Analysis of relation between ultrasonic testing and microstructure: a step towards highly reliable fault detection

Authors

  • Ashish Khaira Maulana Azad National Institute of Technology-India
  • Sanjay Srivastava Maulana Azad National Institute of Technology-India
  • Amit Suhane Maulana Azad National Institute of Technology-India

Keywords:

non-destructive testing, ultrasonic testing, grain size

Abstract

In conventional ultrasonic nondestructive condition monitoring, the testing personnel use their testing experience to interpret defects by analyzing the ultrasonic echo. Owing to the coarse material structure, the ultrasonic waves are more attenuated and from time to time they give a deceitful impression of defect and thus provide unreliable results. The conventional inspection method is too subjective to be used and highly relies on the effectiveness of testing personnel and consequently inspection reliability is very low. Therefore, to mitigate these limitations, a multi-interrogation ultrasonic technique and correlation of several parameters such as attenuation, acoustic velocity and grain size with material features are covered by this paper.

Author Biographies

Ashish Khaira, Maulana Azad National Institute of Technology-India

Research Scholar, Mechanical Engineering Department

Sanjay Srivastava, Maulana Azad National Institute of Technology-India

Designation: Associate Professor Department of Material science & Metallurgical Engg., MANIT, Bhopal (M.P.)

Amit Suhane, Maulana Azad National Institute of Technology-India

Designation : Assistant ProfessorMechanical Engineering Department

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Published

2015-05-27

Issue

Engineering Review, Vol. 35, No. 2

Section

Articles

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