Results 81 to 90 of about 206 (118)
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International Journal of Refractory Metals and Hard Materials, 2016
Abstract Quasi-static and dynamic fracture toughness tests are performed on four grades of PCD to evaluate the effect of rate and identify dominant failure mechanisms. The results indicate that the presence of the secondary phase cobalt has a significant negative influence on the fracture toughness of PCD grades at high rates of loading.
Alojz IVANKOVIĆ, Declan Carolan
exaly +2 more sources
Abstract Quasi-static and dynamic fracture toughness tests are performed on four grades of PCD to evaluate the effect of rate and identify dominant failure mechanisms. The results indicate that the presence of the secondary phase cobalt has a significant negative influence on the fracture toughness of PCD grades at high rates of loading.
Alojz IVANKOVIĆ, Declan Carolan
exaly +2 more sources
Diamond and Related Materials, 1996
Abstract A systematic study of the residual stress in the diamond layers of a three-layered polycrystalline diamond (PCD) cutting tool was performed using micro-Raman spectroscopy. The stress was measured cross-sectionally along the center-line of the cutter by determining the Raman shift in each of the three layers and was approximated as being ...
Yogesh Vohra, Shane Catledge
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Abstract A systematic study of the residual stress in the diamond layers of a three-layered polycrystalline diamond (PCD) cutting tool was performed using micro-Raman spectroscopy. The stress was measured cross-sectionally along the center-line of the cutter by determining the Raman shift in each of the three layers and was approximated as being ...
Yogesh Vohra, Shane Catledge
exaly +2 more sources
Molybdenum as a new binder for polycrystalline diamond (PCD) prepared by HPHT sintering
Ceramics International, 2023Marcello Filgueira +1 more
exaly +2 more sources
Diamond and Related Materials, 2017
Abstract Enhanced tribological behaviors are urgently desired for scientists and engineers to improve the service life of polycrystalline diamond compact (PDC) instruments. Here, PDC samples, involved sintering a polycrystalline diamond (PCD) layer to a cemented carbide (WC-16wt%Co) substrate under high temperature/high pressure (HT/HP) condition ...
Qingzhong Mao +2 more
exaly +2 more sources
Abstract Enhanced tribological behaviors are urgently desired for scientists and engineers to improve the service life of polycrystalline diamond compact (PDC) instruments. Here, PDC samples, involved sintering a polycrystalline diamond (PCD) layer to a cemented carbide (WC-16wt%Co) substrate under high temperature/high pressure (HT/HP) condition ...
Qingzhong Mao +2 more
exaly +2 more sources
The Use of Polycrystalline Diamond (PCD) for Machining Highly Abrasive Workpiece Materials
Key Engineering Materials, 1996exaly +2 more sources
Advances in Drilling with PCD (Polycrystalline Diamond)
SAE International Journal of Advances and Current Practices in Mobility, 2020<div class="section abstract"><div class="htmlview paragraph">PCD properties were optimized to drill stacks of CFRP/Ti using an accelerated wear test milling gray cast iron. The optimized PCD was then used to prepare PCD drills. Tests were made to determine the best drilling conditions for the optimized PCD.
Jeremy Bunting, John Bunting
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High Pressure Research, 1990
Abstract AES and SIMS were used to analyze the diamond powders surface composition using LAS-3000 device. It is found that impurities on diamond particles surfaces have a detrimental effect on the PCD sintering and physico-mechanical properties of the product.
N. V. Novikov, A. A. Shul'zhenko
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Abstract AES and SIMS were used to analyze the diamond powders surface composition using LAS-3000 device. It is found that impurities on diamond particles surfaces have a detrimental effect on the PCD sintering and physico-mechanical properties of the product.
N. V. Novikov, A. A. Shul'zhenko
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A First Look at 100% Thermally Stable Polycrystalline Diamond (PCD) for Oil & Gas Drilling
SPE Annual Technical Conference and Exhibition, 2022Abstract Since the late 1970's, research on the efficiency and cutting life of polycrystalline diamond compact (PDC) cutters identified elevated temperature due to frictional heating as one of the primary accelerants of wear to the diamond cutting edge.
Guodong David Zhan +4 more
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Damage induced by monotonic and cyclic spherical indentation in polycrystalline diamond (PCD)
International Journal of Refractory Metals and Hard Materials, 2015Abstract The spherical indentation technique has been successfully implemented for inducing controlled damage, under both monotonic and cyclic loading conditions, in three microstructurally different polycrystalline diamond (PCD) grades. Damage evolution under increasing applied load and/or number of cycles has been assessed, and the attained results
F.G. Marro +4 more
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ECS Transactions, 2009
All conventional pad conditioners dress the CMP pad with discrete diamond grits of random orientation. With the advent of polycrystalline diamond (PCD) dressers, the pad conditioning can be performed with an unprecedented regularity. The result is a total elimination of "killer asperities" that may scratch the soft copper layer or porous dielectric ...
James C. Sung +6 more
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All conventional pad conditioners dress the CMP pad with discrete diamond grits of random orientation. With the advent of polycrystalline diamond (PCD) dressers, the pad conditioning can be performed with an unprecedented regularity. The result is a total elimination of "killer asperities" that may scratch the soft copper layer or porous dielectric ...
James C. Sung +6 more
openaire +1 more source