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

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

Результат исследования: Научные публикации в периодических изданияхстатья по материалам конференциирецензирование

1 Цитирования (Scopus)

Аннотация

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).

Язык оригиналаанглийский
Номер статьи012005
Число страниц6
ЖурналJournal of Physics: Conference Series
Том946
Номер выпуска1
DOI
СостояниеОпубликовано - 23 фев 2018

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