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Impact of thickness on properties of high-entropy and conventional metallic glasses (CROSBI ID 666949)

Prilog sa skupa u zborniku | sažetak izlaganja sa skupa | međunarodna recenzija

Ristić, Ramir ; Kuršumović, Ahmed ; Figueroa, Ignacio ; Babić, Emil Impact of thickness on properties of high-entropy and conventional metallic glasses // Programme and The Book of Abstracts / Uskoković, Dragan ; Radmilović, Velimir (ur.). Beograd: Materials Research Society of Serbia, 2018. str. 108-108

Podaci o odgovornosti

Ristić, Ramir ; Kuršumović, Ahmed ; Figueroa, Ignacio ; Babić, Emil

engleski

Impact of thickness on properties of high-entropy and conventional metallic glasses

Properties of metallic glasses (MG) depend sensitively on the cooling rate (thus thickness for melt-spun ribbons). We present the effect of thickness on properties of high-entropy (TiZrNbCu)100-xNix (x≤50) and conventional binary CuxTE100-x (TE = Ti or Hf, x≤70) and ternary Cu55Hf45-x(Zr, Ti)x (x≤45) glassy ribbons. Both, as-cast and relaxed (short anneal just below glass transition temperature) samples were studied. The mechanical and vibrational properties (ultrasound velocity, Young`s modulus, microhardness, Debye temperature) of as-cast alloys showed clear effect of thickness superposed on that due to composition, whereas those of relaxed samples showed little effect of thickness. Properties of relaxed samples were larger than those of corresponding as-cast alloys and in ternary Cu55 Hf45-x(Zr, Ti)x alloys the effect of relaxation was larger for x=Ti than for Zr which may indicate the interplay between α- and β-relaxations in Cu– base MGs. The effect of cooling rate on mechanical properties provides simple criterion for glass forming ability.

Metallic glasses, Mechanical properties, Thickness

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Podaci o prilogu

108-108.

2018.

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objavljeno

978-86-919111-3-3

Podaci o matičnoj publikaciji

Programme and The Book of Abstracts

Uskoković, Dragan ; Radmilović, Velimir

Beograd: Materials Research Society of Serbia

Podaci o skupu

20th Annual Conference (YUCOMAT 2018)

poster

03.09.2018-07.09.2018

Herceg Novi, Crna Gora

Povezanost rada

Fizika