Paper Title:
Microstructure and Fracture Behavior of Ceramic Particle Reinforced Composite Bond with the Assistance of Ultrasonic Waves
  Abstract

Composite materials (55 vol.% SiCp/A356) were brazed by filling with a Zn-based alloy with the assistance of ultrasonic waves. 37 vol.% SiC particles composite bonds were produced and their structural features as well as mechanical properties were obtained. The crack initiation and propagation behavior of the composite bonds were examined using in situ SEM and SEM fractographic observations. The shear strength of the brazed bonds containing ~37 vol.% SiC particles was 37% higher than the 55%SiCp/A356 composites and 48% higher than the un-reinforced bond. There are two mechanisms of crack initiation in metal matrix composite. In the first cracks may initiate at in the eutectic phase in the composite bond. In the second cracks may also initiate due to cracking of the particles.

  Info
Periodical
Advanced Materials Research (Volumes 295-297)
Chapter
Chapter 7: Common Aspects of Manufacturing
Edited by
Pengcheng Wang, Liqun Ai, Yungang Li, Xiaoming Sang and Jinglong Bu
Pages
2370-2373
DOI
10.4028/www.scientific.net/AMR.295-297.2370
Citation
Y. Zhang, H. B. Qi, H. Zhu, "Microstructure and Fracture Behavior of Ceramic Particle Reinforced Composite Bond with the Assistance of Ultrasonic Waves", Advanced Materials Research, Vols. 295-297, pp. 2370-2373, 2011
Online since
July 2011
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Price
$32.00
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