Effect of thermal treatment on structure and Curie temperature of Ni-Cu (70. 4-29. 6; W/W) ferromagnetic alloy

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Mohagheghpour Elham; Gholamipour Reza; RAJABI MARJAN; SHEIBANI SHAHAB; MOJTAHEDZADEH LARIJANI MAJID

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Journal: METALLURGICAL ENGINEERING Year:2018 | Volume:21 | Issue:2 (70) Page(s): 88-94

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Title

Effect of thermal treatment on structure and Curie temperature of Ni-Cu (70. 4-29. 6; W/W) ferromagnetic alloy

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Keywords

Curie temperatureQ2

thermal treatmentQ2

homogenizationQ2

clusteringQ1

order-disorder transitionQ1

Abstract

Ni-Cu (70. 4-29. 6; wt%) alloy was prepared by a Vacuum Arc Remelting (VAR) furnace and the effect of thermal treatment on structure and Curie temperature was investigated. The results of Inductively Coupled Plasma(ICP) and EDS analysis showed that specimens with 4 times remeltingwere homogenized. The Curie temperature of alloy that measured by vibrating sample magnetometry (VSM)under condition of slow cooling across from order-disorder transition of alloy was higher than specimens quenched from recrystallization temperature. Curietemperature (TC) of alloy that quenched after melting was 60 oC, TC of sample that annealed in 1000 oC for 24 hours then quenched in water was 40 oC and sample that after annealing twice heated up to 70 oC was 45. 5° C. The d-spacing of the specimen without heat treatment, calculated byX-Ray Diffraction, had a little increase due to clustering. In addition, the surface morphology by optical microscope confirmed this behavior of Cu– Ni alloys in the different heat treatment.

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APA: Copy

Mohagheghpour, Elham, Gholamipour, Reza, RAJABI, MARJAN, SHEIBANI, SHAHAB, & MOJTAHEDZADEH LARIJANI, MAJID. (2018). Effect of thermal treatment on structure and Curie temperature of Ni-Cu (70. 4-29. 6; W/W) ferromagnetic alloy. METALLURGICAL ENGINEERING, 21(2 (70) ), 88-94. SID. https://sid.ir/paper/400370/en

Vancouver: Copy

Mohagheghpour Elham, Gholamipour Reza, RAJABI MARJAN, SHEIBANI SHAHAB, MOJTAHEDZADEH LARIJANI MAJID. Effect of thermal treatment on structure and Curie temperature of Ni-Cu (70. 4-29. 6; W/W) ferromagnetic alloy. METALLURGICAL ENGINEERING[Internet]. 2018;21(2 (70) ):88-94. Available from: https://sid.ir/paper/400370/en

IEEE: Copy

Elham Mohagheghpour, Reza Gholamipour, MARJAN RAJABI, SHAHAB SHEIBANI, and MAJID MOJTAHEDZADEH LARIJANI, “Effect of thermal treatment on structure and Curie temperature of Ni-Cu (70. 4-29. 6; W/W) ferromagnetic alloy,” METALLURGICAL ENGINEERING, vol. 21, no. 2 (70) , pp. 88–94, 2018, [Online]. Available: https://sid.ir/paper/400370/en

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