The thermal expansion coefficient of molybdenum rod is about (4.8-5.2) × 10^-6 /°C in the normal temperature range. This means that when the temperature increases or decreases by 1 degree Celsius, the length of the molybdenum rod will increase or decrease correspondingly by a ratio of about (4.8-5.2) × 10^-6.
The thermal expansion coefficient of molybdenum is relatively low, which makes molybdenum rods have good stability and dimensional consistency in high temperature environments. Its low coefficient of thermal expansion makes molybdenum rod less prone to thermal stress and deformation in high temperature applications, thus maintaining the stability of its structure and performance. This makes molybdenum rod an ideal material for many high temperature applications such as high temperature furnaces, aerospace engine components, high temperature heating elements, etc.
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