Siliconizing of Iron by Molten Magnesium-Silicon Alloy Bath
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- SAIKAWA Hiroshi
- Chiba Institute of Technology
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- ONO Tohru
- Graduate Student, Chiba Institute of Technology, now Asahi Diamond Co., Ltd.
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- MINEGISHI Tomoya
- Chiba Institute of Technology
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- MOROZUMI Shotaro
- Magnesium Research Center, Chiba Institute of Technology.
Bibliographic Information
- Other Title
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- 溶融マグネシウム-珪素浴による鉄鋼の珪素浸透法
- ヨウユウ マグネシウム ケイソヨク ニヨル テッコウ ノ ケイソ シントウホウ
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Abstract
A molten magnesium-silicon alloy bath containing 1 to 12 mass% of silicon was used for siliconizing iron by keeping the specimen in the bath for 180-900s at 973-1123K. The composition of siliconized layer, which consisted of fine-grained and columnar-grained sublayers, was identified almost the same as Fe3Si, using the Energy Dispersive Spectrometer and the X-ray Diffractometer. Micro-Vickers hardness number of the layer was about 500. The thickness of the layer varied with the siliconizing temperature and time. Then the diffusion coefficient was calculated as, <BR>D=1.91×10-4exp[-152.6(kJ/mol)/RT] (m2/s) for Mg-3%Si alloy bath, and<BR>D=4.54×10-4exp[-163.5(kJ/mol)/RT] (m2/s) for Mg-12%Si alloy bath.<BR>On the growing way of the columnar-grained sublayer which is thicker than the fine-grained sublayer, insoluble particles deposited on the surface of the specimen can be taken and dispersed into the layer by this siliconizing process.
Journal
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- Tetsu-to-Hagane
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Tetsu-to-Hagane 83 (7), 437-441, 1997
The Iron and Steel Institute of Japan
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Keywords
Details 詳細情報について
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- CRID
- 1390282680161027072
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- NII Article ID
- 110001481697
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- NII Book ID
- AN00151251
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- ISSN
- 18832954
- 00211575
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- NDL BIB ID
- 4249021
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- Data Source
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- JaLC
- NDL
- Crossref
- CiNii Articles
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- Abstract License Flag
- Disallowed