Tensile and energy density properties of 2024, 6013, 8090 and 2091 aircraft aluminum alloy after corrosion exposure
Evaluation was made for the corrosion susceptibility of aircraft structure aluminum alloys 2024 T351, 6013 T6, 8090 T81 and 2091 T84. Tensile and energy density data were obtained. Stereoscopic and metallographic corrosion analysis were made as well. The specimens were pre-corroded using accelerated...
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| Veröffentlicht in: | Theoretical and applied fracture mechanics 2000-05, Vol.33 (2), p.117-134 |
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| container_title | Theoretical and applied fracture mechanics |
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| creator | Pantelakis, Sp.G. Daglaras, P.G. Apostolopoulos, Ch.Alk |
| description | Evaluation was made for the corrosion susceptibility of aircraft structure aluminum alloys 2024 T351, 6013 T6, 8090 T81 and 2091 T84. Tensile and energy density data were obtained. Stereoscopic and metallographic corrosion analysis were made as well. The specimens were pre-corroded using accelerated laboratory corrosion tests or out-door atmospheric conditions before testing. Noticeable decrease of yield and ultimate tensile stress were detected when the specimen surface was corroded. Dramatic volumetric embrittlement was observed even after short exposure times that were not sufficient for the appreciable development of surface corrosion attack. Observed material degradation behavior is attributed to hydrogen penetration and absorption. |
| doi_str_mv | 10.1016/S0167-8442(00)00007-0 |
| format | Article |
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| identifier | ISSN: 0167-8442 |
| ispartof | Theoretical and applied fracture mechanics, 2000-05, Vol.33 (2), p.117-134 |
| issn | 0167-8442 1872-7638 |
| language | eng |
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| source | ScienceDirect Journals (5 years ago - present) |
| subjects | Cross-disciplinary physics: materials science rheology Exact sciences and technology Fatigue, corrosion fatigue, embrittlement, cracking, fracture and failure Fatigue, embrittlement, and fracture Materials science Physics Treatment of materials and its effects on microstructure and properties |
| title | Tensile and energy density properties of 2024, 6013, 8090 and 2091 aircraft aluminum alloy after corrosion exposure |
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