1/20 nke nha nke helipad ahụ

Anyị bụ ụlọ ọrụ mmepụta ihe nhazi aluminom ọkachamara, na-enye ngwọta aluminom n'otu nkwụsị: Ike nke aluminom dị ọcha dị ala, mana site na ịgbakwunye ihe ndị na-agwakọta ihe, ike na plasticity ya nwere ike imeziwanye nke ukwuu, enwere ike ịmepụta ọtụtụ alloy aluminom, dị ka aluminom siri ike, aluminom siri ike nke ukwuu, aluminom na-anaghị agba nchara na aluminom a kpụrụ akpụ. Aluminom na alloy ya nwere ezigbo iguzogide nchara, karịsịa ihe nkiri oxide dị n'elu ya, nke na-anaghị agba nchara naanị, kamakwa nwere ụfọdụ mkpuchi. N'ihi ike dị elu ya, obere njupụta na ezigbo iguzogide nchara, a na-eji alloy aluminom eme ihe n'ịmepụta ụgbọ ala ikuku dị ka ụgbọelu na rọketi.

Anyị bụ ụlọ ọrụ mmepụta ihe nhazi aluminom ọkachamara, na-enye ngwọta aluminom n'otu nkwụsị: ike nke aluminom dị ọcha dị ala, mana site na ịgbakwunye ihe ndị na-agwakọta ihe, ike na plasticity ya nwere ike imeziwanye nke ukwuu, enwere ike ịmepụta ọtụtụ alloy aluminom, dị ka aluminom siri ike, aluminom siri ike nke ukwuu, aluminom na-anaghị agba nchara na aluminom a kpụrụ akpụ. Aluminom na alloy ya nwere ezigbo iguzogide nchara, karịsịa ihe nkiri oxide dị n'elu ya, nke na-anaghị agba nchara naanị, kamakwa nwere ụfọdụ mkpuchi. N'ihi ike dị elu ya, obere njupụta na ezigbo iguzogide nchara, a na-eji aluminom alloy eme ihe n'ịmepụta ụgbọ ala ikuku dị ka ụgbọelu na rọketi.