Estimation of Fe2B growth on low-carbon steel based on two diffusion models
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Abstract
Two different approaches are used in the evaluation of Fe2B growth and its kinetics over the surface of AISI 1018 steel. The first approach considers a diffusion model based on the mass balance at the growing Fe2B/substrate interface. In the second approach, the method of dimensional analysis was applied to obtain an expression for the boride layer thickness as a function of dependence parameters involved in the boriding process. The Fe2B layers were formed by the paste boriding process at temperatures of 1 123 to 1 273 K with 2, 4, 6, and 8 h of exposure using a boron carbide paste thickness of 4 mm over the surface of the steel. Another set of boriding temperatures with 5 h of exposure were used on the surface of the steel to compare the experimental values of Fe2B layer thicknesses with the results obtained by both diffusion models. The predicted values showed good agreement with the experimental boride layer thicknesses achieved in this work.
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Articles in the same Issue
- Contents
- Contents
- Original Contributions
- On the evolution of microstructure in oxygen-free high conductivity copper during thermo-mechanical processing using rotary swaging
- Phase-field simulation of diffusion couples in the Ni–Al system
- Finnis–Sinclair potentials for fcc Au–Pd and Ag–Pt alloys
- Hollow pyramidal lattice truss structures
- Synthesis of single-phase polycrystalline Ca2Si powder and sintered compacts
- On the micromechanics of die compaction of composite powder materials
- Structural, thermal, electrical and mechanical properties of nanosilica-composite polymer electrolytes
- The effects of tool rotation speed and traverse speed on friction stir welding of AISI 304 austenitic stainless steel
- Estimation of Fe2B growth on low-carbon steel based on two diffusion models
- Glass-forming ability and thermal stability of gas-atomized Zr50Cu40Al10 metallic glass powders
- Mechanochemical synthesis of nanocrystalline lead selenide: industrial approach
- On abnormal grain growth in nanocrystalline materials induced by small particles
- High-temperature deformation behaviour of Ti3Al-11Nb intermetallic
- Optimization of ZnO2 nanoparticle content in binary blended concrete to enhance high strength concrete
- New structural and mechanical features of hexagonal materials after room temperature extrusion using the KoBo method
- People
- Yuri Estrin turns 65
- DGM News
- DGM News