On the Hardness and Elastic Modulus of Phases in SiC-Reinforced Al Composite: Role of La and Ce Addition

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...

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Autores principales:	Andong Du, Lucia Lattanzi, Anders Wollmar Eric Jarfors, Jinchuan Zheng, Kaikun Wang, Gegang Yu
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	metal matrix composites aluminium alloys SiCp nanoindentation lanthanum cerium Technology T Electrical engineering. Electronics. Nuclear engineering TK1-9971 Engineering (General). Civil engineering (General) TA1-2040 Microscopy QH201-278.5 Descriptive and experimental mechanics QC120-168.85
Acceso en línea:	https://doaj.org/article/c11bebb9025042ab99027eba5923dbe5
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spelling	oai:doaj.org-article:c11bebb9025042ab99027eba5923dbe52021-11-11T17:51:40ZOn the Hardness and Elastic Modulus of Phases in SiC-Reinforced Al Composite: Role of La and Ce Addition10.3390/ma142162871996-1944https://doaj.org/article/c11bebb9025042ab99027eba5923dbe52021-10-01T00:00:00Zhttps://www.mdpi.com/1996-1944/14/21/6287https://doaj.org/toc/1996-1944The 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-Al<sub>15</sub>(Fe,Mn)<sub>3</sub>Si<sub>2</sub>, Al<sub>20</sub>(La,Ce)Ti<sub>2</sub>, and Al<sub>11</sub>(La,Ce)<sub>3</sub>, π-Al<sub>8</sub>FeMg<sub>3</sub>Si<sub>6</sub> 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.Andong DuLucia LattanziAnders Wollmar Eric JarforsJinchuan ZhengKaikun WangGegang YuMDPI AGarticlemetal matrix compositesaluminium alloysSiCpnanoindentationlanthanumceriumTechnologyTElectrical engineering. Electronics. Nuclear engineeringTK1-9971Engineering (General). Civil engineering (General)TA1-2040MicroscopyQH201-278.5Descriptive and experimental mechanicsQC120-168.85ENMaterials, Vol 14, Iss 6287, p 6287 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	metal matrix composites aluminium alloys SiCp nanoindentation lanthanum cerium Technology T Electrical engineering. Electronics. Nuclear engineering TK1-9971 Engineering (General). Civil engineering (General) TA1-2040 Microscopy QH201-278.5 Descriptive and experimental mechanics QC120-168.85
spellingShingle	metal matrix composites aluminium alloys SiCp nanoindentation lanthanum cerium Technology T Electrical engineering. Electronics. Nuclear engineering TK1-9971 Engineering (General). Civil engineering (General) TA1-2040 Microscopy QH201-278.5 Descriptive and experimental mechanics QC120-168.85 Andong Du Lucia Lattanzi Anders Wollmar Eric Jarfors Jinchuan Zheng Kaikun Wang Gegang Yu On the Hardness and Elastic Modulus of Phases in SiC-Reinforced Al Composite: Role of La and Ce Addition
description	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-Al<sub>15</sub>(Fe,Mn)<sub>3</sub>Si<sub>2</sub>, Al<sub>20</sub>(La,Ce)Ti<sub>2</sub>, and Al<sub>11</sub>(La,Ce)<sub>3</sub>, π-Al<sub>8</sub>FeMg<sub>3</sub>Si<sub>6</sub> 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.
format	article
author	Andong Du Lucia Lattanzi Anders Wollmar Eric Jarfors Jinchuan Zheng Kaikun Wang Gegang Yu
author_facet	Andong Du Lucia Lattanzi Anders Wollmar Eric Jarfors Jinchuan Zheng Kaikun Wang Gegang Yu
author_sort	Andong Du
title	On the Hardness and Elastic Modulus of Phases in SiC-Reinforced Al Composite: Role of La and Ce Addition
title_short	On the Hardness and Elastic Modulus of Phases in SiC-Reinforced Al Composite: Role of La and Ce Addition
title_full	On the Hardness and Elastic Modulus of Phases in SiC-Reinforced Al Composite: Role of La and Ce Addition
title_fullStr	On the Hardness and Elastic Modulus of Phases in SiC-Reinforced Al Composite: Role of La and Ce Addition
title_full_unstemmed	On the Hardness and Elastic Modulus of Phases in SiC-Reinforced Al Composite: Role of La and Ce Addition
title_sort	on the hardness and elastic modulus of phases in sic-reinforced al composite: role of la and ce addition
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/c11bebb9025042ab99027eba5923dbe5
work_keys_str_mv	AT andongdu onthehardnessandelasticmodulusofphasesinsicreinforcedalcompositeroleoflaandceaddition AT lucialattanzi onthehardnessandelasticmodulusofphasesinsicreinforcedalcompositeroleoflaandceaddition AT anderswollmarericjarfors onthehardnessandelasticmodulusofphasesinsicreinforcedalcompositeroleoflaandceaddition AT jinchuanzheng onthehardnessandelasticmodulusofphasesinsicreinforcedalcompositeroleoflaandceaddition AT kaikunwang onthehardnessandelasticmodulusofphasesinsicreinforcedalcompositeroleoflaandceaddition AT gegangyu onthehardnessandelasticmodulusofphasesinsicreinforcedalcompositeroleoflaandceaddition
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On the Hardness and Elastic Modulus of Phases in SiC-Reinforced Al Composite: Role of La and Ce Addition

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