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Study of structure-properties (corrosion and mechanical) of TRIP-assisted steels by nondestructive testing

Animesh Talapatra*, N.R. Bandhyopadhyay**, Jayati Datta***

* Department of Automobile Engineering, MCKV Institute of Engineering, Liluah, West Bengal, India.

** Professor & Director, School of Materials Science and Engineering, BESU, Howrah, West Bengal, India.

*** Professor & H.O.D, Chemistry Department, BESU, Howrah, West Bengal.

Periodicity:November - January'2013
DOI : https://doi.org/10.26634/jme.3.1.2086

Abstract

In the present study, two TRIP-assisted steels were designated as A (having no Cr and Cu content) and B (having higher Ni, Cr and Cu content) heat treated under different conditions, and the correlation between its heatreatment, microstructure and properties were investigated. Micro structural examination was carried out by optical microscope and scanning electron microscope after electrolytic etching. Non-destructive electrochemical and ultrasonic testing on two TRIP-assisted steels was used to find out corrosion and mechanical properties of different alter microstructure phase’s steels. Furthermore, micro structural studies accompanied by the evaluation of mechanical properties revealed that steels having martensite phases with higher corrosive and hardness value were less sound velocity and also steel’s microstructure having finer grains that was more grain boundary was less corrosion resistance. Steel containing more Cu, Ni and Cr was less corrosive compared to other steels having same processing or microstructure.

Keywords

TRIP-Assisted Steels, Heat Treatment, Corrosion, Electrochemical Techniques, Micro-Structural Characterization, Non-Destructive (Ultrasonic) Technique.

How to Cite this Article?

Talapatra, A., Bandhyopadhyay, N. R., & Datta, J. (2013). Study of structure-properties (corrosion and mechanical) of TRIP-assisted steels by nondestructive testing. i-manager's Journal on Mechanical Engineering, 3(1), 37-43. https://doi.org/10.26634/jme.3.1.2086

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