How Does the Stiffness of Tungsten Needles in Microscale Mechanical Applications?

Tungsten needles are known for their high stiffness and strength, making them suitable for microscale mechanical applications. In terms of stiffness, tungsten is one of the stiffest materials available, with a Young’s modulus of 411 GPa, which is about three times that of steel and four times that of titanium. This high stiffness makes tungsten needles less prone to bending or flexing under mechanical loads, making them suitable for use as microscale probes, actuators, or sensors.

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