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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 996Non-Destructive Residual Stress Investigations of...

Non-Destructive Residual Stress Investigations of Natural Polycrystalline Diamonds

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Abstract:

Three natural polycrystalline diamond samples have been investigated non-destructively in their raw as-discovered forms. The samples originate from different locations in the world and possibly have different mechanisms of formation. The study reveals that the stones are primarily composed of cubic diamond with varying amounts of impurities that emanate from their excessive porosities and entrapped environmental contamination from the areas they were formed and subsequently discovered. Residual stress analyses with X-ray and neutron diffraction techniques of the diamond phase in the interior regions of the diamonds revealed low stress values.

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Residual Stresses IX

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Periodical:

Advanced Materials Research (Volume 996)

Pages:

969-974

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.996.969

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Online since:

August 2014

Authors:

Andrew M. Venter*, Vladimir Luzin, Marco A.G. Andreoli, Sandra Piazolo, Tshegofatso Moipolai

Keywords:

Natural Polycrystalline Diamonds, Neutron Diffraction, Non-Destructive Analysis, Residual Stress, X-Ray Diffraction (XRD)

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