Kuvura hejuru ya casting: isahani ya chrome, isahani ya nikel, isahani ya zinc, ni irihe tandukaniro?

Ku bijyanye na electroplating, dukeneye kubanza kumva icyo aricyo. Muri make, amashanyarazi ni inzira yo gukoresha ihame rya electrolysis kugirango ushyire urwego ruto rwibindi byuma cyangwa ibishishwa hejuru yicyuma.

Ibi ntabwo bigamije kugaragara, ariko cyane cyane, birashobora gukumira okiside ningese, mugihe bizamura imyambarire yubuso, ubwikorezi, hamwe no kurwanya ruswa. Birumvikana, isura nayo irashobora kunozwa.

Hariho ubwoko bwinshi bwa electroplating, harimo isahani y'umuringa, isahani ya zahabu, isahani ya feza, isahani ya chrome, isahani ya nikel, hamwe na zinc. Mu nganda zikora inganda, isahani ya zinc, isahani ya nikel, hamwe na chrome isahani ikoreshwa cyane. Ni irihe tandukaniro riri hagati yabo uko ari batatu? Reka turebe umwe umwe.

Isahani

Isahani ya Zinc ni inzira yo gutwikira igice cya zinc hejuru yicyuma cyangwa ibindi bikoresho, cyane cyane mukurinda ingese nintego nziza.

Ibiranga ni igiciro gito, irwanya ruswa neza, hamwe na silver yera.

Bikunze gukoreshwa kubiciro byoroshye kandi birwanya ingese nka screw, imashini zangiza, nibicuruzwa byinganda.

Isahani ya Nickel

Isahani ya Nickel ninzira yo gushira urwego rwa nikel hejuru hifashishijwe electrolysis cyangwa uburyo bwa chimique.

Ibiranga ni uko ifite isura nziza, irashobora gukoreshwa mugushushanya, ubukorikori buragoye gato, igiciro nacyo kiri hejuru cyane, kandi ibara ryera ni ifeza yera ifite ibara ry'umuhondo.

Uzabibona kumutwe wamatara azigama ingufu, ibiceri, nibikoresho bimwe.

Isahani ya Chrome

Isahani ya Chrome ninzira yo kubitsa urwego rwa chromium hejuru. Chrome ubwayo nicyuma cyera cyera gifite ubururu.

Isahani ya Chrome igabanijwemo ubwoko bubiri: imwe irimbisha, ifite isura nziza, irwanya imyambarire, hamwe no kwirinda ingese mbi cyane kuruta isahani ya zinc ariko iruta okiside isanzwe; Ibindi birakora, hagamijwe kongera ubukana no kwambara birwanya ibice.

Imitako irabagirana ku bikoresho byo mu rugo n'ibicuruzwa bya elegitoroniki, hamwe n'ibikoresho na robine, akenshi bikoresha plaque ya chrome.

Itandukaniro ryibanze muri bitatu

Isahani ya Chrome ikoreshwa cyane cyane mu kongera ubukana, ubwiza, no kwirinda ingese. Imiti yimiti ya chromium irahagaze kandi ntishobora kwitwara muri alkali, acide nitric, na acide nyinshi kama, ariko irumva aside hydrochloric na acide sulfurike ishyushye. Ntabwo ihindura ibara, ifite ubushobozi burambye bwo kwerekana, kandi irakomeye kuruta ifeza na nikel. Inzira isanzwe ikora amashanyarazi.

Isahani ya Nickel yibanda ku kurwanya kwambara, kurwanya ruswa, no kwirinda ingese, kandi muri rusange igifuniko ni gito. Hariho ubwoko bubiri bwibikorwa: electroplating na chimie.

Niba rero ingengo yimari idahwitse, guhitamo zinc byanze bikunze guhitamo neza; Niba ukurikirana imikorere myiza nigaragara, ugomba gutekereza kuri nikel cyangwa isahani ya chrome. Mu buryo nk'ubwo, kumanika isahani mubisanzwe bihenze kuruta kuzunguruka muburyo bwo gukora.