Non-destructive residual stress investigations of natural polycrystalline diamonds

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

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

Non-destructive residual stress investigations of natural polycrystalline diamonds

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

ARC Centre of Excellence for Core to Crust Fluid Systems (incorporation ARC National Key Centre for Geochemical evolution and Metallogeny of Continents (GEMOC))

Research output: Chapter in Book/Report/Conference proceeding › Conference proceeding contribution › peer-review

1 Citation (Scopus)

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, contributed by the areas in which they were formed and subsequently discovered. Residual stress analyses of the cubic diamond phase with Xray and neutron diffraction techniques revealed low stress values in the interior regions of the diamonds.

Original language	English
Title of host publication	Residual Stresses IX
Editors	M. Francois, G. Montay, B. Panicaud, D. Retraint
Place of Publication	Zurich, Switzerland
Publisher	Trans Tech Publications
Pages	969-974
Number of pages	6
Volume	996
ISBN (Print)	9783038351535
DOIs	https://doi.org/10.4028/www.scientific.net/AMR.996.969
Publication status	Published - 2014
Event	9th European Conference on Residual Stresses, ECRS 2014 - Troyes, France Duration: 7 Jul 2014 → 10 Jul 2014

Publication series

Name	Advanced Materials Research
Volume	996
ISSN (Print)	10226680
ISSN (Electronic)	16628985

Other

Other	9th European Conference on Residual Stresses, ECRS 2014
Country	France
City	Troyes
Period	7/07/14 → 10/07/14

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10.4028/www.scientific.net/AMR.996.969

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Venter, A. M., Luzin, V., Andreoli, M. A. G., Piazolo, S., & Moipolai, T. (2014). Non-destructive residual stress investigations of natural polycrystalline diamonds. In M. Francois, G. Montay, B. Panicaud, & D. Retraint (Eds.), Residual Stresses IX (Vol. 996, pp. 969-974). (Advanced Materials Research; Vol. 996). Trans Tech Publications. https://doi.org/10.4028/www.scientific.net/AMR.996.969

Venter, Andrew M. ; Luzin, Vladimir ; Andreoli, Marco A G ; Piazolo, Sandra ; Moipolai, Tshegofatso. / Non-destructive residual stress investigations of natural polycrystalline diamonds. Residual Stresses IX. editor / M. Francois ; G. Montay ; B. Panicaud ; D. Retraint. Vol. 996 Zurich, Switzerland : Trans Tech Publications, 2014. pp. 969-974 (Advanced Materials Research).

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title = "Non-destructive residual stress investigations of natural polycrystalline diamonds",

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, contributed by the areas in which they were formed and subsequently discovered. Residual stress analyses of the cubic diamond phase with Xray and neutron diffraction techniques revealed low stress values in the interior regions of the diamonds.",

author = "Venter, {Andrew M.} and Vladimir Luzin and Andreoli, {Marco A G} and Sandra Piazolo and Tshegofatso Moipolai",

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Venter, AM, Luzin, V, Andreoli, MAG, Piazolo, S & Moipolai, T 2014, Non-destructive residual stress investigations of natural polycrystalline diamonds. in M Francois, G Montay, B Panicaud & D Retraint (eds), Residual Stresses IX. vol. 996, Advanced Materials Research, vol. 996, Trans Tech Publications, Zurich, Switzerland, pp. 969-974, 9th European Conference on Residual Stresses, ECRS 2014, Troyes, France, 7/07/14. https://doi.org/10.4028/www.scientific.net/AMR.996.969

Non-destructive residual stress investigations of natural polycrystalline diamonds. / Venter, Andrew M.; Luzin, Vladimir; Andreoli, Marco A G; Piazolo, Sandra; Moipolai, Tshegofatso.

Residual Stresses IX. ed. / M. Francois; G. Montay; B. Panicaud; D. Retraint. Vol. 996 Zurich, Switzerland : Trans Tech Publications, 2014. p. 969-974 (Advanced Materials Research; Vol. 996).

Research output: Chapter in Book/Report/Conference proceeding › Conference proceeding contribution › peer-review

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AB - 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, contributed by the areas in which they were formed and subsequently discovered. Residual stress analyses of the cubic diamond phase with Xray and neutron diffraction techniques revealed low stress values in the interior regions of the diamonds.

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Venter AM, Luzin V, Andreoli MAG, Piazolo S, Moipolai T. Non-destructive residual stress investigations of natural polycrystalline diamonds. In Francois M, Montay G, Panicaud B, Retraint D, editors, Residual Stresses IX. Vol. 996. Zurich, Switzerland: Trans Tech Publications. 2014. p. 969-974. (Advanced Materials Research). https://doi.org/10.4028/www.scientific.net/AMR.996.969