhov no tsis zoo li cuam tshuam rau kev siv ib txwm siv ntawm txhuas tuag-casting qhov chaw, tab sis yog tias nws tsis daws sai li sai tau, nws yuav yog aluminium die-casting qhov chaw. Qhov saum npoo zoo thiab kev ua haujlwm raug txo qis.
Qhov teeb meem mildew ntawm txhuas tuag-casting qhov chaw yog ncaj qha ntsig txog qhov chaw cia khoom. Qhov kub thiab av noo nyob rau hauv qhov chaw cia khoom yuav tsum yog qhov qub rau pwm loj hlob. Los yog vim yog aluminium tuag casting nws tus kheej, thaum qee cov khoom tshwj xeeb sib xyaw rau ntawm nws qhov chaw, nws yuav cia li nqus dej noo rau hauv huab cua los tsim cov tshuaj tiv thaiv galvanic corrosion, tsim kom muaj ib puag ncig tsim rau pwm loj hlob.
Vim yog cov tshuaj tiv thaiv corrosion ntawm galvanic roj teeb, alkaline tebchaw yuav precipitate rau saum npoo ntawm txhuas tuag-casting. Thaum deliquesced ntawm qhov tsim nyog kub thiab av noo, qhov saum npoo yuav loj tuaj pwm. Tsis tas li ntawd, yog tias muaj roj, cov nroj tsuag fibers thiab lwm yam khoom nyob rau saum npoo ntawm txhuas tuag castings, nws tseem yuav muab cov kev mob zoo rau kev tsim pwm.
Yuav kom daws tau qhov teeb meem ntawm mildew nyob rau saum npoo ntawm txhuas tuag castings, ua ntej ntawm tag nrho cov, tsis txhob siv refining deterioration slagging agents uas muaj sodium los yog magnesium ntsev, tab sis es tsis txhob siv refining deterioration agents nrog NaF Cheebtsam. Nyob rau tib lub sijhawm, zam kev siv cov tshuaj tso tawm uas muaj cov nroj tsuag fibers thiab ua cov kua dej uas muaj cov nroj tsuag fibers.
Sim tsis txhob khaws cov txheej txheem txhuas tuag-casting qhov chaw nyob rau hauv qhov qhib cua rau lub sijhawm ntev, kom tsis txhob muaj plua plav paug rau saum npoo, thiab tseem kom tsis txhob muaj kev phom sij los ntawm ib puag ncig. Yog tias koj xav khaws cia, koj yuav tsum tau siv cov ntsuas dej kom txo tau cov kab mob mildew.