Lub luag hauj lwm ntawm connector palladium plating
Palladium belongs rau platinum pawg hlau thiab nws cov xim yog tsaus dawb. Palladium coatings feem ntau yog siv hauv kev lag luam hluav taws xob, suav txog ntau dua 40% ntawm qhov kev thov rau palladium. Hom thib ob yog siv los ua ib qho catalyst, feem ntau yog siv hauv cov hniav nyiaj hniav kub thiab kev kho hniav.
Txoj kev loj hlob ntawm electroplated palladium yog nyob rau hauv 1855. Tam sim no, electroplated palladium account rau 8% ntawm tag nrho cov xav tau. Nws yog dav siv nyob rau hauv kev lag luam xws li computers, automotive connectors, thiab semiconductor ntim. Nyob rau hauv xyoo tas los no, tib neeg tau pom tias cov nickel txheej hauv cov hniav nyiaj hniav kub plating tuaj yeem ua rau cov tawv nqaij o, yog li es tsis txhob npib tsib xee plating, palladium plating yog hloov, uas ua rau kom noj palladium.
Tam sim no hais tias tus nqi ntawm kub tau nce sai, tus nqi ntawm cov khoom siv hluav taws xob tau nce, uas tau ua rau kev txhim kho ntawm kev siv palladium-nickel alloys los hloov cov txheej kub-plated. Lub cev lub cev ntawm palladium coatings (xws li hardness, ductility, thermal stability) yog zoo dua hard kub coatings, tab sis tus nqi qis dua hard kub. Tsis tas li ntawd, cov tsos ntawm palladium-plated txheej nyob rau hauv hniav electroplating yog silver-dawb, uas kuj yuav siv tau los hloov lub rhodium-plated txheej.
Lub palladium plating txheej yog ruaj khov nyob rau hauv high kub thiab high humidity. tuaj yeem khaws cov xim tsis hloov mus ntev. Electroplating ib txheej nyias ntawm palladium ntawm cov nyiaj tuab tuaj yeem ncua qhov nrawm ntawm cov nyiaj hloov pauv. Lub hardness ntawm palladium hlau yog tsawg, tab sis lub hardness ntawm palladium plating yog siab heev. Tsis tas li ntawd, nws muaj qhov zoo tshaj plaws weldability thiab kev sib cuag me me, yog li palladium plating feem ntau yog siv rau hauv cov khaub ncaws hnav-resistant thiab tiv tauj txheej ntawm cov khoom siv hluav taws xob.