intermetallic inclusion
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Simulation of the Ni3Al intermetallic inclusion growth process during direct laser deposition using Ni-based superalloy powder

2020 ◽  
Vol 30 ◽  
pp. 756-760 ◽  
Author(s):  
Andrey V. Alekseev ◽  
Gleb A. Turichin ◽  
Olga G. Klimova-Korsmik ◽  
Ekaterina A. Valdaytseva ◽  
Mariia V. Rashkovets ◽  
...  
Keyword(s):  
Growth Process ◽  
Laser Deposition ◽  
Direct Laser Deposition ◽  
Intermetallic Inclusion ◽  
Direct Laser ◽  
Ni3al Intermetallic ◽  
Superalloy Powder

Modeling of the Formation Process of the Coherent Intermetallides in Nickel Alloys during Laser Treatment

2019 ◽  
Vol 822 ◽  
pp. 438-444 ◽  
Author(s):  
Andrey V. Alekseev ◽  
Ekaterina A. Valdaitseva ◽  
Vladimir L. Aleksandrov
Keyword(s):  
Laser Treatment ◽  
Reaction Rate ◽  
Treatment Process ◽  
Reaction Rate Constant ◽  
Process Time ◽  
Al Alloy ◽  
Chemical Reaction Rate Constant ◽  
Intermetallic Inclusion ◽  
Laser Cladding Process ◽  
New Phase

A solution for new phase inclusion growth is suggested for the case of the Ni-based alloys. This solution takes into account a chemical composition of the alloy and conditions of the laser treatment process. A method for calculation of the chemical reaction rate constant is also suggested for the Ni3Al formation in the Ni-Al alloy. Modeling is fulfilled for the laser cladding process. Time dependences for the reacting component concentration is obtained as well as for intermetallic inclusion growth and thermal cycle.

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