Microstructure and mechanical properties of 6061 Al alloy based composites with SiC nanoparticles

Research output: Contribution to journalArticlepeer-review

Standard

Microstructure and mechanical properties of 6061 Al alloy based composites with SiC nanoparticles. / Knowles, A. J.; Jiang, X.; Galano, M.; Audebert, F.

In: Journal of Alloys and Compounds, Vol. 615, No. S1, 05.12.2014, p. S401-S405.

Research output: Contribution to journalArticlepeer-review

Harvard

APA

Vancouver

Author

Bibtex

@article{d55447b3446f4db9b454f9447f48f957,
title = "Microstructure and mechanical properties of 6061 Al alloy based composites with SiC nanoparticles",
abstract = "Materials with high specific strengths as well as damage tolerance are of great importance for automotive and aerospace applications. Ceramic reinforced metal matrix composites (MMCs) show good potential for these uses but have been hampered by insufficient ductility and production issues, both of which this work looks to resolve. Nanoparticle reinforced 6061 aluminium alloy matrix composites have been produced by a powder metallurgy route and shown to exhibit high strength and Young's modulus alongside good ductility and low density. A powder metallurgy route consisting of high energy ball milling, hot isostatic pressing (HIP) and extrusion has proved a highly effective process for achieving a homogeneous distribution of particles, with minimal clustering of the nanoparticles, at an industrially relevant scale. After heat treatment the composites display high strengths, owing to SiC nanoparticle reinforcement as well as the age hardening effect. The remarkable feature of nanoparticle reinforced MMCs compared to micron size reinforcements is that particle fracture does not occur and effective particle-matrix bonding can be taking place, resulting in a greater combination of strength and toughness. The combination of properties achieved by the composites studied in this work are superior to most of the micron sized particle reinforced MMCs reported elsewhere and are well beyond what is possible with traditional aluminium alloys.",
keywords = "Al alloys, Mechanical properties, Metal matrix composites, Powder metallurgy",
author = "Knowles, {A. J.} and X. Jiang and M. Galano and F. Audebert",
year = "2014",
month = dec,
day = "5",
doi = "10.1016/j.jallcom.2014.01.134",
language = "English",
volume = "615",
pages = "S401--S405",
journal = "Journal of Alloys and Compounds",
issn = "0925-8388",
publisher = "Elsevier",
number = "S1",

}

RIS

TY - JOUR

T1 - Microstructure and mechanical properties of 6061 Al alloy based composites with SiC nanoparticles

AU - Knowles, A. J.

AU - Jiang, X.

AU - Galano, M.

AU - Audebert, F.

PY - 2014/12/5

Y1 - 2014/12/5

N2 - Materials with high specific strengths as well as damage tolerance are of great importance for automotive and aerospace applications. Ceramic reinforced metal matrix composites (MMCs) show good potential for these uses but have been hampered by insufficient ductility and production issues, both of which this work looks to resolve. Nanoparticle reinforced 6061 aluminium alloy matrix composites have been produced by a powder metallurgy route and shown to exhibit high strength and Young's modulus alongside good ductility and low density. A powder metallurgy route consisting of high energy ball milling, hot isostatic pressing (HIP) and extrusion has proved a highly effective process for achieving a homogeneous distribution of particles, with minimal clustering of the nanoparticles, at an industrially relevant scale. After heat treatment the composites display high strengths, owing to SiC nanoparticle reinforcement as well as the age hardening effect. The remarkable feature of nanoparticle reinforced MMCs compared to micron size reinforcements is that particle fracture does not occur and effective particle-matrix bonding can be taking place, resulting in a greater combination of strength and toughness. The combination of properties achieved by the composites studied in this work are superior to most of the micron sized particle reinforced MMCs reported elsewhere and are well beyond what is possible with traditional aluminium alloys.

AB - Materials with high specific strengths as well as damage tolerance are of great importance for automotive and aerospace applications. Ceramic reinforced metal matrix composites (MMCs) show good potential for these uses but have been hampered by insufficient ductility and production issues, both of which this work looks to resolve. Nanoparticle reinforced 6061 aluminium alloy matrix composites have been produced by a powder metallurgy route and shown to exhibit high strength and Young's modulus alongside good ductility and low density. A powder metallurgy route consisting of high energy ball milling, hot isostatic pressing (HIP) and extrusion has proved a highly effective process for achieving a homogeneous distribution of particles, with minimal clustering of the nanoparticles, at an industrially relevant scale. After heat treatment the composites display high strengths, owing to SiC nanoparticle reinforcement as well as the age hardening effect. The remarkable feature of nanoparticle reinforced MMCs compared to micron size reinforcements is that particle fracture does not occur and effective particle-matrix bonding can be taking place, resulting in a greater combination of strength and toughness. The combination of properties achieved by the composites studied in this work are superior to most of the micron sized particle reinforced MMCs reported elsewhere and are well beyond what is possible with traditional aluminium alloys.

KW - Al alloys

KW - Mechanical properties

KW - Metal matrix composites

KW - Powder metallurgy

UR - http://www.scopus.com/inward/record.url?scp=84907502453&partnerID=8YFLogxK

U2 - 10.1016/j.jallcom.2014.01.134

DO - 10.1016/j.jallcom.2014.01.134

M3 - Article

AN - SCOPUS:84907502453

VL - 615

SP - S401-S405

JO - Journal of Alloys and Compounds

JF - Journal of Alloys and Compounds

SN - 0925-8388

IS - S1

ER -