The formation of a tungsten containing surface layer in a carbon steel by compression plasma flow

✍ Scribed by V.V. Uglov; V.M. Anishchik; N.N. Cherenda; Yu.V. Sveshnikov; V.M. Astashynski; E.A. Kostyukevich; A.M. Kuzmitski; V.V. Askerko

• Publisher: Elsevier Science
• Year: 2008
• Tongue: English
• Weight: 623 KB
• Volume: 202
• Category: Article
• ISSN: 0257-8972
• DOI: 10.1016/j.surfcoat.2007.08.045

✦ Synopsis

Morphology, phase and elemental composition of a carbon steel surface layer after treatment by compression plasma flows containing a dispersed tungsten powder have been investigated in this work. The action of relatively short (∼ 120 μs) and intense (15-20 J/cm 2 per pulse) plasma pulses resulted in the formation of tungsten containing thin film consisting of clusters with the size of 100-200 nm. Besides, the film formation treatment with a few pulses allowed to alloy a surface steel layer with tungsten. This treatment also led to the formation of Fe 3 W 3 C and WC carbides in the surface layer.