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Berg offers Knoop and Vickers micro hardness diamond indenters from Wilson. The Vickers method is used for micro hardness testing on thin sections of test material, on small parts, and in similar situations where the Rockwell and Brinell methods would not be appropriate. The indenter is a small, pyramid-shaped diamond with a square base. Loads are quite light, ranging from a few grams to a few kilograms. Note, however, that macro Vickers testing uses loads at and above 30kg.
The Knoop method appears superficially similar to the Vickers method, but one key difference separates them, steering the Knoop method into more specialized applications: the pyramid-shaped diamond indenter is more elongated than the Vickers indenter, having a rectangular base rather than a square one. While the Vickers method is preferred for general micro hardness testing, the Knoop method finds application in testing near the edge of the work piece, testing multiple indentations in close proximity on the same work piece, and indentation of very thin materials.
For more information about Micro Hardness (Knoop & Vickers) Diamond Indenters & Accessories, contact our knowledgeable sales engineers by calling 1-847-577-3980 or emailing info@bergeng.com.
