| http://www.w3.org/ns/prov#value | - The work on many types of materials hasshown that when the magnetic field bias, HB, is parallel to the direction of the applied stress, the following conditionsresult: ??? For materials with a positive magnetostriction constant, increasing tension increases the signal magnitude, while increasing compression decreases the amplitude (Fig. 24a) ??? For materials with a negative magnetostriction const
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