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On the hardness and...
On the hardness and elastic modulus of phases in SiC-reinforced Al composite : Role of La and Ce addition
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- Du, A. (author)
- Institute of Semi-Solid Metal Technology, China Academy of Machinery Sciences and Technology (Jiangle), No. 22 Huancheng East Road, Jiangle, Sanming, 353300, China
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- Lattanzi, Lucia (author)
- Jönköping University,JTH, Material och tillverkning
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- Jarfors, Anders E.W. 1963- (author)
- Jönköping University,JTH, Material och tillverkning
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- Zheng, J. (author)
- Institute of Semi-Solid Metal Technology, China Academy of Machinery Sciences and Technology (Jiangle), No. 22 Huancheng East Road, Jiangle, Sanming, 353300, China
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- Wang, K. (author)
- Department of Materials Processing and Control Engineering, School of Materials Science and Engineering, University of Science and Technology Beijing, Xueyuan Road No. 30, Beijing, 100083, China
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- Yu, G. (author)
- Institute of Semi-Solid Metal Technology, China Academy of Machinery Sciences and Technology (Jiangle), No. 22 Huancheng East Road, Jiangle, Sanming, 353300, China
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Institute of Semi-Solid Metal Technology, China Academy of Machinery Sciences and Technology (Jiangle), No 22 Huancheng East Road, Jiangle, Sanming, 353300, China JTH, Material och tillverkning (creator_code:org_t)
- 2021-10-21
- 2021
- English.
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In: Materials. - : MDPI. - 1996-1944. ; 14:21
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Abstract
Subject headings
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- The use of silicon carbide particles (SiCp) as reinforcement in aluminium (Al)-based composites (Al/SiCp) can offer high hardness and high stiffness. The rare-earth elements like lanthanum (La) and cerium (Ce) and transition metals like nickel (Ni) and copper (Cu) were added into the matrix to form intermetallic phases; this is one way to improve the mechanical property of the composite at elevated temperatures. The α-Al15 (Fe,Mn)3 Si2, Al20 (La,Ce)Ti2, and Al11 (La,Ce)3, π-Al8 FeMg3 Si6 phases are formed. Nanoindentation was employed to measure the hardness and elastic modulus of the phases formed in the composite alloys. The rule of mixture was used to predict the modulus of the matrix alloys. The Halpin–Tsai model was applied to calculate the elastic modulus of the particle-reinforced composites. The transition metals (Ni and Cu) and rare-earth elements (La and Ce) determined a 5–15% increase of the elastic modulus of the matrix alloy. The SiC particles increased the elastic modulus of the matrix alloy by 10–15% in composite materials.
Subject headings
- TEKNIK OCH TEKNOLOGIER -- Materialteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Materials Engineering (hsv//eng)
Keyword
- Aluminium alloys
- Cerium
- Elastic modulus
- Hardness
- Lanthanum
- Metal matrix composites
- Nanoindentation
- Rare-earth elements
- SiCp
- Transition metals
- Aluminum alloys
- Binary alloys
- Elastic moduli
- Magnesium alloys
- Metallic matrix composites
- Rare earths
- Reinforcement
- Silicon carbide
- Al composites
- Aluminum silicon carbide
- Ce addition
- Copper cu
- Hardness and elastic modulus
- High hardness
- High stiffness
- Matrix alloy
- Nano indentation
- Silicon-carbides particles
Publication and Content Type
- ref (subject category)
- art (subject category)
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