Effects of Reducing Agents and Pre-Sintering Annealing on Phase Changes During the Sintering of W-Type Ferrites

IF 0.4 4区工程技术 Q4 ENGINEERING, ELECTRICAL & ELECTRONIC

Electronics and Communications in Japan Pub Date : 2025-09-08 DOI:10.1002/ecj.12501

Gaku Obara, Takumi Takahashi, Takayuki Honda, Thomas Schulz, Jörg Töpfer

引用次数: 0

Abstract

W-type ferrites are easily decomposed into M-type ferrite and spinel ferrite during the sintering process, so it is difficult to obtain W-type single-phase sintered bodies. Therefore, carbon as a reducing agent is added and heat treatment before sintering is performed. However, the effect of these treatments on the change in the crystal phase during sintering has not been clarified in detail. In this study, the effect of carbon addition and heat treatment before sintering on the change in the crystal phase during sintering was investigated in detail by removing the samples from the electrical furnace during sintering. Furthermore, similar experiments were carried out with the addition of CaCO₃ and SiO₂ as sintering aids.

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还原剂和预烧结退火对w型铁氧体烧结相变的影响

w型铁素体在烧结过程中容易分解为m型铁素体和尖晶石铁素体，因此很难获得w型单相烧结体。因此，加入碳作为还原剂，并在烧结前进行热处理。然而，这些处理对烧结过程中晶相变化的影响尚未得到详细的阐明。在本研究中，通过烧结过程中从电炉中取出样品，详细研究了加碳和烧结前热处理对烧结过程中晶相变化的影响。此外，还对CaCO3和SiO2作为助烧剂进行了类似的实验。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Electronics and Communications in Japan 工程技术-工程：电子与电气

CiteScore

0.60

自引率

0.00%

发文量

审稿时长

6-12 weeks

期刊介绍： Electronics and Communications in Japan (ECJ) publishes papers translated from the Transactions of the Institute of Electrical Engineers of Japan 12 times per year as an official journal of the Institute of Electrical Engineers of Japan (IEEJ). ECJ aims to provide world-class researches in highly diverse and sophisticated areas of Electrical and Electronic Engineering as well as in related disciplines with emphasis on electronic circuits, controls and communications. ECJ focuses on the following fields: - Electronic theory and circuits, - Control theory, - Communications, - Cryptography, - Biomedical fields, - Surveillance, - Robotics, - Sensors and actuators, - Micromachines, - Image analysis and signal analysis, - New materials. For works related to the science, technology, and applications of electric power, please refer to the sister journal Electrical Engineering in Japan (EEJ).