Characterization of gradient CuAl–B4C composites additively manufactured using a combination of wire-feed and powder-bed electron beam deposition methods

A. V. Filippov, E. S. Khoroshko, N. N. Shamarin, N. L. Savchenko, E. N. Moskvichev, V. R. Utyaganova, E. A. Kolubaev, A. Yu Smolin, S. Yu Tarasov

Результат исследований: Материалы для журналаСтатьярецензирование

3 Цитирования (Scopus)

Аннотация

A combination of wire-feed and powder-bed electron beam additive deposition was applied for fabricating a gradient heterogeneous and wear-resistant CuAl–B4C multilayer composite with two different contents of the boron carbide particles. To improve the CuAl alloy wetting ability on the carbide powder bed, the latter was admixed with aluminum powder. A gradient distribution of the boron carbide in the aluminum bronze matrix was achieved for composites with 50 and 25 vol% B4C, which were characterized by microhardness, coefficient of friction, and wear resistance. The 50 vol% B4C sample demonstrated higher hardness but lower wear resistance against and coefficient of friction as compared to those of 25 vol% B4C one, when reciprocally rubbed against a 52,100 steel ball.

Язык оригиналаАнглийский
Номер статьи157824
ЖурналJournal of Alloys and Compounds
Том859
DOI
СостояниеОпубликовано - 5 апр 2021

ASJC Scopus subject areas

  • Mechanics of Materials
  • Mechanical Engineering
  • Metals and Alloys
  • Materials Chemistry

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