Journal
METAL SCIENCE AND HEAT TREATMENT
Volume 60, Issue 3-4, Pages 185-189Publisher
SPRINGER
DOI: 10.1007/s11041-018-0258-6
Keywords
alloys of the Al - Ag system; kinetics; discontinuous precipitation; activation energy; differential scanning calorimetry; dilatometry
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The kinetics of discontinuous precipitation of Ag2Al intermetallic in alloy Al - 10% Ag is studied after 10-h holding in vacuum at 530 degrees C and subsequent water quenching. The DSC and dilatometric curves are plotted for heating rates ranging from 5 to 20 K/min. The activation energy of formation of the Ag2Al -phase is computed from the DSC data with the help of the Boswell equation and by the Kissinger method.
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