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Effect of Co and Ni...
Effect of Co and Ni Addition on the Microstructure and Mechanical Properties at Room and Elevated Temperature of an Al–7%Si Alloy
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- Bogdanoff, Toni (author)
- Jönköping University,JTH, Material och tillverkning
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- Dahle, Arne K. (author)
- Jönköping University,JTH, Material och tillverkning
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- Seifeddine, Salem (author)
- Jönköping University,JTH, Material och tillverkning
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(creator_code:org_t)
- 2017-10-02
- 2018
- English.
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In: International Journal of metalcasting. - : Springer. - 1939-5981 .- 2163-3193. ; 12:3, s. 434-440
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Abstract
Subject headings
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- Increasing environmental demands are forcing the automotive industry to reduce vehicle emissions by producing more light-weight and fuel efficient vehicles. Al–Si alloys are commonly used in automotive applications because of excellent castability, high thermal conductivity, good wear properties and high strength-to-weight ratio. However, most of the aluminium alloys on the market exhibit significantly reduced strength at temperatures above 200 °C. This paper presents results of a study of the effects of Co and Ni in a hypoeutectic Al–Si alloy on microstructure and mechanical properties at room and elevated temperature. Tensile test specimens with microstructures comparable to those obtained in high-pressure die casting, i.e. SDAS ~ 10 µm, were produced by directional solidification in a Bridgman furnace. The results show an improvement in tensile properties up to 230 °C.
Subject headings
- TEKNIK OCH TEKNOLOGIER -- Materialteknik -- Metallurgi och metalliska material (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Materials Engineering -- Metallurgy and Metallic Materials (hsv//eng)
Keyword
- Al–Si alloy
- mechanical properties
- cobalt
- nickel
- elevated temperature
Publication and Content Type
- ref (subject category)
- art (subject category)
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