Effect of Additives on Sintering Of Ti3SiC2 Powder

Mane, R B (2014) Effect of Additives on Sintering Of Ti3SiC2 Powder. Masters thesis, Indian Institute of Technology, Hyderabad.

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TSC has a potential for high temperature applications. For high temperature structural application, parts with good strength & oxidation resistance materials are always desirable. The aim of the present study is to produce high purity TSC powder, high density parts of TSC by using pressureless sintering, with some sintering aids like Si, Ni etc. Effects of sintering aid on sintering kinetics have been studied. This work attempts to study the sintering mechanism of TSC compound using dilatometer experiments under pressureless condition, Diffusion parameters, such as coefficient of diffusion and activation energy have been estimated. The present investigation focused on the non-isothermal sintering as well as isothermal sintering behavior. Activation energy for densification during non-isothermal heating was calculated using Young and Cutler’s equation for different sintering mechanisms, it was observed that the values of activation energies increases with addition of sintering aids (Nickel). The Johnson Model was used for isothermal sintering study for TSC samples. Grain boundary diffusion coefficient and volume diffusion coefficient were calculated with the function of particle size and time. Keywords: MAX phase, sintering, activation energy, diffusion, sintering aids.

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IITH Creators:
IITH CreatorsORCiD
Item Type: Thesis (Masters)
Uncontrolled Keywords: TD200
Subjects: Others > Metallurgy
Materials Engineering > Materials engineering
Divisions: Department of Material Science Engineering
Depositing User: Users 4 not found.
Date Deposited: 09 Oct 2014 14:15
Last Modified: 26 Apr 2019 10:26
URI: http://raiith.iith.ac.in/id/eprint/173
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