Affiliation:
1. Institute of Aeronautical Materials
Abstract
The effect of temper temperature and duration on the microstructure and mechanical properties of new-type ultrahigh strength Fe-Ni-Co alloy was investigated with by mechanics performance testing and TEM. The results showed that the maximum ultimate tensile strength could reach 2230MPa after temper near 470°C due to the precipitation of coherent zones of fine carbides. With tempering time extended, the strength was cut down by the M2C carbides coarsening and the decreased coherency with matrix.
Publisher
Trans Tech Publications, Ltd.
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