A Giant Magneto-Impedance (GMI) based electromagnetic sensing device has been designed and developed using a nanostructured CoFeSiB microwire as sensing core element. The sensor consists of three segments, (i) signal generation and amplification unit, (ii) transducer with the bridge circuit and (iii) the detection circuit. The sensor output voltage is directly correlated to hardness variation in heat-treated 9Cr-1Mo steel and martensite volume fraction in the deformed 304 SS austenitic stainless steel. The amplitude of GMI voltage in defective welded pipe has also been investigated. The present study indicated that the developed GMI sensor can be applicable for structural health monitoring of service exposed engineering components. © 2012 IEEE.

Amitava Mitra

Department of Physics

IIT Jodhpur

P. Sarkar

R.K. Roy

A.K. Panda

&ldquo;IIT Jodhpur is committed to impart quality education to facilitate the creation of qualified, competent and responsible human resources to meet the emerging technological challenges of the world. It is working towards creating an equitable learning platform that is positive, accessible and effective in the face of the modern societal and scientific advancements.

Flexibility in curriculum, in all its academic programs, encompassing elements of teaching, research, creativity, innovation and entrepreneurship is the most unique feature of IIT Jodhpur. The Department of Science and Technology (DST), under the National Mission on Cyber Physical Systems, has identified IIT Jodhpur as a Technology &amp; Innovation Hub in the area of Augmented Reality and Virtual Reality. The institute has also been nominated as the coordinator for the Jodhpur City and Knowledge Cluster by the Office of Principal Scientific Adviser, Government of India.

The sprawling 852-acre IIT Jodhpur campus is a majestic tribute to the deep-rooted diverse cultural heritage of the region. The campus is an architectural masterpiece, which is slated to become an international exemplar of sustainability with net-zero energy, and advanced water and waste management strategies.&rdquo;

Journal	Proceedings of the International Conference on Sensing Technology, ICST
ISSN	21568065