International Research Journal of Innovations in Engineering and Technology - IRJIET International Open Access, Monthly, Peer Reviewed, Reputed Journal ISSN (online): 2581-3048

Impact Factor (2025): 6.9

DOI Prefix: 10.47001/IRJIET

On the Properties of Polycrystalline Diamonds

Marin PetrovicAssociate Professor, Mechanical Engineering Faculty, University of Sarajevo, Bosnia and Herzegovina

Vol 3 No 9 (2019): Volume 3, Issue 9, September 2019 | Pages: 48-54

International Research Journal of Innovations in Engineering and Technology

OPEN ACCESS | Research Article | Published Date: 27-09-2019

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Abstract

Polycrystalline diamond materials have a variety of applications, mainly as cutting tools for machining non-ferrous metals and non-metallic materials. A significant application of PCD is in the oil and gas industry for rock drilling operations. Other important areas, such as mining, have yet to reach their full potential. The unique combination of hardness, toughness and strength makes components containing PCD an excellent solution for a variety of rock-drilling operations. Furthermore, the extraordinary hardness of diamond, it’s very high thermal conductivity and low friction coefficient make it an ideal tool material for the machining of wood and wood-based composites. Therefore, there are a number of reasons for the superior performance of PCD and diamond-coated carbides over tools made of cemented carbides, such as larger abrasion resistance, improved ability of machining to smaller tolerances and lowered acoustic emissions. In order to accurately predict the behavior of a PCD cutting tool under typical operating conditions encountered during drilling operations, knowledge about the range of mechanical and fracture properties is crucial. There has been very little research conducted in the area of fracture of super hard materials. Lack of available mechanical and fracture properties in addition to a poor understanding of the fracture process results in relatively high and unnecessary financial losses associated to use of these materials. Therefore, establishing some sort of standard for ranking PCD materials is essential to the development of new improved materials.

Keywords

Polycrystalline diamond, Brittle fracture, Fracture mechanics, Young’s modulus, Flexural strength, Fracture toughness


Citation of this Article

Marin Petrovic, “On the Properties of Polycrystalline Diamonds” Published in International Research Journal of Innovations in Engineering and Technology (IRJIET), Volume 3, Issue 9, pp 48-54, September 2019.

Licence Copyright (c) 2026 International Research Journal of Innovations in Engineering and Technology creative common licence This work is licensed under Creative common Attribution Non Commercial 4.0 Internation Licence
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