The linear expansion coefficient (linear expansion rate) of molybdenum rod is usually relatively low in the temperature range, about (4.9-5.4) × 10^-6 /°C. This means that when the temperature rises, the length of the molybdenum rod will increase slightly, but its linear expansion coefficient is small and its relative stability is high. This gives molybdenum rod excellent thermal stability and thermal cycling performance in high temperature applications.
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