Effect of ball milling on formation of ZnAl2O4 by reduction reaction of ZnO and Al powder mixture

2011 ◽  
Vol 50 (5-6) ◽  
pp. 268-274 ◽  
Author(s):  
A. Hedayati ◽  
Z. Golestan ◽  
Kh. Ranjbar ◽  
G. H. Borhani
Author(s):  
Ivan A. Ditenberg ◽  
Denis A. Osipov ◽  
Michail A. Korchagin ◽  
Ivan V. Smirnov ◽  
Konstantin V. Grinyaev ◽  
...  

2013 ◽  
Vol 577 ◽  
pp. 600-605 ◽  
Author(s):  
A.S. Rogachev ◽  
N.F. Shkodich ◽  
S.G. Vadchenko ◽  
F. Baras ◽  
D.Yu. Kovalev ◽  
...  

2006 ◽  
Vol 102 (5) ◽  
pp. 541-544
Author(s):  
F. Kh. Akopov ◽  
V. M. Gabuniya ◽  
G. I. Mamniashvili ◽  
G. S. Martkoplishvili ◽  
G. Sh. Oniashvili ◽  
...  
Keyword(s):  

1998 ◽  
Vol 35 (2) ◽  
pp. 118-124 ◽  
Author(s):  
Haruhisa SHIOMI ◽  
Hiroyuki HAYASHIDA ◽  
Masahiko NAKAMURA
Keyword(s):  

2017 ◽  
Vol 62 (2) ◽  
pp. 1293-1297 ◽  
Author(s):  
S.Y. Chang ◽  
H.S. Jang ◽  
Y.H. Yoon ◽  
Y.H. Kim ◽  
J.Y. Kim ◽  
...  

AbstractElectrical discharges using a capacitance of 450 μF at 0.5, 1.0, and 1.5 kJ input energies were applied in a N2atmosphere to obtain the mechanical alloyed Ti3Al powder without applying any external pressure. A solid bulk of nanostructured Ti3Al was obtained as short as 160 μsec by the Electrical discharge. At the same time, the surface has been modified into the form of Ti and Al nitrides due to the diffusion process of nitrogen to the surface. The input energy was found to be the most important parameter to affect the formation of a solid core and surface chemistry of the compact.


2018 ◽  
Vol 243 ◽  
pp. 00010 ◽  
Author(s):  
Ilya Zhukov ◽  
Vladimir Promakhov ◽  
Yana Dubkova ◽  
Alexey Matveev ◽  
Mansur Ziatdinov ◽  
...  

The paper presents microstructure, composition, and burning rate of Al alloy produced by high-temperature synthesis (SHS) from powder mixture Al-Ti-B4C with different concentration of Al powder. It has been established that the phase composition of materials obtained at gas-free combustion includes TiB2, Al, and TiC. It is shown that Al content growth powder in initial Al-Ti- B4C mixture from 7.5 to 40 wt.% reduces the burning rate of the powder from 9*10-3 to 1.8*10-3 m/s. For the system consisting of 60 wt.% of (Ti + B4C) and 40 wt.% of Al there is the increase in the porosity of the compacted initial powder mixture from 30 to 51 and reduction in the burning rate from 1.8 * 10-3 to 1 * 10-3 m/s. The introduction of 0.2 wt.% of the obtained SHS materials into the melt of pure aluminum causes reduction of the grain size of the resulting alloy from 1200 to 410 μm.


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