Kedu ihe bụ njirimara nke aluminom 7055? Ebee ka etinyere ya?

Alcoa na Alcoag mepụtara ika nke afọ 1980 ma ugbu a na-enwekarị aluminom dị elu. Site na mmeghe nke 7055, Alcoja bulie emepe ọgwụgwọ ọgwụgwọ maka T77 n'otu oge.

Nnyocha a na akwụkwọ a na China nwere ike ịmalite n'etiti afọ 1990s. Ngwa ụlọ ọrụ mmepụta ihe dị ụkọ, ejikwa ya na-arụ ọrụ ụgbọ elu, dị ka anụ ọhịa, kwụ ọtọ, ọkpụkpụ dragọn, na na B777 na A380 Airbus.

Ngwa a abụghị naanị 7075. Mangenese, magnese, na ọla, nke bụkwa isi ihe mere na abụọ. Mmụba na mpaghara mannese pụtara na 7055 nwere ike corrosion iguzogide nguzogide, plastinity, na Warddọbili ma e jiri ya tụnyere 7075.

Okwesiri ikwupụta na elu anụ ahụ na elu truss nke C919 nku na-ekiri 7055.