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Materials Science and Engineering

Curie temperature

2003

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Full-Text Articles in Physics

Magnetism, Elasticity, And Magnetostriction Of Fecoga Alloys, Liyang Dai, James Cullen, Manfred Wuttig, Thomas A. Lograsso, Eckhard Quandt May 2003

Magnetism, Elasticity, And Magnetostriction Of Fecoga Alloys, Liyang Dai, James Cullen, Manfred Wuttig, Thomas A. Lograsso, Eckhard Quandt

Ames Laboratory Publications

It is known that the substitution of Co for Fe gives rise to increases in magnetization and Curie temperature, not only in the bcc metals, but also in intermetallic compounds and alloys as well. With the expectation that this is the case in Co-substituted FeGa, we measured magnetization, Curie temperature, magnetostriction and elastic constants of a series of polycrystalline FeCoGa ternary alloys with up to 17% Ga and up to 10% Co. The magnetostriction at saturation for Fe0.93−xCo.07Gax increases to 90 ppm for x=0.17. For larger percentages of Co, the rise ...