Hoʻoikaika ʻia ka wela, ʻoi aku ka paʻakikī o ka hopena, ʻaʻole hiki ke maʻalahi i ka nele. ʻO ka thermoplastic maikaʻi loa, ka hoʻokuʻu ʻana i ka wikiwiki i loko o kahi ʻano paʻakikī, nā ʻaoʻao ʻeleʻele ʻeleʻele, nā ʻaoʻao ʻokoʻa o nā ʻano like ʻole, a i ʻole nā ​​mea hoʻoheheʻe ʻia i loko o nā hale paʻakikī. ʻO ka pae wela Quenching, haʻahaʻa quench sensitivity, ma hope o ka extrusion a me ka hoʻokuʻu forging, ʻoiai ʻoi aku ka kiʻekiʻe o ka mahana ma mua o ka mahana quenching, hiki iā ʻoe ke hoʻohana i ka wai a i ʻole ma o ke ʻano hoʻopau wai. Hiki i nā ʻāpana pā lahilahi ke hoʻokō i ka hoʻopau ʻana i ka ea. Weldability a me ka maikaʻi corrosion kū'ē,ʻaʻohe stress corrosion māwae māwae, i ka wela lāʻau hiki ke hoʻoikaika 'ia i loko o ka alumini alumini, Al-Mg-Si ma muli o ka hoʻoheheʻeʻiaʻaʻole i ka stress corrosion māhā i loaʻa i ka hao. Maʻalahi loa ka ʻili i hana ʻia a maʻalahi i ka anodizing a me ke kala. ʻO ka hemahema ʻo ia ma hope o ke kinai ʻana, inā hoʻopaʻa ʻia no kekahi manawa ma kahi mahana o ka lumi i kahi hopena maikaʻi ʻole i ka ʻelemakule (ka hopena paʻa) loaʻa ka ikaika. Mai ke kaʻina huki ʻana i nā hiʻohiʻona a me ke kumu thermodynamic he paʻakikī ke pale aku i ka hoʻoheheʻe ʻana o ka hydrogen (ke kiʻekiʻe ka wela o ka wai wai i loko o ka hydrogen a me ka oxygen i ka lewa), ʻoiai ʻo nā mea hana ʻoihana ʻē aʻe nā hana maikaʻi loa e hoʻopau i ka waihona hydrogen wai alumini, akā paʻakikī loa ka loaʻa ʻana. ʻo ka nui o ka hydrogen ka emi ma mua o nā koi ʻenehana kiʻekiʻe 0.15cc / 100g o. Eia kekahi, no ka mea, ʻo ke ʻano extrusion ka extrusion anu, a he liʻiliʻi ke kaomi, ʻaʻohe pauku a me nā kaʻina hana ʻē aʻe, hiki ke alakaʻi maʻalahi nā paipu kukui pololei i ka pilikia bubble.