Abstract
As electrification in the automotive industry progresses, the demand is rising for test particles with specific properties. More and more new applications are also being developed, such as processes for validating cleaning steps, contamination tracking or determining cleanliness limits. This article describes how test particles can be reproducibly manufactured in all three dimensions by micro milling. In addition, it explains how the dimensional accuracy of these free-form surfaces can be analyzed with computer tomography.
Highlights
Technical cleanliness has been an established quality feature in the automotive industry for many years
This article describes how and with which dimensional accuracy synthetic contamination can be produced by micro milling for use in tribological studies or for determining cleanliness limits with fault injection tests
After optimizing the milling parameters, the dimensional accuracy of the particles was analyzed in all three dimensions by micro computer tomography
Summary
Technical cleanliness has been an established quality feature in the automotive industry for many years. This article describes how test particles can be reproducibly manufactured in all three dimensions by micro milling. The application of synthetic test contamination is not limited to electronic components nor the automotive industry.
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