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Название: The effect of alloying on the ordering processes in near-alpha titanium alloys
Авторы: Popov, A.
Rossina, N.
Popova, M.
Дата публикации: 2013
Библиографическое описание: Popov A. The effect of alloying on the ordering processes in near-alpha titanium alloys / A. Popov, N. Rossina, M. Popova // Materials Science and Engineering A. — 2013. — Vol. 564. — P. 284-287.
Аннотация: The substructure of near-alpha Ti-Al-Sn-Zr-Mo-Si alloys containing up to 12.5. at% aluminum was studied by transmission electron microscopy (TEM). It was shown that long-range order sections are formed at aging temperatures up to 500. °C in alloys, high in aluminum, and the ordered phase is formed by the nucleation and growth mechanism at 700. °C aging temperatures. Causes of changing the phase transformation mechanism have been discussed, and the relationship between the structure and properties of alloys, depending on modes of heat treatment has been analyzed. Also the influence of aluminides and silicides precipitation on the mechanical alloy properties after aging was examined. It was shown that the aluminide formation led to a slight hardening and a significant viscosity decrease. The silicide particles formation reduced the heat resistance properties, due to the depletion of the solid solution by silicon. © 2012 Elsevier B.V.
Ключевые слова: AGING
ELECTRON MICROSCOPE
ORDERING
PHASE TRANSFORMATION
PRECIPITATION
TITANIUM ALLOYS
AGING TEMPERATURES
ALUMINIDES
LONG RANGE ORDERS
MECHANICAL ALLOYS
NUCLEATION AND GROWTH
ORDERED PHASE
ORDERING
ORDERING PROCESS
PHASE TRANSFORMATION MECHANISMS
RESISTANCE PROPERTIES
STRUCTURE AND PROPERTIES
TRANSMISSION ELECTRON MICROSCOPY TEM
AGING OF MATERIALS
ALUMINUM
ELECTRON MICROSCOPES
HARDENING
HEAT RESISTANCE
MECHANICAL ALLOYING
PHASE TRANSITIONS
PRECIPITATION (CHEMICAL)
SILICIDES
TIN
TITANIUM ALLOYS
TRANSMISSION ELECTRON MICROSCOPY
ZIRCONIUM
SILICON ALLOYS
URI: http://elar.urfu.ru/handle/10995/27488
Идентификатор SCOPUS: 84871571064
Идентификатор WOS: 000315748100037
Идентификатор PURE: 911775
ISSN: 0921-5093
DOI: 10.1016/j.msea.2012.11.043
Располагается в коллекциях:Научные публикации ученых УрФУ, проиндексированные в SCOPUS и WoS CC

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