Paper Title:
Interface Structure and Properties of Explosive Welded Beryllium Bronze/Steel Composite Plates
  Abstract

In this study, beryllium bronze/steel composite plates were fabricated through explosive welding process using different ratios of explosive. Microstructures of the joint were examined, and then shearing strength, peeling strength, Bending tests and hardness measurements were carried out on the bonded specimens. Experimental studies show that, beryllium bronze and steel could be bonded with a good quality. The interface is wavy texture changing in turns from flat - wavelet - large wave - stable large wave beginning with initiation point. Grains near the interface are elongated parallel to the explosion direction. As the ratio of explosive increase, the amplitude and wavelength of wave are increased, which leads to the increasing of shearing strength and bonging strength. No shearing in the interface is seen from the tensile-shear tests and fracture take place in the low strength material. The bended specimens show that defects such as separation and tearing were not observed. Hardness is increased with increasing explosive ratio and the highest hardness values are obtained near the bonding interface.

  Info
Periodical
Edited by
Zhou Mark
Pages
1598-1602
DOI
10.4028/www.scientific.net/AMM.52-54.1598
Citation
G. S. Zhang, S. Z. Hou, S. Z. Wei, J. W. Li, L. J. Xu, "Interface Structure and Properties of Explosive Welded Beryllium Bronze/Steel Composite Plates", Applied Mechanics and Materials, Vols. 52-54, pp. 1598-1602, 2011
Online since
March 2011
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