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THE EFFECT OF NITRIDING A MARTENSITIC STAINLESS STEEL WITH RESPECT TO TEMPERATURE VARIATION

ZAHARI, MOHD ZULFADZLI (2011) THE EFFECT OF NITRIDING A MARTENSITIC STAINLESS STEEL WITH RESPECT TO TEMPERATURE VARIATION. Universiti Teknologi Petronas. (Unpublished)

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Abstract

This project is a study on solution nitriding of martensitic stainless steel. It consists of project's background, literature reviews, methodology, and all the process and procedures related to the project. Nitriding is one of the heat treatment method used for strengthening the material by diffusing the nitrogen into the surface of martensitic stainless steel. The objective of this project is to study the effect of nitriding of AISI 410 martensitic stainless steel at different temperature which are 950"C, 1 OOO"C and 1 050°C under nitriding time of 6 hours. Next is to evaluate the changes in the microstructure surface and also to evaluate the hardness of the nitrided martensitic stainless steel. In order to achieve the objectives, the metallographic study, and hardness test was performed. Field Emission Scanning Electron Microscope (FESEM), Optical microscope (OM), Vickers Microhardness tester has been used to study the nitride surface. Results from the hardness test shows an increment in the hardness value of the nitride samples from 254HV (as received) to 385.1HV (nitrided at 1050"C). Based on that, nitrogen diffuses into the surface better at high temperature. Hence, it strengthens and also improves the hardness of the martensitic stainless steel.

Item Type: Final Year Project
Academic Subject : Academic Department - Mechanical Engineering - Materials - Corrosion engineering - Degradation of materials due to temperature, stress and environment
Subject: T Technology > TJ Mechanical engineering and machinery
Divisions: Engineering > Mechanical
Depositing User: Users 2053 not found.
Date Deposited: 09 Oct 2013 11:07
Last Modified: 25 Jan 2017 09:42
URI: http://utpedia.utp.edu.my/id/eprint/8735

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