The synthesis of nickel aluminides by multilayer self-propagating combustion

1995 ◽  
Vol 26 (3) ◽  
pp. 603-610 ◽  
Author(s):  
T. S. Dyer ◽  
Z. A. Munir
Keyword(s):  
Nickel Aluminides

Microstructure and Properties of Composites Prepared by Reactive Pressure Infiltration of Aluminium into Metal and Ceramic Powder Preforms

2014 ◽  
Vol 782 ◽  
pp. 523-526
Author(s):  
Andrej Opálek ◽  
Karol Iždinský ◽  
Štefan Nagy ◽  
František Simančík ◽  
Pavol Štefánik ◽  
...  
Keyword(s):  
Ceramic Powder ◽  
Nickel Aluminides ◽  
Gas Pressure ◽  
Alumina Powder ◽  
Pressure Infiltration ◽  
X Ray ◽  
Reactive Infiltration ◽  
Melting Temperatures ◽  
Ni Powder ◽  
Properties Of Composites

Nickel aluminides exhibit very attractive high temperature properties. However, due to high melting temperatures they are difficult to prepare. Gas pressure reactive infiltration is a relatively cheap technology that provides composites where nickel aluminides are formed due to mutual reaction between Ni powder and molten aluminium forced to penetrate into powder preform. The feasibility of this concept is demonstrated in this work. Ni powder and/or Ni+25 vol. % Al2O3 powder mixture, respectively, were mechanically pressed and then infiltrated with aluminium using 5 MPa argon gas pressure at the temperature of 750 °C for 120 s. Al/Al2O3 composite using loose alumina powder was prepared in similar manner for comparison. The microstructure of composites was observed by scanning electron microscopy and newly formed intermetallic phases were analysed by energy-dispersive X-ray spectroscopy. Relative elongations during additional thermal cycling up to 800 °C had been recorded. Composites were additionally characterized by hardness measurements.

Alloys based on nickel aluminides

1999 ◽  
Vol 41 (1) ◽  
pp. 36-38 ◽  
Author(s):  
V. P. Buntushkin ◽  
E. N. Kablov ◽  
O. A. Bazyleva ◽  
G. I. Morozova
Keyword(s):  
Nickel Aluminides

SHS Metallurgy of NiAl-Based Alloy

2016 ◽  
Vol 684 ◽  
pp. 353-358 ◽  
Author(s):  
V.I. Yukhvid ◽  
M.I. Alymov ◽  
Vladimir N. Sanin ◽  
D.E. Andreev
Keyword(s):  
Melting Point ◽  
Metal Oxides ◽  
Basic Research ◽  
Reducing Agents ◽  
Nickel Aluminides ◽  
Shs Metallurgy ◽  
Cast Products

Highly caloric mixtures of metal oxides with reducing agents used in SHS metallurgy can burn at combustion temperatures well above the melting point of final products, which ensures formation of cast products. The data of basic research in the field allowed us to suggest methods for manufacturing new cast nickel aluminides based alloy.

Formation of amorphous nickel aluminides under shock-wave loading

1987 ◽  
Vol 5 (3) ◽  
pp. 75-78 ◽  
Author(s):  
I.K. Simonsen ◽  
Y. Horie ◽  
R.A. Graham ◽  
M. Carr
Keyword(s):  
Shock Wave ◽  
Nickel Aluminides ◽  
Shock Wave Loading ◽  
Wave Loading

Shock Synthesis of Nickel Aluminides

1986 ◽  
pp. 743-748 ◽  
Author(s):  
I. K. Simonsen ◽  
Y. Horie ◽  
R. A. Graham
Keyword(s):  
Nickel Aluminides

Thermoimpulsive synthesis of nickel aluminides

1995 ◽  
Vol 30 (6) ◽  
pp. 804-809
Author(s):  
V. N. Antsiferov ◽  
S. A. Mazein
Keyword(s):  
Nickel Aluminides

Nickel Aluminides as a “Filler” for Joining Ceramics and Metals

2006 ◽  
pp. 1608-1613
Author(s):  
D. Kalinski ◽  
M. Chmielewski ◽  
A. Krajewski ◽  
M. Kozlowski
Keyword(s):  
Nickel Aluminides

scholarly journals Synthesis of Complex-Alloyed Nickel Aluminides from Oxide Compounds by Aluminothermic Method

Metals ◽  
2018 ◽  
Vol 8 (6) ◽  
pp. 439 ◽  
Author(s):  
Victor Gostishchev ◽  
Ernst Ri ◽  
Hosen Ri ◽  
Evgeniy Kim ◽  
Michail Ermakov ◽  
...  
Keyword(s):  
Nickel Aluminides ◽  
Alloyed Nickel

Influence of Multi-Walled Carbon Nanotube Addition on the Hardness of NiAl-CNT and NiAl3-CNT Composites

2019 ◽  
Vol 821 ◽  
pp. 54-58
Author(s):  
Mary Ajimegoh Awotunde ◽  
Olusoji Oluremi Ayodele ◽  
Adewale Oladapo Adegbenjo ◽  
Moses Okoro ◽  
Mxolisi Brendon Shongwe ◽  
...  
Keyword(s):  
High Temperature ◽  
Carbon Nanotube ◽  
Spark Plasma Sintering ◽  
Nickel Aluminide ◽  
Structural Materials ◽  
Nickel Aluminides ◽  
Two Stage ◽  
Plasma Sintering ◽  
Multi Walled Carbon Nanotube ◽  
Spark Plasma

Nickel aluminides have shown great potential as high temperature structural materials. In this study, two classes of nickel aluminide were reinforced with 0.5wt% MWCNTs. Starting powders of nickel, aluminium and MWCNTs were ball milled together using a two stage milling regime and consolidated by spark plasma sintering. The effect of MWCNT reinforcement on the hardness of two classes of nickel aluminide was investigated. Microhardness values revealed a lack of dependence on densification for the NiAl3 composites. The microhardness values of NiAl-CNT reduced with MWCNT addition whereas microhardness values of NiAl3-CNT increased with MWCNT addition.

Sign in / Sign up

Export Citation Format

Share Document