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Andrius Miniotas

Hans Ling

Håkan F Wintzell

Per S Gustafsson

Mingsheng Wang

A measuring device including a layer of a magnetoelastic alloy formed on a load-carrying member. The layer is intended for measuring stresses induced by a force applied to the load-carrying member. An average grain size of the layer is in the range of 100 nm to 10000 nm. A method for production of the layer.

Measuring device including a layer of a magnetoelastic alloy and a method for production thereof

A sensor for measuring stresses induced by a force applied to a load-carrying member, including a layer of a magnetoelastic material formed on the load-carrying member is provided. The layer comprises a first phase with an average grain size below 100 nm and a first chemical composition, and a second phase of a distinctly different chemical composition, the first phase being divided by the second phase into regions having an average size in the range of 100-10,000 nm. A method for producing such a layer, including accelerating particles of a soft magnetic and magnetoelastic material having an average size in the range of 10-50 &#x3bc;m towards the surface of the load-carrying member at a velocity of at least 300 m/s such that the average temperature of the accelerated particles is not higher than 500&#xb0; C. above the melting temperature of the magnetoelastic material, but not lower than 500&#xb0; C. below the melting temperature.

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Västerås, Sweden

Andrius Miniotas