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Patents

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METHOD FOR MEASURING MASS DISTRIBUTION WITHIN OBJECTS USING MOMENT-OF-INERTIA
US Patent Application No. 63/359,623
The invention describes a non-invasive technique for measuring the internal mass distribution of rigid solid objects using Moment of Inertia (MOI). The invention is relevant primarily to the field of Metrology. The preferred use case is the detection of voids and inclusions within precision castings. However, the invention is also relevant to any field where it is useful to measure the internal mass distribution of a rigid solid object, including but not limited to Metallurgy, Precision Manufacturing, Reverse Engineering, Geology, and Paleontology. 

The internal mass-density distribution of an object is obtained by measuring the object’s inertia. The object is rotated about at least one arbitrary axis while dynamic properties are measured. Moment of inertia is derived from the torque and angular acceleration of the object, which can be used to calculate the internal mass-density distribution. 
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