High-temperature eddy current probe sensor for monitoring TMC consolidation

Roderick Rowland

doi:10.1117/12.259058

15 November 1996 High-temperature eddy current probe sensor for monitoring TMC consolidation

Roderick Rowland

Proceedings Volume 2944, Nondestructive Evaluation of Materials and Composites; (1996) https://doi.org/10.1117/12.259058
Event: Nondestructive Evaluation Techniques for Aging Infrastructure and Manufacturing, 1996, Scottsdale, AZ, United States

Abstract

Eddy current sensors provide non-contact monitoring of advanced materials during industrial manufacturing. Inducing an alternating electromagnetic field which surrounds and penetrates the material being measured, the eddy current sensor performs highly accurate monitoring of the process. An eddy current sensor is capable of measuring the electrical conductivity and magnetic permeability of a material which can then be correlated to changes in shape and density as well as other properties critical to meet final product design requirements. The proliferation of eddy current technology in the non-destructive evaluation field has been limited to temperatures that are well below those encountered during consolidation of powdered metal and metal matrix composite materials. The drive for net shape forming and cost effective manufacturing, especially with advanced materials, has led to the recent development of a high temperature eddy current monitoring system. The system has been successfully demonstrated at industrial hot isostatic pressing sites. This paper describes the latest high temperature eddy current probe sensor design and how the sensor can be used to monitor and control consolidation of titanium matrix composites.

Citation Download Citation

Roderick Rowland "High-temperature eddy current probe sensor for monitoring TMC consolidation", Proc. SPIE 2944, Nondestructive Evaluation of Materials and Composites, (15 November 1996); https://doi.org/10.1117/12.259058

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