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

Yingchun Wang*, Shukui Li, Jinxu Liu

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

Effects of strain rate and temperature on dynamic behaviors of 2DC f/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.

Original languageEnglish
Title of host publicationDynamic Behavior of Materials - Proceedings of the 2010 Annual Conference on Experimental and Applied Mechanics
PublisherSpringer New York LLC
Pages287-294
Number of pages8
ISBN (Print)9781441982278
DOIs
Publication statusPublished - 2011

Publication series

NameConference Proceedings of the Society for Experimental Mechanics Series
Volume1
ISSN (Print)2191-5644
ISSN (Electronic)2191-5652

Keywords

  • SHPB
  • Stain-rate sensitivity

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