Abstract The possibility of synthesizing tungsten carbide powders by carburizing mesoporous using ethanol as a carbon source is shown. WC was synthesized at the temperature 730-900 °C, argon or helium carrier gas in interaction with products thermal decomposition ethanol. Carbide has hexagonal crystal structure. specific surface area reaches 13 m 2 ⋅g −1 . Their average crystallite size determi...

The metallurgical and mechanical properties of Ti6Al4V/(WC-Co) friction welds have ben investigated. The microstructure close to the bondline comprised a mixture of acicular and equiaxed α plus β phases. The diffusion of elements in the welded specimens has been detected. The fracture strengths of Ti6Al4V/(WC-Co) friction welds markedly improved when the cobalt content in the (WC-Co) carbide su...

The metallurgical and mechanical properties of Ti6Al4V/(WC-Co) friction welds have ben investigated. The microstructure close to the bondline comprised a mixture of acicular and equiaxed α plus β phases. The diffusion of elements in the welded specimens has been detected. The fracture strengths of Ti6Al4V/(WC-Co) friction welds markedly improved when the cobalt content in the (WC-Co) carbide su...

Hard metal disease is an occupational lung disorder occurring primarily among workers employed in the cemented tungsten carbide industry."4 Interstitial pulmonary fibrosis, acute obstructive pulmonary disease (asthma), and dermatitis are the main clinical manifestations of such exposure. The workers in this industry are at risk from exposure to powders of a variety of hard metals during the man...

In this paper a self-developed polycrystalline diamond coating was done on tungsten carbide (WC) tool insets by using simple thermal chemical vapor deposition technique. The growth of these films has been carried out at ~900 ºC temperature. as-grown the surface inserts have characterized Raman spectrometer and scanning electron microscope (SEM). morphological studies reveal that are high crysta...