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Strain rate-dependent and temperature- dependent compressive properties of 2DCf/SiC Composite

  • Yingchun WangEmail author
  • Shukui Li
  • Jinxu Liu
Conference paper
Part of the Conference Proceedings of the Society for Experimental Mechanics Series book series (CPSEMS)

Abstract

Effects of strain rate and temperature on dynamic behaviors of 2DCf/SiC composite were investigated by improved Split Hopkinson Pressure Bars (SHPB) using pulse shaper. Results show that the shape of incident wave changes from rectangle to triangle after using pulse shaper in SHPB testing. The dynamic compressive strength of the composite increases with strain rate increasing from 500s–1 to 1700s–1, while shows decreasing tendency with strain rate rising from 1700s–1 to 2750s–1, indicating a maximum dynamic strength at strain rate of about 1700s–1. The 2DCf/SiC composite exhibits higher strength and better ductility at elevated temperature in the range of 460°C~500°C compared with that at room temperature.

Keywords

Cf/SiC composite SHPB stain-rate sensitivity 

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Copyright information

© Springer Science+Business Media, LLC 2011

Authors and Affiliations

  1. 1.School of Materials Science & EngineeringBeijing Institute of TechnologyBeijingP.R. China

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