P.A.V. Sidhartha , Subrata Chakrabarti , Lagudu Yerrinaidu , N. Venkata Sunil Sai , K. Jalaja , M. Kodeeswaran , Aloke Kumar , Balaram Sahoo
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引用次数: 0
Abstract
Soft magnetic materials like AISI 430 steel play an important role in the design of electromagnetic actuators like solenoid valves which find extensive industrial usage. The microstructural changes accompanying annealing treatment in AISI 430 steel and the performance improvement obtained in its magnetic properties is reported in this paper. A vacuum annealing cycle encompassing a total time period of 8 h and carried out at 840 °C followed by controlled cooling has resulted in a microstructure with coarsened grains as characterised using SEM & XRD. This is expected to lead to easy movement of domains during magnetization. A max relative permeability of 3500 approximately could be obtained using the annealing cycle followed in our work. This performance enhancement is expected to be of help in applications requiring steel with good magnetic properties.
期刊介绍：
Materials Letters has an open access mirror journal Materials Letters: X, sharing the same aims and scope, editorial team, submission system and rigorous peer review.
Materials Letters is dedicated to publishing novel, cutting edge reports of broad interest to the materials community. The journal provides a forum for materials scientists and engineers, physicists, and chemists to rapidly communicate on the most important topics in the field of materials.
Contributions include, but are not limited to, a variety of topics such as:
• Materials - Metals and alloys, amorphous solids, ceramics, composites, polymers, semiconductors
• Applications - Structural, opto-electronic, magnetic, medical, MEMS, sensors, smart
• Characterization - Analytical, microscopy, scanning probes, nanoscopic, optical, electrical, magnetic, acoustic, spectroscopic, diffraction
• Novel Materials - Micro and nanostructures (nanowires, nanotubes, nanoparticles), nanocomposites, thin films, superlattices, quantum dots.
• Processing - Crystal growth, thin film processing, sol-gel processing, mechanical processing, assembly, nanocrystalline processing.
• Properties - Mechanical, magnetic, optical, electrical, ferroelectric, thermal, interfacial, transport, thermodynamic
• Synthesis - Quenching, solid state, solidification, solution synthesis, vapor deposition, high pressure, explosive
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