Effect of free energy on the solid solubility and magnetic behaviour of a mechanically alloyed nanocrystalline Cu-Co-Ti alloy

被引：0
作者：
Chabri, Sumit [1 ]
Samanta, Sayan [2 ]
Roy, Goutam [1 ]
Sarkar, Akhtarujjaman [1 ]
Bera, Supriya [3 ]
机构：
[1] Narula Inst Technol, Dept Mech Engn, Kolkata 700109, India
[2] Brown Univ, Sch Engn, Mat Sci, Providence, RI 02912 USA
[3] Natl Inst Technol, Dept Met & Mat Engn, Durgapur 713209, India
来源：
BULLETIN OF MATERIALS SCIENCE | 2024年 / 47卷 / 03期
关键词：
Mechanical alloying; annealing; Miedema model; magnetic properties; Cu-Co-Ti alloy; PHASE-TRANSFORMATIONS; FE; DEFORMATION; DISORDER; COATINGS; ENTHALPY; POWDER; AG;
D O I：
10.1007/s12034-024-03312-2
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
This study aimed to exploit the potential of the ball-milling method to create a super-saturated solid solution in an immiscible Cu-Co system. The nanocrystalline binary 50Cu-50Co (at%) and ternary 50Cu-40Co-10Ti (at%) alloys produced by ball milling for up to 50 h and afterwards isothermal annealing are examined for microstructure and magnetic characteristics. Ti addition's effects on solid solubility of Co in Cu morphology and magnetic characteristics of the systems were evaluated using cutting-edge techniques, such as X-ray diffraction, differential thermal analyzer, high-resolution transmission electron microscopy and superconducting quantum interference device. The thermodynamic stability of the solutions was assessed using DTA measurement at temperatures ranging from 450 to 650 degrees C. The magnetic value of the ternary alloy after annealing increased up to 550 degrees C before declining to 650 degrees C.
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页数：7
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