2018
DOI: 10.15407/mfint.40.09.1231
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Influence of High Rates of Cooling on a Phase Composition and Physical Properties of the Co–Be and Cu–Be Alloys

Abstract: Методом закалки из жидкого состояния (ЗЖС) в сплавах Co-Be и CuBe обнаружено образование однородных сильнопересыщенных (до 23 ат.%Ве в сплаве Со-Ве и до 31,4 ат.%Ве в сплаве Сu-Ве) твёрдых растворов, имеющих состав исходной жидкости (С 0). При максимально достигнутых (10 7 К/с) скоростях охлаждения расплава, достаточных для формирования твёрдого аморфного состояния, не удаётся, однако, предотвратить процессы упорядочения в конгруэнтной эквиатомной фазе Co-Be (тип CsCl). В то же время для сплава Cu-Ве показано,… Show more

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“…Currently, the following approaches are used to obtain new metallic materials with improved characteristics: 1) applying of modern methods of fast crystallization with cooling rates from 10 6 K/s (liquid quenching) to 10 12 K/s (vapor quenching) [1][2][3][4]; 2) evaluation of properties of the crystal lattices at the atomic level [5,6]; 3) the development of multicomponent high-entropy alloys [7,8]; 4) the use of practical experience in quenching methods improving [9].…”
mentioning
confidence: 99%
“…Currently, the following approaches are used to obtain new metallic materials with improved characteristics: 1) applying of modern methods of fast crystallization with cooling rates from 10 6 K/s (liquid quenching) to 10 12 K/s (vapor quenching) [1][2][3][4]; 2) evaluation of properties of the crystal lattices at the atomic level [5,6]; 3) the development of multicomponent high-entropy alloys [7,8]; 4) the use of practical experience in quenching methods improving [9].…”
mentioning
confidence: 99%