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- W3148351805 abstract "The room temperature fatigue life of smooth specimens for alloy 8090 hasbeen investigated in natural ageing and artificial ageing conditions. The high temperature fa-tigue properties were also studied at 100--200℃. A parallel study was also made on tradi-tional Al alloys LC4 (artificial ageing) and LY12(natural aging)for comparison. The results showed that the artificially aged state resulted in an increase in fatigue life incomparison with the naturally aged state. As compared with the traditional high strength al-loys LC4 and LY12 both the artificially aged and naturally aged states caused a significantenhancement in fatigue life. The fatigue life reduced markedly with increasing temperature forartificially aged alloy 8090. Though high temperarure fatigue life decreased a little for natural-ly aged alloys 8090 and LY12, there was increasing during 200℃ and 150℃, respectively. The observation of fracture surface demonstrated the fatigue cracks in alloy 8090 mainlyinitiated from the metallurgical defects on surfaces and subsurfaces. It also showed that thecharacter of laminated fracture was more obvious in alloy 8090 than in tranditional alumini-um." @default.
- W3148351805 created "2021-04-13" @default.
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- W3148351805 date "1993-01-01" @default.
- W3148351805 modified "2023-09-26" @default.
- W3148351805 title "FATIGUE PROPERTIES OF AN Al-Li ALLOY" @default.
- W3148351805 hasPublicationYear "1993" @default.
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