Effect of Thermal Cycling Treatment on Microstructure and Mechanical Properties of AlNp/2024A1 Composite

J Mater Sci Technol ›› 2001, Vol. 17 ›› Issue (01): 61-62.

• Research Articles • Previous Articles Next Articles

Effect of Thermal Cycling Treatment on Microstructure and Mechanical Properties of AlNp/2024A1 Composite

Gaohui WU, Bofeng LUAN, Longtao JIANG, Dougli SUN

School of Materials Science and Engineering, Harbin institute of Technology, Harbin 150001, China

Received:2000-04-25 Revised:1900-01-01 Online:2001-01-28 Published:2009-10-10
Contact: Gaohui WU

Abstract

Abstract: The A1NP/2024 composite with a high volume fraction (50%) was fabricated by squeeze casting. Its mechanical properties were investigated by tensile tests at ambient temperature and the microstructure was observed by a transmission electron microscope (TEM). It was indicated that after six thermal cooling cycles treatment the AIN/2024Al composite exhibited higher elastic limit (ac.ol), tensile strength (UTS) and elastic modulus (E). TEM observation showed that there was higher dislocation density both in the matrix and the particle. Δ’ phase is the mainly precipitate

Key words:

Gaohui WU, Bofeng LUAN, Longtao JIANG, Dougli SUN. Effect of Thermal Cycling Treatment on Microstructure and Mechanical Properties of AlNp/2024A1 Composite[J]. J Mater Sci Technol, 2001, 17(01): 61-62.

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Effect of Thermal Cycling Treatment on Microstructure and Mechanical Properties of AlNp/2024A1 Composite

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