The testing machine rotates either the disk or the pin relative to the disk's center. This creates a circular sliding path on the disk surface.
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ASTM G99 is a widely used standard for evaluating the wear resistance of materials using a pin-on-disk apparatus. The test method involves rubbing a pin specimen against a rotating disk specimen under controlled conditions, and measuring the wear rate of the materials. The testing machine rotates either the disk or
ASTM G99-17 | Wear Testing with Pin-on-Disk - Rtec Instruments ASTM G99 is a widely used standard for
Sarah scrambled through the paper report. "No... they just marked it as 'stable'."
The pin-on-disk wear test requires two primary specimens: a pin (or a rigidly held spherical ball) positioned perpendicular to a flat circular disk.
The fluorescent lights still hummed, but the headache was gone. Elias looked at the PDF icon on the desktop. It was just a file, a few megabytes of data. But tonight, a dusty old PDF had saved a company hundreds of millions of dollars and prevented a tragedy.