Results 1 to 10 of about 206 (118)

The Performance of Polycrystalline Diamond (PCD) Tools Machined by Abrasive Grinding and Electrical Discharge Grinding (EDG) in High-Speed Turning [PDF]

Journal of Manufacturing and Materials Processing, 2021
Polycrystalline diamond (PCD) tools are widely used in industry due to their outstanding physical properties. However, the ultra-high hardness of PCD significantly limits the machining efficiency of conventional abrasive grinding processes, which are ...
Rizwan Abdul Rahman Rashid, Songlin Ding, Palanisamy S   +2 more
exaly   +5 more sources

The Machining Characteristics of Polycrystalline Diamond (PCD) by Micro-WEDM

Procedia CIRP, 2013
AbstractThis paper presents an experimental investigation of the machining characteristics of Polycrystalline Diamond (PCD) in micro wire electrical discharge machining (μ-WEDM). The Taguchi method was adopted to obtain the optimum conditions of parameter settings for cutting width and material removal rate (M RR).
Hsu, F.C., Tai, T.Y., Vo, V.N., Chen, S.Y., Chen, Y.H.   +4 more
exaly   +2 more sources

AlN as interlayer for effective thermal dissipation from gallium nitride to CVD diamond using nanocrystalline diamond seeding

Information & Functional Materials
With the increasing power density achieved in gallium nitride (GaN) electronic devices, the thermal dissipation becomes a key issue that restricts their ultimate performances.
Liwen Sang, Meiyong Liao, Bo Shen
doaj   +2 more sources

Schottky Barrier Diodes Based on Freestanding Polycrystalline Diamond Membranes

Advanced Electronic Materials
Polycrystalline diamond (PCD) thin films have been widely used as a coating material to enhance surface properties or protect against wear and tear. However, their implementation as an electronic material has been hindered by inconsistent semiconducting ...
Dmitry Shinyavskiy, Chenyu Wang, Luke Suter, Matthias Muehle, Jung‐Hun Seo   +4 more
doaj   +2 more sources

Performance and wear analysis of polycrystalline diamond (PCD) tools manufactured with different methods in turning titanium alloy Ti-6Al-4V

International Journal of Advanced Manufacturing Technology, 2015
Polycrystalline diamond (PCD) tools have been widely used in industry because of its ultra-hardness and high abrasion resistance. Electrical discharge grinding (EDG) and conventional abrasive grinding are currently the two main processes to manufacture PCD tools. However, PCD tools fabricated by the two methods show different cutting performance.
Shoujin Sun, Songlin Ding, Mohammad Zulafif Rahim   +2 more
exaly   +3 more sources

Research on grinding quality and removal mechanism of polycrystalline diamond tools

Jin'gangshi yu moliao moju gongcheng, 2022
Aiming at grinding quality of polycrystalline diamond (PCD) tools, the grinding experiment was carried out to optimize the process parameters with cutting edge radius, cutting edge defect and flank roughness as the indexes. The grinding removal mechanism
Sen WANG, Hai DONG, Yu GU, Ming WANG, Jiawei WANG   +4 more
doaj   +3 more sources

Research on Microstructure, Synthesis Mechanisms, and Residual Stress Evolution of Polycrystalline Diamond Compacts

Crystals, 2023
The microstructure and residual stress of polycrystalline diamond compact (PDC) play crucial roles in the performance of PDCs. Currently, in-depth research is still to be desired on the evolution mechanisms of microstructure and residual stress during ...
Peishen Ni, Yongxuan Chen, Wenxin Yang, Zijian Hu, Xin Deng   +4 more
doaj   +1 more source

Brazing Polycrystalline Diamonds (PCDs) in Applications of Cutting Tools: A review

BIO Web of Conferences, 2023
This article surveys all researches which have conducted on polycrystalline diamond (PCDs) cutting tools, with particular consideration to the characteristics and performance of diamond-metal interface. There has been a revolution in industry over the fifty years or so, due to the usage of diamond in numerous applications, because of the special ...
Kareem Hayder Jalil, AL-Roubaiy Ahmad O., Omidvar Hamid   +2 more
openaire   +2 more sources

Recovery of Diamond and Cobalt Powders from Polycrystalline Drawing Die Blanks via Ultrasound Assisted Leaching Process—Part 2: Kinetics and Mechanisms

Metals, 2020
The leaching of industrial polycrystalline diamond (PCD) blanks in aqua regia at atmospheric pressure between 60 °C and 80 °C was performed using an ultrasound to improve the rate of cobalt removal in order to be able to reuse very expensive ...
Ferdinand Kießling, Srecko Stopic, Sebahattin Gürmen, Bernd Friedrich   +3 more
doaj   +1 more source

Applications of Polycrystalline Diamond (PCD) Materials in Oil and Gas Industry

, 2023
Polycrystalline diamond possesses high hardness and wear resistance, among other superior properties, such as low coefficient of friction, high thermal conductivity, high corrosion resistance and low electrical conductivity. Some of these properties favor the application of polycrystalline diamond in oil & gas industry.
Guodong (David) Zhan, Jianhui Xu, Duanwei He   +2 more
openaire   +1 more source