Abstract
In this study, we focus on the room-temperature mechanical properties of LAST (Pb–Sb–Ag–Te) materials fabricated using casting with slow-cool temperature profiles (cooling rate <5°C h−1) including biaxial flexural strength, indentation hardness, Young's modulus, and dynamic elastic moduli. The slow-cooled specimens exhibited values of Young's modulus and hardness that are comparable to those of previously reported fast-cooled LAST materials (cooling rate >5°C h−1). The higher biaxial flexural strength is potentially beneficial for the mechanical integrity of thermoelectric devices.
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