Ib nyiaj US yog ua los ntawm zinc nrog 20 microns tuab txheej ntawm tooj liab ntawm nws qhov chaw. Electroplating yog ib txoj kev tsim khoom uas siv cov txheej nyias ntawm cov hlau mus rau lwm qhov. … Qhov no siv kom zoo dua qhov uas peb yog plating ib yam khoom hlau uas ua hluav taws xob.
Vim li cas npib electroplated?
Cov txiaj ntsig no yog qee qhov laj thawj plating siv rau cov hlau thiab cov khoom hauv kev tsim tsheb thiab tsim cov khoom siv hluav taws xob. Tab sis qhov zoo li kev tiv thaiv corrosion, kho kom zoo nkauj, txhim kho lub zog thiab xim adhesion yog qee qhov laj thawj peb xav kom npib plating heev.
Lub hom phiaj ntawm lub lab nyiaj kub yog dab tsi?
Lub hom phiaj ntawm Penny Lab yog dab tsi? Saib seb cov khoom ntawm cov hlau tuaj yeem hloov pauv li cas.
Pob pennies muaj copper txheej?
Pennies yog ua los ntawm zinc coated nrog tooj. Tsuas yog npib tsib xee yog ib yam khoom siv-uas tib yam 75% tooj liab / 25% nickel alloy.
Vim li cas cov neeg ua phem ua phem ua qias?
Vim nce nqi ntawm npib tsib xee thiab tooj liab uas tau pib xyoo 2005, Tebchaws Meskas tau dhau txoj cai lij choj uas ua rau nws tsis raug cai rau yaj pennies thiab npib tsib xee rau lawv cov ntsiab lus hlau. … Hloov cov npib no yuav yog tus nqi loj heev rau cov neeg them se."
