Fabrication of the Ni3Al-based alloy formed by spark plasma sintering of VKNA powders

The material based on Ni3Al intermetallic has been obtained from the industrial powder of a VKNA type by the method of spark plasma sintering. Materials sintering was conducted at the temperature of 1100 °C, compacting pressure of 20 MPa, and during soaking time equal to 5 minutes. The heating rate...

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Bibliographic Details
Published in:IOP conference series. Materials Science and Engineering 2016-04, Vol.124 (1)
Main Authors: Shevtsova, L I, Ivashutenko, A S, Martyushev, N V, Kuzmin, R I
Format: Article
Language:English
Subjects:
Bend strength
Compacting
Heating rate
Nickel aluminides
Plasma sintering
Sintering (powder metallurgy)
Spark plasma sintering
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Summary:The material based on Ni3Al intermetallic has been obtained from the industrial powder of a VKNA type by the method of spark plasma sintering. Materials sintering was conducted at the temperature of 1100 °C, compacting pressure of 20 MPa, and during soaking time equal to 5 minutes. The heating rate of samples amounted to 50 and 200 °C/min. It has been established that the material obtained by sintering at the rate of 50 °C/min possesses a maximum value of density (5.93 g/cm3) and a maximum level of bending strength (~ 400 MPa).
ISSN:1757-8981
1757-899X
DOI:10.1088/1757-899X/124/1/012113