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Application of graphite rods in producing Inconel 625 (UNS N06625) joints through the use of microwave radiation energy

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Title Application of graphite rods in producing Inconel 625 (UNS N06625) joints through the use of microwave radiation energy
 
Creator Handa, Vipin
Goyal, Parveen
Sehgal, Shankar
 
Subject Graphite rods
Inconel 625
Joining
Selective microwave hybrid heating
 
Description 378-384
Microwave energy is very efficiently being harnessed to join metallic materials these days. Although, use of microwave
energy to join metallic materials is in its initial stage but, it has led to an outstanding development in the field of
manufacturing. In this research work, joining of Inconel 625 (UNS N06625) without any filler material has been performed
with the help of a novel process by harnessing microwave energy from a 900 W microwave applicator. Major novelty of this
work is the application of graphite rods in accelerating the joining process based on the use of microwave radiation energy
due to which it could become possible to join the Inconel specimens without using any filler powder. Selective microwave
hybrid heating has been performed using six graphite rods and the process time taken for successful joining of Inconel
625 specimens has been 360s. Three repetitions have been done using the mentioned process parameters. Mechanical
characterization of the developed joints has been done with the help of Vickers micro-hardness tester and tensile testing
machine. The mean microhardness of the joints has been observed to be 325.1 HV at the joint region which came out to be
10.32 % more than that of the base alloy. The mean ultimate tensile strength has been observed to be 319.9 MPa with mean
elongation of 5.3% which has been observed to be less than that of the base alloy.
 
Date 2022-07-06T09:14:15Z
2022-07-06T09:14:15Z
2022-07
 
Type Article
 
Identifier 0975-1017 (Online); 0971-4588 (Print)
http://nopr.niscpr.res.in/handle/123456789/60064
 
Language en
 
Publisher NIScPR-CSIR, India
 
Source IJEMS Vol.29(3) [June 2022]