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Analysis of microstructure and macro (1-st order) - and micro (2-nd order) -residual stresses was performed for two phases material. A ferritic cast iron (Fe-Cr-C alloy), with high chromium contents, subjected to wear by erosion was under examination. Before the erosion test, the compression stresses were measured to be of about -200 MPa in ferrite and -2500 MPa in carbide. After the test, diminishing...
The tribological properties of intermetallic TiAlNb alloy are described. The wear resistance of the alloy was determined by the 'pin-on-disc' method. The results of the wear resistance showed a strong response of the wear intensity to an increase of the wear rate. Moreover, the tribological properties of the alloy can be changed by modifying its phase composition. The TiAlNb alloy had a much higher...
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