Computer Simulation of Fe-Al-Si System Diffusion Couples

He, Zhongping; He, Yanlin; Gao, Yi; Li, Lin; Huang, Shuigen; Biest, Omer Van der

doi:10.1016/s1005-0302(11)60134-5

Cited by 6 publications

(1 citation statement)

References 13 publications

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“…2,3) These simulation models can be applied to multicomponent and multiphase systems and can describe complex behaviors exhibited by the interfaces of materials. [4][5][6][7][8] These simulations are based on numerical calculations of full diffusion fields or diffusion paths.…”

Section: Introductionmentioning

confidence: 99%

Analysis of Diffusion-controlled Phenomena at the Interface of α/γ Diffusion Couples of Stainless Steels

2013

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The interdiffusion of Ni, Cr, and Mo across the interface in the diffusion couples of type444/type316L stainless steels was simulated using the DICTRA software. The distance of interface migration and the Ni diffusion distance into the ferrite phase were calculated and compared with the experimental results previously reported by a present author. The calculated results agree very well with the experimental results. An analytical model based on the analytical solutions for the semi-infinite solute diffusion equations has been proposed. In the model, all solute elements are considered and diffusion paths are calculated. The supersaturations of the solutes defined both for the ferrite phase and the austenite phase are calculated from the calculated diffusion paths. According to the model it is shown that the temperature dependency of the interface migration distance and the Ni diffusion distance can be quantitatively evaluated by the supersaturation for Ni.

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Section: Introductionmentioning

confidence: 99%

Analysis of Diffusion-controlled Phenomena at the Interface of α/γ Diffusion Couples of Stainless Steels

2013

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Unseen Possibilities of F‐Theta Lenses

Ozga¹

2018

Optik & Photonik

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F-theta lenses are important components of machines for laser material processing. They are the part which enables cutting steel by focusing the laser beam. For even machining surfaces, a couple of lenses are necessary, because the curved image plane of a single lens would create a high unwanted field curvature. The field curvature decreases the homogeneity of the spot size depending on its position which is necessary for high precision laser material processing.

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