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Electromagnetics and Photonics

Materials Science and Engineering Publications

Nickel

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Hydrogen Charging In Nickel And Iron And Its Effect On Their Magnetic Properties, A. Ramesh, Madhav Rao Govindaraju, David C. Jiles, S. B. Biner, J. M. Roderick Apr 1996

Hydrogen Charging In Nickel And Iron And Its Effect On Their Magnetic Properties, A. Ramesh, Madhav Rao Govindaraju, David C. Jiles, S. B. Biner, J. M. Roderick

Materials Science and Engineering Publications

The current study was undertaken to explore the possibility of detecting hydrogen cavitation in magnetic materials through magnetic propertymeasurements. It is known that dissolved hydrogen in a material causes microvoids. These voids may affect the structure‚Äźsensitive magnetic properties such as coercivity and remanence. In this study, hydrogen was introduced into nickel and iron by two processes, namely thermal charging and cathodic charging. The effect on the magnetic properties was measured. In addition, the variation of the magnetic properties with porosity was studied.