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Precipitation harde...
Precipitation hardening of Mg-Zn and Mg-Zn-RE alloys
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- Wei, L.Y. (författare)
- Luleå tekniska universitet
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- Dunlop, G.L. (författare)
- CRC for Alloy and Solidification Technology (CAST), Department of Mining and Metallurgical Engineering, The University of Queensland
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- Westengen, H. (författare)
- Norsk Hydro a.s., Research Centre Porsgrunn
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(creator_code:org_t)
- 1995
- 1995
- Engelska.
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Ingår i: Metallurgical and Materials Transactions. A. - 1073-5623 .- 1543-1940. ; 26A:7, s. 1705-1716
- Relaterad länk:
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https://urn.kb.se/re...
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visa fler...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- The age-hardening response of two cast Mg-Zn-RE alloys has been investigated and compared with that of a binary Mg-Zn alloy. The microstructures of the aged specimens were examined by analytical electron microscopy. Formation of a fine dispersion of rodlike β prime 1 precipitates is the main cause for age hardening, while extensive precipitation of disc-shaped β prime 2 coincides with the onset of overaging. Rare earth additions retard the formation of β prime 2 precipitates and thus postpone overaging. Four different orientation relationships between β prime 2 precipitates and matrix were found and explained in terms of the near-CSL model.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Materialteknik -- Annan materialteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Materials Engineering -- Other Materials Engineering (hsv//eng)
Nyckelord
- Material Mechanics
- Materialmekanik
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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