How we can interpret 2D optical profilometer result of wear track ?

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Sumit Bhowmick

perhaps a small rough outer projection on main indenter that abrared indentation channel yet again (broken tips of indenter)?

same wear track sequentially followed by multiple indenters?

Indenter was too much right-pointed (or dragged from left to right forcefully) that created tension of left surface of crater, and the left-side tear-off is showing as indentation (for ductile enough materials)

These interpretations coming into my head

Mahmood Hussain

No, the pin of the indenter was not broken.

A single indenter was used.

What would be the answer if hard particles were embedded in the matrix?