Commercial zirconium carbide (ZrC) powder is consolidated by Spark Plasma Sintering (SPS). Processing temperatures range from 1650 to 2100 °C. Specimens with various density levels are obtained when performing single-die SPS at different temperatures. Besides the single-die tooling setup, a double-die tooling setup is employed to largely increase the actual applied pressure to achieve higher de...

Boron carbide (B4C) is of interest in the armor community due to its combination extreme hardness and low density. However, it difficult utilize these properties many applications challenges associated with forming near-net shapes B4C, combined inherent sinterability without application external pressure. In this study, highly loaded (51 vol. %) aqueous B4C suspensions were developed injection ...

Currently, the standard material used for micro end mill tooling is sintered tungsten carbide with a cobalt binder. Its brittle nature coupled with the micro-scaled cutting features of the end mills often result in rapid tool degradation. Tool life and cutting performance can be significantly improved using a thin nanocrystalline diamond (NCD) coating. The high hardness (~90 GPa), low coefficie...

The study describes the properties of protective coating deposited on surface reaction-sintered silicon carbide and molybdenum disilicide. technology increasing ability products basis reactive sintered disilicide, which operate in an oxidizing environment at high temperature a sharp change thermal regime, is investigated. obtained results showed that presence slip layer significantly increases ...

In the current scenario, cutting tool industries use powder material tungsten carbide of 60-80 microns grain size to produce inserts. There are a lot scopes improve properties materials enhance their ability machine challenging like heat resistant super alloys (HRSA). Reducing nano level may help increase strength, substrate hardness, Fracture toughness, and thermal conductivity insert. This re...