Iji mezuo ihe ndị a chọrọ nke ime akụkụ nhazi, a na-ejikarị ya eme ihe na ụlọ ọrụ iji gbakwunye ihe ndị na-emepụta ihe na ọla kọpa iji meeọla kọpa alloysna enwekwukwa Njirimara.Brass bụ ọla kọpa nwere ọla kọpa nwere zinc dị ka isi ihe na-eme ka ọ bụrụ ihe na-emepụta ihe, nke nwere ezigbo ihe eji arụ ọrụ ma dị mfe ịhazi.Ọ nwere ezigbo nguzogide corrosion na ikuku na mmiri osimiri.Dị ka ụdị ihe alloying dị n'ime ya, enwere ike kewaa ya na ọla nkịtị na ọla pụrụ iche;dị ka usoro mmepụta ihe si dị, enwere ike kewaa ya na brass na-eme ka a na-ebipụta ya na nkedo ọla.
Na ndabere nke ọla kọpa nkịtị, a na-agbakwunye ihe ndị dị ka Sn, Si, Mn, Pb, na Al iji mepụta ọla kọpa.Dabere na ihe ndị agbakwunyere, a na-akpọ ha tin brass, silicon brass, manganese brass, lead brass na aluminum brass.Nrụgide nkịtị arụpụtara akararị ọla: H+ nkezi ọdịnaya ọla kọpa.Ọmụmaatụ: H62 pụtara bras nkịtị nwere 62% ọla kọpa na nke ọzọ bụ Zn;Ihe nkedo na-agụnye ọla kọpa nkịtị na akara ọkwa ọla pụrụ iche: ZCu + akara mmewere + isi ihe ọdịnaya + akara mmewere na ihe mejupụtara ihe ndị ọzọ agbakwunyere.
Cupronickel – ọla kọpa alloy nwere nickel dị ka ihe bụ isi alloying.Ọ nwere ezigbo oyi na ọkụ na-arụ ọrụ na-arụ ọrụ, na enweghị ike iwusi ya ike site na ọgwụgwọ okpomọkụ.Enwere ike imeziwanye ya naanị site n'ịdị ike ngwọta siri ike na ịrụsi ọrụ ike.Ọkwa: B+ nickel ọdịnaya.Ihe akara Cupronickel nwere ihe karịrị yuan atọ: B + akara nke isi ihe nke abụọ agbakwunyere na ọnụ ọgụgụ nke akụrụngwa ma e wezụga isi ihe ọla kọpa.Dịka ọmụmaatụ: B30 pụtara cupronickel nwere ọdịnaya Ni nke 30%.
Oge nzipu: Jun-14-2022