Improving mechanical properties of wire-based EBAM Ti-6Al-4V parts by adding TiC powders / R. D. Rodriguez (Rodriges) Contreras, S. V. Shchadenko, G. V. Murastov [et al.]
Уровень набора: Material Design and Processing Communications (MDPS)Язык: английский.Страна: .Резюме или реферат: This paper addresses the problem of enlarging the strength of Ti-6Al-4V titanium parts fabricated by wire-based electron-beam additive manufacturing (EBAM) technology. The investigations on microstructure and phase composition of wire-based EBAM Ti-6Al-4V samples as well the as EBAM TiCx/Ti-6Al-4V ones fabricated by electron beam melting of titanium Ti-6Al-4V wire with simultaneous supply of TiC powder were performed. It is shown that adding of TiC powder into a molten pool significantly affects the microstructure and volume fraction of retained β phase in the EBAM-built parts. The main conclusion made postulates that the combination of wire feeding-based EBAM and direct metal deposition technology, which utilizes a feed nozzle to supply the ceramic powder into a molten pool, provides an ample opportunity to produce EBAM TiCx/Ti-6Al-4V samples with increased microhardness and tensile strength..Примечания о наличии в документе библиографии/указателя: [References: 16 tit.].Тематика: электронный ресурс | труды учёных ТПУ | additive materials | composites | mechanical properties | microstructure | Ti-6Al-4V | механические свойства | аддитивные технологии | композиты | микроструктуры Ресурсы он-лайн:Щелкните здесь для доступа в онлайнTitle screen
[References: 16 tit.]
This paper addresses the problem of enlarging the strength of Ti-6Al-4V titanium parts fabricated by wire-based electron-beam additive manufacturing (EBAM) technology. The investigations on microstructure and phase composition of wire-based EBAM Ti-6Al-4V samples as well the as EBAM TiCx/Ti-6Al-4V ones fabricated by electron beam melting of titanium Ti-6Al-4V wire with simultaneous supply of TiC powder were performed. It is shown that adding of TiC powder into a molten pool significantly affects the microstructure and volume fraction of retained β phase in the EBAM-built parts. The main conclusion made postulates that the combination of wire feeding-based EBAM and direct metal deposition technology, which utilizes a feed nozzle to supply the ceramic powder into a molten pool, provides an ample opportunity to produce EBAM TiCx/Ti-6Al-4V samples with increased microhardness and tensile strength.
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