Self-affine patterns of boride layers

I. Campos, G. Ramírez, A. Balankin, R. Torres

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

In this study, the evaluation of interfaces on iron boride Fe2B growth obtained by paste boriding process was carried out. Fractal geometry is used like a powerful tool for the roughness analysis present during iron boride growth. Experiments were performed in AISI 1045 steel at temperatures of 1193K for exposure times of 2, 4 and 6 h, and 1223K for treatment times of 2, 4, 5 and 6 h, varying the boron paste thicknesses in the range of 1 - 5 mm for each temperature and time. The fronts of the interfaces in iron boride coatings were characterized and digitized with mean of an optic microscope and Scion Image software. Self-affine methods were applied to the interface growths for validate the fractality of the system. It was established that the interface width, ω, scales to ω(L) - LH, where H represents the roughness exponent of the boride layers.

Original languageEnglish
Title of host publicationDiffusion in Solids and Liquids
Subtitle of host publicationHeat Transfer, Microstructure and Properties - 2nd Int. Conf. on Diffusion in Solids and Liquids, Mass Transfer, Heat Transfer, Microstructure and Properties DSL-2006
PublisherTrans Tech Publications Ltd
Pages27-32
Number of pages6
ISBN (Print)0878494383, 9780878494385
DOIs
StatePublished - 2007
Event2nd International Conference on Diffusion in Solids and Liquids, DSL-2006 - Aveiro, Portugal
Duration: 26 Jul 200628 Jul 2006

Publication series

NameMaterials Science Forum
Volume553
ISSN (Print)0255-5476
ISSN (Electronic)1662-9752

Conference

Conference2nd International Conference on Diffusion in Solids and Liquids, DSL-2006
Country/TerritoryPortugal
CityAveiro
Period26/07/0628/07/06

Keywords

  • Boride coatings
  • Boriding
  • Fractal geometry
  • Roughness
  • Self-affine

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