Menene phosphate coatings

Phosphate coatings ana amfani dasu don haɓaka juriya na lalata da haɓaka fentin foda adhesion, kuma ana amfani da su a kan sassan karfe don juriya na lalata, lubricity, ko a matsayin tushe don suturar da ke gaba ko zanen. Yana aiki azaman shafi mai jujjuyawa wanda ake amfani da bayani mai tsarma na phosphoric acid da salts phosphate ta hanyar spraying ko nutsewa da kuma amsawa ta hanyar sunadarai. tare da saman ɓangaren da aka rufe don samar da wani nau'i na phosphate phosphates.
Babban nau'ikan suturar phosphate sune manganese, ƙarfe da zinc.Manganese phosphates ana amfani da su duka don juriya da lalata kuma ana amfani dasu kawai ta nutsewa. Iron phosphates yawanci ana amfani da su azaman tushe don ƙarin sutura ko zane kuma ana shafa su ta hanyar nutsewa ko ta hanyar fesa. Ana amfani da phosphates na Zinc don tabbatar da tsatsa (P&O), Layer tushe mai mai, da kuma matsayin fenti/rufi kuma ana iya shafa shi ta hanyar nutsewa ko fesa.
Rufin phosphate shine juzu'in canji a cikin bakwairal girmamawa. Yana da ƙasa da yawa fiye da yawancin karafa amma ya fi yawa fiye da sutura. Yana da abubuwan haɓakar thermal waɗanda ke tsaka-tsaki tsakanin na ƙarfe da sutura. Sakamakon shi ne cewa yadudduka na phosphate na iya daidaita canje-canje kwatsam a cikin haɓakar zafi wanda in ba haka ba zai kasance tsakanin karfe da fenti. Rubutun phosphate suna da ƙarfi kuma suna iya ɗaukar murfin. Bayan warkewa, fenti yana ƙarfafawa, yana kulle cikin ramukan phosphate. Adhesion yana haɓaka sosai.

TSAGE PHOSPHATE SPRAY TSARI

1. Haɗewar tsaftacewa da phosphating. 1.0 zuwa 1.5 minutes at 100 F zuwa 150 F.
2. Kurkura ruwa 1/2 minti
3. Kurkure chromic acid ko kurkura ruwa. Minti 1/2.