Articles about Tungsten and how it pertains to the lubrication industry:

Tungsten: The perfect metal for bullets and missiles
This explains some of the evolution of the uses for Tungsten over the years, fascinating read.

Tungstenite Technical Composition
This provides in-depth mineralogical data for Tungsten.

Tungsten nanoparticles gives lubricants the slip
An excellent article written by Materials Today

Tungsten Materials Survey (1956)
Published by U.S. Department of Commerce

Article of how Tungsten Disulfide (WS2) is being used to protect tomorrow’s soldiers.

Article on Tungsten Disulfide in “Superlubricity" by A.Erdemir.

WS2 Low Friction Coatings by

Nano-Body Armor from Tungsten by

Tungsten Shaving Blades by Nano Patents and Innovation