Qhov noble alloy yog dab tsi?
Qhov noble alloy yog dab tsi?

Video: Qhov noble alloy yog dab tsi?

Video: Qhov noble alloy yog dab tsi?
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Noble alloys hauv kev kho hniav. Noble hlau siv rau kev kho hniav castings tseem muaj alloys kub, palladium, thiab nyiaj (tsis yog a ua nom hlau), nrog me me ntawm iridium, ruthenium, thiab platinum. Feem ntau yog siv los ua cov thaub qab rau ceramic ci, nrog rau qhov seem siv ua inlays, onlays, thiab unveneered crowns.

Ib yam li ntawd ib tug yuav nug, uas yog cov noble hlau?

Cov npe luv luv ntawm cov tshuaj muaj txiaj ntsig zoo (cov ntsiab lus uas yuav luag txhua tus kws tshuaj pom zoo) suav nrog ruthenium (Rau), rhodium (Rh), palladium (Pd), nyiaj (Ag), osmium (Os), iridium (Ir), platinum (Pt), thiab kub (Au).

Kuj Paub, yog vim li cas kub yog ib tug noble hlau? Cov cov hlau noble yog ib pab pawg hlau uas tiv thaiv oxidation thiab corrosion hauv huab cua noo. Cov cov hlau noble tsis yooj yim tawm tsam los ntawm acids. Platinum thiab kub yaj hauv cov kua qaub aqua regia. Ntawm qhov tod tes, tsis yog txhua yam corrosion-resistant hlau raug suav hais tias yog cov hlau noble.

Ua raws li qhov no hauv kev txiav txim siab, dab tsi yog 9 cov hlau zoo?

  • Ruthenium.
  • Rhodium.
  • Palladium.
  • Nyiaj.
  • Osmium.
  • Iridium.
  • Platinum.
  • Kub.

Peb cov hlau noble siv hauv kev kho hniav yog dab tsi?

Peb cov hlau noble siv hauv kev kho hniav yog kub , platinum , thiab palladium.

Pom zoo: