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- W3170923245 endingPage "879" @default.
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- W3170923245 abstract "In recent years, many efforts have been devoted to the development of innovative Al-based casting alloys with improved high temperature strength. Research is often oriented to the investigation of the effects of minor element additions to widely diffused casting alloys. The present study focuses on Al-7Si-0.4Mg (A356) alloy with small additions of Er and Zr. Following previous scientific works on the optimization of heat treatment and on tensile strength, creep tests were carried out at 300 °C under applied stress of 30 MPa, a reference condition for creep characterization of innovative high-temperature Al alloys. The alloys containing both Er and Zr displayed a lower minimum creep strain rate and a longer time to rupture. Fractographic and microstructural analyses on crept and aged specimens were performed to understand the role played by eutectic silicon, by the coarse intermetallics and by α-Al matrix ductility. The creep behavior in tension of the three alloys has been discussed by comparing them to tension and compression creep curves available in the literature for Al-7Si-0.4Mg improved by minor elemental additions." @default.
- W3170923245 created "2021-06-22" @default.
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- W3170923245 date "2021-05-28" @default.
- W3170923245 modified "2023-09-25" @default.
- W3170923245 title "High Temperature Behavior of Al-7Si-0.4Mg Alloy with Er and Zr Additions" @default.
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- W3170923245 doi "https://doi.org/10.3390/met11060879" @default.
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