Microstructure and tensile properties of Si3N4p/2024Al composite fabricated by pressure infiltration method

Ziyang Xiu; Wenshu Yang; Guoqing Chen; Longtao Jiang; Kang Ma; Gaohui Wu

doi:10.1016/j.matdes.2011.03.001

Microstructure and tensile properties of Si3N4p/2024Al composite fabricated by pressure infiltration method

Ziyang Xiu^*
, Wenshu Yang
, Guoqing Chen
, Longtao Jiang
, Kang Ma
, Gaohui Wu

^*Corresponding author for this work

School of Materials Science and Engineering

Harbin Institute of Technology

Research output: Contribution to journal › Article › peer-review

59 Scopus citations

Abstract

2024Al matrix composite reinforced with 45vol.% Si₃N₄ particles (Si₃N_4p/2024 composite) with average particle size of 1.5μm was fabricated by pressure infiltration method. The tensile behaviour and microstructure of Si₃N_4p/2024 composite were investigated. β-Si₃N₄ was the main reinforcement, while α-Si₃N₄ and few large Si particles were also observed in composite. Few aligned linear dislocations were observed in Si₃N₄ particles due to internal and thermal stresses. MgAl₂O₄ was observed at Si₃N₄-Al interface. Fracture of Si₃N_4p/2024Al composite was characterized by brittle fracture, indicating strong Si₃N₄-Al interfacial bonding. Dislocation density in Si₃N₄ particles and Al matrix increased after tensile testing.

Original language	English
Pages (from-to)	350-355
Number of pages	6
Journal	Materials and Design
Volume	33
Issue number	1
DOIs	https://doi.org/10.1016/j.matdes.2011.03.001
State	Published - Jan 2012

Keywords

Mechanical
Metal matrix composite
Microstructure

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10.1016/j.matdes.2011.03.001

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@article{6476f933b2d54048a71e331d3f39c54c,

title = "Microstructure and tensile properties of Si3N4p/2024Al composite fabricated by pressure infiltration method",

abstract = "2024Al matrix composite reinforced with 45vol.\% Si3N4 particles (Si3N4p/2024 composite) with average particle size of 1.5μm was fabricated by pressure infiltration method. The tensile behaviour and microstructure of Si3N4p/2024 composite were investigated. β-Si3N4 was the main reinforcement, while α-Si3N4 and few large Si particles were also observed in composite. Few aligned linear dislocations were observed in Si3N4 particles due to internal and thermal stresses. MgAl2O4 was observed at Si3N4-Al interface. Fracture of Si3N4p/2024Al composite was characterized by brittle fracture, indicating strong Si3N4-Al interfacial bonding. Dislocation density in Si3N4 particles and Al matrix increased after tensile testing.",

keywords = "Mechanical, Metal matrix composite, Microstructure",

author = "Ziyang Xiu and Wenshu Yang and Guoqing Chen and Longtao Jiang and Kang Ma and Gaohui Wu",

year = "2012",

month = jan,

doi = "10.1016/j.matdes.2011.03.001",

language = "英语",

volume = "33",

pages = "350--355",

journal = "Materials and Design",

issn = "0264-1275",

publisher = "Elsevier B.V.",

number = "1",

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TY - JOUR

T1 - Microstructure and tensile properties of Si3N4p/2024Al composite fabricated by pressure infiltration method

AU - Xiu, Ziyang

AU - Yang, Wenshu

AU - Chen, Guoqing

AU - Jiang, Longtao

AU - Ma, Kang

AU - Wu, Gaohui

PY - 2012/1

Y1 - 2012/1

N2 - 2024Al matrix composite reinforced with 45vol.% Si3N4 particles (Si3N4p/2024 composite) with average particle size of 1.5μm was fabricated by pressure infiltration method. The tensile behaviour and microstructure of Si3N4p/2024 composite were investigated. β-Si3N4 was the main reinforcement, while α-Si3N4 and few large Si particles were also observed in composite. Few aligned linear dislocations were observed in Si3N4 particles due to internal and thermal stresses. MgAl2O4 was observed at Si3N4-Al interface. Fracture of Si3N4p/2024Al composite was characterized by brittle fracture, indicating strong Si3N4-Al interfacial bonding. Dislocation density in Si3N4 particles and Al matrix increased after tensile testing.

AB - 2024Al matrix composite reinforced with 45vol.% Si3N4 particles (Si3N4p/2024 composite) with average particle size of 1.5μm was fabricated by pressure infiltration method. The tensile behaviour and microstructure of Si3N4p/2024 composite were investigated. β-Si3N4 was the main reinforcement, while α-Si3N4 and few large Si particles were also observed in composite. Few aligned linear dislocations were observed in Si3N4 particles due to internal and thermal stresses. MgAl2O4 was observed at Si3N4-Al interface. Fracture of Si3N4p/2024Al composite was characterized by brittle fracture, indicating strong Si3N4-Al interfacial bonding. Dislocation density in Si3N4 particles and Al matrix increased after tensile testing.

KW - Mechanical

KW - Metal matrix composite

KW - Microstructure

UR - https://www.scopus.com/pages/publications/80053960588

U2 - 10.1016/j.matdes.2011.03.001

DO - 10.1016/j.matdes.2011.03.001

M3 - 文章

AN - SCOPUS:80053960588

SN - 0264-1275

VL - 33

SP - 350

EP - 355

JO - Materials and Design

JF - Materials and Design

IS - 1

ER -

Microstructure and tensile properties of Si3N4p/2024Al composite fabricated by pressure infiltration method

Abstract

Keywords

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