Gabaɗaya, saman da ƙarshen fuskar zobe na farko suna da chrome-plated, kuma sauran zoben piston kuma ana iya sanya su da chrome-plated. Manyan ingin dizal na ruwa ba su da chrome-plated, kuma layukan silinda suna da chrome-plated. A halin yanzu, an ƙera zoben piston ɗin da aka haɗa da chrome-ceramic composite coating, kuma gwajin ya nuna cewa yawan lalacewa bai kai rabin na zoben piston mai chrome-plated ba, kuma an rage yawan lalacewa na silinda mai dacewa.

Molybdenum fesa Layer yana da mafi kyawun juriya, kwafi da juriya ta silinda fiye da plating na chrome. Layin Silinda da aka yi da Chrome-plated karfe da zoben fistan fesa molybdenum na iya samar da ingantacciyar gogayya biyu.

Abubuwan da aka saba amfani dasu don zoben piston sune aluminum oxide, titanium oxide da chromium oxide, galibi aluminum titanate shafi.

Hanyar dasa ion yana haɗa zaɓaɓɓun abubuwan sinadarai zuwa cikin dam cikin layin silinda da saman zoben piston. Ƙwararren ion da aka yi wa allurar an haɗa shi tare da saman silinda na silinda da zoben fistan, kuma ba shi da ɗan tasiri a kan tarkacen saman da daidaiton girma. Akwai galibin filasta plating TiN diffusion Layer, saman ion plating CrN hard film, rare earth ion carburizing da sauransu. Gwaje-gwaje sun nuna cewa kashe zoben piston sannan kuma nitriding saman ions na duniya da ba kasafai ba na iya inganta juriya na zoben piston da kuma tsawaita rayuwar sabis.

Maganin lubrication na saman shine a samar da sinadari na fim ɗin ƙarfe akan saman ƙarfe, ƙarfe da kayan ƙarfe na foda don yin rawar kai. Akwai yafi tururi phosphating jiyya film samuwar da alkaline hadawan abu da iskar shaka magani film samuwar, wanda ake amfani da lamination na piston zobe da Silinda liners na kananan ciki konewa injuna. Bugu da kari, ruwa nitriding da taushi nitriding kuma iya inganta lalacewa juriya na baƙin ƙarfe liners.

Rashin juriya na juriya biyu yana shafar abubuwa iri-iri, don haka ana ƙara bi da farfajiya tare da juriya da yawa. Alal misali: wuta bayani da sulfurizing, carburizing quenching da sulfurizing, taushi nitriding da sulfurizing, nitroxide da hade da chrome plating da molybdenum spraying.