Paper Title:
Impact Properties of TiC/Fe at Elevated Temperatures
  Abstract

The impact properties of TiC-Fe composite at different temperatures prepared by SHS / PHIP technique were investigated by impact test which was conducted in air from 20°C to 100020°C. Morphology of the impact fracture surface was observed by scanning electron microscope (SEM) and phase composition before and after the impact test was analyzed with X-Ray Diffraction. The results indicate that the impact toughness of TiC-Fe composite increases significantly with the temperature increasing above 700°C, representing a minimum value at 700°C. The impact fracture of TiC-Fe composite at room temperature, 700°C, 900°C and 1000°C is mainly brittle, showing certain plasticity with morphology of dimples as the temperature increases above 700°C. A small amount of Fe2O3 exists in the fracture surface, indicating TiC-Fe composite is oxidized partially during the impact test at elevated temperatures.

  Info
Periodical
Key Engineering Materials (Volumes 434-435)
Edited by
Wei Pan and Jianghong Gong
Pages
113-115
DOI
10.4028/www.scientific.net/KEM.434-435.113
Citation
Y. R. Bao, B. Li, Z. D. Liu, Z. J. Bao, "Impact Properties of TiC/Fe at Elevated Temperatures", Key Engineering Materials, Vols. 434-435, pp. 113-115, 2010
Online since
March 2010
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Price
$32.00
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