Cobalt Vanadium Iron Iron

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cobalt vanadium iron iron is an excellent choice for many applications that require high strength, ductility and magnetic properties. It maintains good tensile properties after heat treatment, making it ideal for high stress applications. It is also known for its excellent fatigue resistance, high magnetostriction and low core loss. It is readily available in the form of strip, plate and rods. PAUL provides this material in standard sizes or can custom make them to your specifications. Please contact us for more information or to request a quote.

Cobalt-vanadium-iron-alloys such as Permendur 49 are widely used in magnetic and high-temperature applications because of their excellent magnetic and mechanical properties. The alloys contain 47.5 to 50.5 weight percent cobalt, 1.7 to 2.1% vanadium, a controlled carbon content of 0.025 to 0.1% and the balance essentially iron. The alloys have the advantage of increased yield strength and relative insensitivity to normal variations in annealing conditions. The tensile and fatigue strengths of the alloys are substantially higher than those of the prior art cobalt-cobalt alloys.

The rates of ordering and antiphase domain coalescence during isothermal annealing of quenched equiatomic cobalt and cobalt-cobalt-vanadium alloys have been studied by the use of X-ray diffraction (superlattice line intensity and breadth, lattice parameter and magnetic-saturation measurements). The results show that additions of vanadium up to 2.5% do not affect the transformation kinetics or the rate of ordering, but they do decrease the critical temperature for order by 11°C.