Solid-Phase Decarburization of High-Carbon Ferromanganese Powders by Microwave Heating

The solid-phase decarburization of high-carbon ferromanganese powders （HCFPs） was investigated using calcium carbonate as the decarburizer by microwave heating and conventional heating methods to explore the differ-ences of microwave heating and conventional heating. Experimental results show that H...

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Published inJournal of iron and steel research, international Vol. 20; no. 8; pp. 34 - 40
Main Authors Guo, Li-na, Chen, Jin, Shi, Wen-li, Zhao, Jing, Liu, Ke, Liu, Jin-ying
Format Journal Article
LanguageEnglish
Published Singapore Springer Singapore 01.08.2013
Subjects
Applied and Technical Physics
Calcium carbonate
Carbon
Decarburization
Engineering
Ferromanganese
Heating
Iron and steel industry
Machines
Manufacturing
Materials Engineering
Materials Science
Metallic Materials
Microwaves
Physical Chemistry
Processes
Steels
动力学条件
固相
常规加热
微波加热
脱碳
铁粉
锰
高碳
microwave heating
high-carbon ferromanganese powder
conventional heating
solid-phase decarburizaion
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Summary:The solid-phase decarburization of high-carbon ferromanganese powders （HCFPs） was investigated using calcium carbonate as the decarburizer by microwave heating and conventional heating methods to explore the differ-ences of microwave heating and conventional heating. Experimental results show that HCFPs containing calcium.car-bonate were heated up to 900, 1000, 1 100, and 1200 ℃ and held for 60 rain for decarburization by microwave heat-ing at decarburization ratios of 76.69%, 82.90%, 84.11%, and 85. 75%, respectively. These ratios are higher than the decarburization ratios used for conventional heating under the same experimental conditipns. The microwave heat- ing can significantly improve decarburization ratio. This indicates the microwave heating field features a non-thermal effect, which in turn, visibly enhances the carbon diffusion ability of HCFPs. It also improves the kinetic conditions of solid-phase decarburization.
Bibliography:The solid-phase decarburization of high-carbon ferromanganese powders （HCFPs） was investigated using calcium carbonate as the decarburizer by microwave heating and conventional heating methods to explore the differ-ences of microwave heating and conventional heating. Experimental results show that HCFPs containing calcium.car-bonate were heated up to 900, 1000, 1 100, and 1200 ℃ and held for 60 rain for decarburization by microwave heat-ing at decarburization ratios of 76.69%, 82.90%, 84.11%, and 85. 75%, respectively. These ratios are higher than the decarburization ratios used for conventional heating under the same experimental conditipns. The microwave heat- ing can significantly improve decarburization ratio. This indicates the microwave heating field features a non-thermal effect, which in turn, visibly enhances the carbon diffusion ability of HCFPs. It also improves the kinetic conditions of solid-phase decarburization.
11-3678/TF
high-carbon ferromanganese powder; solid-phase decarburization; microwave heating; conventional heating
GUO Li-na , CHEN Jin, SHI Wen-li, ZHAO Jing, LIU Ke, LIU Jin-ying （1. College of Materials Science and Engineering, Taiyuan University of Technology, Taiyuan 030024, Shanxi, China; 2. Lian zhi Technology Corporation of Xiangtan City, Xiangtan 411101, Hunan, China; 3. No. 12 Research Institute, China Electronics Technology Group Corporation, Beijing 100016, China）
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content type line 23
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ISSN:1006-706X
2210-3988
DOI:10.1016/S1006-706X(13)60138-7