Terata ea Pt-iridium ke motsoako oa binary o thehiloeng ho platinum o nang le selenium. Ke tharollo e tiileng e tsoelang pele mochesong o phahameng. Ha e pholisoa butle ho fihlela ho 975 ~ 700 ºC, ho bola ha mohato o tiileng hoa etsahala, empa ts'ebetso ea ho leka-lekana ha mohato e tsoela pele butle haholo. E ka ntlafatsa haholo khanyetso ea ho bola ha platinum ka lebaka la ho feto-fetoha ha eona habonolo le ho oxidation. Ho na le li-alloy tsa Ptlr10, Ptlr20, Ptlr25, Ptlr30 le tse ling, tse nang le bothata bo phahameng le ntlha e phahameng ea ho qhibiliha, khanyetso e phahameng ea ho bola le khanyetso e tlase ea ho kopana, sekhahla sa k'hemik'hale sa ho bola ke 58% ea platinum e hloekileng, 'me tahlehelo ea boima ba oxidation ke 2.8mg/g. Ke thepa ea khale ea ho kopana le motlakase. E sebelisoa bakeng sa ho hohela haholo lienjine tsa aero, ho hokahanngoa ha motlakase ha li-relay tse nang le kutlo e phahameng le li-motor tsa Wei; li-potentiometer le li-brashe tsa lesale tse tsamaisang motlakase tsa li-sensor tse nepahetseng tse kang lifofane, limisaele le li-gyroscopes

E sebelisoa haholo limela tsa lik'hemik'hale, li-filament, li-spark plugs