Hōʻike huahana
ʻO nā hiʻohiʻona nui a me ka hoʻohana ʻana o ke koʻokoʻo alumini 2A16: ʻO kēia ke ʻano o ka alumini paʻakikī paʻakikī, kahi i hōʻike ʻia e: ʻaʻole kiʻekiʻe ka ikaika i ka mahana maʻamau, akā loaʻa ka ikaika kiʻekiʻe i ka wela kiʻekiʻe, a ua loaʻa ka alloy. ʻO ka plasticity ikaika, ʻaʻohe hopena extrusion, hiki ke hoʻopaʻa i ka hoʻoikaika ʻana, ke kuʻi ʻana i ka wahi, ka kuʻi kuʻi ʻana, ka hana kuʻi ʻana maikaʻi, ka liʻiliʻi o ka hana ʻana i nā māwae, ka paʻa maikaʻi o ka ea o nā welds, ke kūpaʻa haʻahaʻa haʻahaʻa o nā welds, ka ʻino ʻana o nā ʻāpana aluminika. , a ʻaʻole kiʻekiʻe ke kūpaʻa corrosion o ka huahana semi-finished extruded.I mea e pale aku ai i ka corrosion, pono e hoʻohana ʻia ka mālama anodizing a i ʻole ka pena kiʻi no ka pale: maikaʻi mau ka machinability.
Hoʻohana Hoʻohana nui ia no nā ʻāpana e hana ana ma 250-350 °C, e like me nā bearings i ka compressor blades, discs, a me nā papa no ka hoʻopili ʻana i nā ʻāpana e hana ana ma ke ana wela a me ka wela kiʻekiʻe, e like me nā ipu, nā hale kūʻai airtight, etc.
ʻO ke koʻokoʻo alumini 2024 he alumini alumini paʻakikī maʻamau i ka moʻo alumini- keleawe-magnesium.Maikaʻi kona haku mele ʻana a ʻoi aku ka maikaʻi o kāna hana piha.ʻO ia ka nui o ka duralumin.ʻO ka pahu alumini 2024 no ka alumini paʻakikī ikaika, hiki ke hoʻoikaika ʻia e ka mālama wela.Loaʻa iā ia ka plasticity liʻiliʻi ma nā moku'āina i kinai ʻia a i hoʻopau wale ʻia, a maikaʻi ka wiliwili kiko.Ke hoʻohana ʻia ka hoʻoheheʻe kinoea, hiki ke hana i nā māwae intergranular.Maikaʻi ka hana ʻoki ʻana, a haʻahaʻa ka machinability ma hope o ka annealing: ʻaʻole kiʻekiʻe ka pale ʻana o ka corrosion, a hoʻohana pinepine ʻia ka mālama ʻana a me nā ʻano pena kiʻi a i ʻole ka uhi ʻia o ka ʻili me ka papa alumini e hoʻomaikaʻi ai i kona kūpaʻa corrosion.
2A16 Aluminum pahu poepoe
Ka Hui Kemika a me ka Waiwai Mekini 1060
Al | Si | Cu | Mg | Zn | Mn | Ti | Ni | Fe+Ni | Fe |
余量 | ≤0.30 | 6.00-7.00 | ≤0.05 | ≤0.10 | 0.40-0.80 | 0.10-0.20 | --- | --- | ≤0.30 |
Ikaika U'i (Mpa) | ≥355 |
ikaika hua(Mpa) | ≥235 |
EL(%) | ≥12% |
Māmā (g/cm³) | 2.68 |
Hoʻohui kemika o 2024 koʻokoʻo aluminika
Si | Fe | Cu | Mn | Mg | Cr | Zn | Ti | Al |
0.5↓ | 0.5↓ | 3.8-4.9 | 0.3-0.9 | 1.2-1.8 | 0.10↓ | 0.25↓ | 0.15↓ | 余量 |
Mechanical waiwai o 2024 alumini koʻokoʻo
Ka ikaika tensile | 0.2% ka ikaika hua | ʻO ka lōʻihi | Ka ikaika luhi | ʻoʻoleʻa |
470MPa | 325MPa | 10% | 105MPa | 120HB |