Результаты исследований: Научные публикации в периодических изданиях › статья › Рецензирование
Mechanochemical Synthesis of Cu–Al Alloyed Powders and Their Consolidation by Spark Plasma Sintering. / Grigoreva, T. F.; Petrova, S. A.; Kovaleva, S. A. и др.
в: Physics of Metals and Metallography, Том 122, № 7, 07.2021, стр. 681-687.Результаты исследований: Научные публикации в периодических изданиях › статья › Рецензирование
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TY - JOUR
T1 - Mechanochemical Synthesis of Cu–Al Alloyed Powders and Their Consolidation by Spark Plasma Sintering
AU - Grigoreva, T. F.
AU - Petrova, S. A.
AU - Kovaleva, S. A.
AU - Dudina, D. V.
AU - Batraev, I. S.
AU - Kiseleva, T. Yu
AU - Zholudev, S. I.
AU - Vosmerikov, S. V.
AU - Devyatkina, E. T.
AU - Udalova, T. A.
AU - Polyakov, S. N.
AU - Lyakhov, N. Z.
N1 - Funding Information: The work was supported by the RFBR No. 20-53-00037 and BRFBR no. Т20Р-037. Publisher Copyright: © 2021, Pleiades Publishing, Ltd.
PY - 2021/7
Y1 - 2021/7
N2 - The mechanochemically synthesized Cu–20 wt % Al alloys are studied by the X-ray diffraction analysis and scanning electron microscopy. It is shown that, after 20 min of mechanical activation, the single-phase intermetallic compound Cu9Al4 with crystallites ~3 nm in size, low microstrains (~0.03%), and particle size in the range from 0.2–0.4 to 2–4 μm is formed. The morphological characteristics of the solid solution of aluminum in copper, which has been mechanochemically synthesized from the Cu–10 wt % Al alloy, are studied. It is demonstrated that the solid solution is composed of platelike particles 10–50 μm in planar size and 2–10 μm in thickness. The scanning electron and optical microscopy data show that the Cu(Al) solid solution produced by the spark plasma sintering at 700°С are characterized by the low residual porosity (<0.5%). The Vickers hardness is 290 ± 30 HV.
AB - The mechanochemically synthesized Cu–20 wt % Al alloys are studied by the X-ray diffraction analysis and scanning electron microscopy. It is shown that, after 20 min of mechanical activation, the single-phase intermetallic compound Cu9Al4 with crystallites ~3 nm in size, low microstrains (~0.03%), and particle size in the range from 0.2–0.4 to 2–4 μm is formed. The morphological characteristics of the solid solution of aluminum in copper, which has been mechanochemically synthesized from the Cu–10 wt % Al alloy, are studied. It is demonstrated that the solid solution is composed of platelike particles 10–50 μm in planar size and 2–10 μm in thickness. The scanning electron and optical microscopy data show that the Cu(Al) solid solution produced by the spark plasma sintering at 700°С are characterized by the low residual porosity (<0.5%). The Vickers hardness is 290 ± 30 HV.
KW - CuAl intermetallics
KW - mechanochemical synthesis
KW - scanning electron microscopy
KW - solid solution of aluminum in copper
KW - spark plasma sintering
KW - X-ray diffraction analysis
UR - http://www.scopus.com/inward/record.url?scp=85114026984&partnerID=8YFLogxK
U2 - 10.1134/S0031918X21070024
DO - 10.1134/S0031918X21070024
M3 - Article
AN - SCOPUS:85114026984
VL - 122
SP - 681
EP - 687
JO - Physics of Metals and Metallography
JF - Physics of Metals and Metallography
SN - 0031-918X
IS - 7
ER -
ID: 34145901