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The development of heterogeneous materials based on Ni and B4C powders using a cold spray and stratified selective laser melting technologies

Filippov, A A ; Fomin, V M ; Buzyurkin, A E ; Kosarev, V F ; Malikov, A G ; Orishich, A M ; Ryashin, N S

Journal of physics. Conference series, 2018-01, Vol.946 (1) [Periódico revisado por pares]

Bristol: IOP Publishing

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  • Título:
    The development of heterogeneous materials based on Ni and B4C powders using a cold spray and stratified selective laser melting technologies
  • Autor: Filippov, A A ; Fomin, V M ; Buzyurkin, A E ; Kosarev, V F ; Malikov, A G ; Orishich, A M ; Ryashin, N S
  • Assuntos: Boron ; Boron carbide ; Ceramic coatings ; Ceramics ; Cermets ; Composite materials ; Laser beam melting ; Laser beam welding ; Laser modes ; Lasers ; Mechanical properties ; Modulus of elasticity ; Multilayers ; Nickel ; Physics ; Thin films
  • É parte de: Journal of physics. Conference series, 2018-01, Vol.946 (1)
  • Descrição: The work is dedicated to the creation of new ceramic-composite materials based on boron carbide, nickel and using a laser welding in order to obtain three dimensional objects henceforth. The perspective way of obtaining which has been suggested by the authors combined two methods: cold spray technology and subsequent laser post-treatment. At this stage, the authors focused on the interaction of the laser with the substance, regardless of the multi-layer object development. The investigated material of this work was the metal-ceramic mixture based on boron carbide, which has high physical and mechanical characteristics, such as hardness, elastic modulus, and chemical resistance. The nickel powder as a binder and different types of boron carbide were used. The ceramic content varied from 30 to 70% by mass. Thin ceramic layers were obtained by the combined method and cross-sections of different seams were studied. It was shown that the most perspective layers for additive manufacturing could be obtained from cold spray coatings with ceramic concentrations more than 50% by weight treated when laser beam was defocused (thermal-conductive laser mode).
  • Editor: Bristol: IOP Publishing
  • Idioma: Inglês
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  • Realização: ABCD-USP USP   Logos de Redes Sociais: Freepik

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