Diffusion as a method for producing architectured materials |
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| Authors: | Robert Cicoria Bechir Chehab Hatem Zurob |
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| Affiliation: | 1. Department of Materials Science and Engineering, McMaster University, 1280 Main Street West, Hamilton, ON, Canada L8S 4L8;2. ArcelorMittal Stainless Europe Research Center, BP15 Rue Roger Salengro, 62330 Isbergues, France;1. The Key Lab of Automobile Materials, The Ministry of Education, Jilin University, Changchun 130025, PR China;2. The Key Lab of Terrain Machinery Bionics Engineering, The Ministry of Education, Jilin University, Changchun 130025, PR China;1. Laboratoire PIMM, Arts et Métiers Paris Tech, CNAM, CNRS, Paris 75013, France;2. Department of Mechanical Engineering, Isfahan University of Technology, Isfahan 84156-83111, Iran;1. Faculdade de Engenharia de Guaratinguetá- FEG/UNESP, Guaratinguetá SP, Brazil;2. Faculdade SENAI Felix Guisard, Taubaté SP, Brazil;3. Instituto de Estudos Avançados, Div. Fotônica, São José dos Campos SP, Brazil;4. Instituto Tecnológico de Aeronáutica, São José dos Campos SP, Brazil |
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| Abstract: | We describe the use of controlled diffusion treatments to arrange the distribution of alloying elements within a material. The Fe–C system is particularly interesting because of the strong effect of carbon on the mechanical properties and phase stability of steel. We demonstrate, through multi-step treatments, both one-dimensional and two-dimensional distributions of carbon within steel. A sample two-dimensional architecture is prepared and characterized to demonstrate feasibility. We briefly introduce a global optimization algorithm as a method for computationally optimizing treatment schedules. |
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