The Ultrasonic Contact Impedance Procedure (UCI Method) is used in the ASTM A1038 test method to evaluate comparative hardness values on metallic samples. Measurements of hardness can be made using the UCI hardness test in places that are challenging to reach, including the sides of teeth or the roots of gears. The ASTM A1038 hardness test is a cursory assessment that is merely performed to gauge how hard the surface being tested is.

The probe is connected to the indicating unit, and the instrument is turned on to carry out the ASTM A1038 hardness test. The probe is securely grasped, with its axis perpendicular to the surface of the test piece. In the loading stage, constant pressure is applied to the test item. For as long as the load is active, the vertical probe position must be maintained. The equipment then displays the hardness result and emits an auditory signal to notify the completion of the measurement.

To sum up, NextGen’s Ultrasonic Contact Impedance Hardness Tester – UH200 complies with ASTM-A1038-05 Standard.

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