Kinetic investigation of AISI 304 Stainless Steel boronized in indirect heated fluidized bed furnace
In this study, kinetic examinations on boronized AISI 304 Stainless Steel samples were described. Samples were boronized in indirect heated fluidized bed furnace consists of Ekabor 1™ boronizing agent at 1123, 1223 and 1323 K for 1,2 and 4 hours. Morphologically and typically examinations o...
| Main Authors: | , , |
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| Format: | Article |
| Language: | English |
| Published: |
Technical Faculty, Bor
2016-01-01
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| Series: | Journal of Mining and Metallurgy. Section B: Metallurgy |
| Subjects: | |
| Online Access: | http://www.doiserbia.nb.rs/img/doi/1450-5339/2016/1450-53391600007T.pdf |
| Summary: | In this study, kinetic examinations on boronized AISI 304 Stainless Steel
samples were described. Samples were boronized in indirect heated fluidized
bed furnace consists of Ekabor 1™ boronizing agent at 1123, 1223 and 1323 K
for 1,2 and 4 hours. Morphologically and typically examinations of borides
formed on the surface of steel samples were studied by optical microscope,
scanning electron microscope (SEM) and X-Ray diffraction (XRD). Boride layer
thickness formed on the steel X5CrNi 18-10 ranges from 12 to 176 μm. The
hardness of the boride layer formed on the steel X5CrNi 18-10 varied between
1709 and 2119 Hv0,1. Layer growth kinetics were analyzed by measuring the
extent of penetration of FeB and Fe2B sublayers as a function of boronizing
time and temperature. The kinetics of the reaction has been determined with
K=Ko exp (-Q/RT) equation. Activation energy (Q) of boronized steel X5CrNi
18-10 was determined as 244 kj/mol. |
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| ISSN: | 1450-5339 2217-7175 |