Mpempe akwụkwọ Aluminom 7075
Mpempe akwụkwọ nke alumiy 7075 bụ onye otu pụtara ìhè nke usoro 7xxx ma nọgide na ntọala dị n'etiti ike alloys kachasị elu dị. Zinc bụ ihe na-enye ihe na-enye ikike na-enye ya ike dị ka ígwè. Iwe T651 nwere ike ike ọgwụgwụ ike ike, ma ọ bụ ma ọ bụ mma ma na-agbaso nkwado na Corrionion. Alloy 7075 na iwe T7X51 nwere nrụgide kachasị mma na-eguzogide ma dochie alloy 2xxx na ngwa dị oke egwu.
Aluminom alloy nke 7075 bụ otu n'ime almum aluminom siri ike dị, na-eme ka ọ baa uru n'ọnọdụ ndị siri ike. Ike elu ya ike (> 500 MPA) na njupụta ya dị ala na-eme ka ihe dị mma maka ngwa dị ka akụkụ ụgbọelu ma ọ bụ akụkụ dị iche iche na-eyi egwu. Ọ bụ ezie na ọ dị obere na-eguzogide ọgwụ karịa alloys ndị ọzọ (dịka allunomin alloy, nke a na-eguzogide ọgwụ na corrosion), ike ya karịa na-egosi na ha nwere nsogbu.
Igwe mmegide nke T73 na T7351 na-eme ihe ngosi ezi uche dị na ya maka 2024, 2014 na 2017 n'ọtụtụ ngwa ngwa. T6 na T651 nwere ezigbo ma ọ bụ ezigbo mma. Alloy 7075 bụ nke eji ụgbọ elu na ọrụ ụgbọ elu na-akwụ ụgwọ n'ihi ike ya kachasị elu.
| Ihe mejupụtara kemịkal wt (%) | |||||||||
| Silicon | Igwe | Kopa | Magnesium | Manganese | Chromium | Zink | Tibanium | Ndi ozo | Aluminom |
| 0.4 | 0.5 | 1.2 ~ 2 | 2.1 ~ 2.9 | 0. | 0.18 ~ 0.28 | 5.1 ~ 5.6 | 0.2 | 0.05 | Itule |
| Ngwongwo ndi oru | ||||
| Obioku | Okpurukpu (mm) | Ike ọdụdọ (MPA) | Runnwe ike (MPA) | Elongation (%) |
| T6 | 1 ~ 3.2 | 540 | 470 | 8 |
| T6 | 3.2 ~ 6.3 | 540 | 475 | 8 |
| T651 | 6.3 ~ 12.5 | 540 | 460 | 9 |
| T651 | 25 ~ 50 | 530 | 460 | --- |
| T651 | 60 ~ 80 | 495 | 420 | --- |
| T651 | 90 ~ 100 | 460 | 370 | --- |
Ngwa
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