Ultrafine titanium filaments with a high aspect ratio fabricated by the extraction from Al + Ti composite
KRIZIK, P., BALOG, M., NAGY, S., OROVCIK, L., SISKOVA, A., ECKSTEIN ANDICSOVA, A.
vol. 58 (2020), no. 4, pp. 287 - 292
DOI: 10.4149/km_2020_4_287
Abstract
 Titanium filaments were prepared by the extraction of powder metallurgy fabricated aluminum + titanium composite in sodium hydroxide solution. During the hot extrusion consolidation process, ultrafine aluminum powder particles heavily deformed the titanium powder particles into the titanium filaments of high aspect ratio and micrometric size, which were homogeneously embedded and arrayed in the aluminum matrix. The microstructure and chemistry of extracted titanium filaments were characterized in detail. For the demonstration purpose, the titanium filaments were sintered into a porous material. Key words
aluminum (Al), titanium (Ti) filaments, composite material, extraction, powder metallurgy ![[open article.pdf]](full_yes.gif) Full text (1038 KB)
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