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Erschienen in:
01.11.2022 | STRUCTURE, PHASE TRANSFORMATIONS, AND DIFFUSION
The Effect of Aging Temperature on Parameters of the Amplitude Dependence of Internal Friction, Hardness, and Structure of the Zr–8.1% Nb Alloy
Erschienen in: Physics of Metals and Metallography | Ausgabe 11/2022
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Abstract
The effect of conditions of heat treatment, namely, quenching, aging, and annealing temperatures on parameters of amplitude dependence of the internal friction, dynamic modulus of elasticity, hardness, and structure of Zr–8.1% Nb alloys is studied. The character and intensity of changes in the properties in accordance with the main phase and structural transformations that occurred within six aging temperature ranges are analyzed. Based on the correspondence of the dependences of the unit-cell volume of the ω phase, hardness, and dynamic modulus of elasticity of the alloy on the aging temperature, it is suggested that the unit-cell volume of the ω phase characterizes the strength and rigidity of its crystal structure.