We used a multi-anvil apparatus for high-pressure synthesis 1. A pure polycrystalline graphite (99.9995%) rod was found to transform into a transparent, colourless phase in only a few minutes at ...

Nearly two-thirds of the oil we use comes from wells drilled using polycrystalline diamond compact bits, originally developed nearly 30 years ago to lower the cost of geothermal drilling. Scientists ...

3D printing enthusiasts searching for the best 3D printing nozzles may be interested in a new Kickstarter campaign for the DiamondBack nozzle range. The Polycrystalline Diamond (PCD) used in every ...

We collaborate with the world's leading lawyers to deliver news tailored for you. Sign Up for any (or all) of our 25+ Newsletters. Some states have laws and ethical rules regarding solicitation and ...

Drill bit manufacturers have substantially improved polycrystalline diamond (PCD) cutters and drag bit designs since their introduction in 1972. PCD drill bits are now approaching the rolling cone ...

Grown at ambient pressure: A diamond sample in the solidified liquid metal. (Courtesy: Institute for Basic Science/Yan Gong) The usual way of manufacturing synthetic diamonds involves applying huge ...