Paper Title:
Mechanical Properties of High Reinforcement Content TiB2p/Al Composites under Quasi-Static and Dynamic Loading
  Abstract

High reinforcement content TiB2/2024Al composites (Vp=55, 65%) were fabricated by squeeze casting technology, and their microstructures as well as mechanical properties under quasi-static and dynamic loading were evaluated. For 55 vol.% TiB2/Al composite, the bending strength and elastic modulus were as high as 623.5MPa and 218.1GPa. When compressed at a strain rate of 1050s-1, both composites exhibited a higher compressive flow stresses and compressive moduli than those under quasi-static loading. The micro-damage of high reinforcement content composites was mostly dominated by the large particle cracking. In addition, some evidence of aluminum alloy melting was observed on the fracture surfaces of dynamic compression, it was ascribed to the adiabatic heat accumulated in a local region transferred by plastic work.

  Info
Periodical
Key Engineering Materials (Volumes 353-358)
Edited by
Yu Zhou, Shan-Tung Tu and Xishan Xie
Pages
1459-1462
DOI
10.4028/www.scientific.net/KEM.353-358.1459
Citation
D. Z. Zhu, G. H. Wu, G. Q. Chen, Q. Zhang, "Mechanical Properties of High Reinforcement Content TiB2p/Al Composites under Quasi-Static and Dynamic Loading", Key Engineering Materials, Vols. 353-358, pp. 1459-1462, 2007
Online since
September 2007
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Price
$32.00
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