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首页> 外文期刊>Scripta materialia >A randomwalk-cellular automaton simulation of internal oxidation and its transition to external oxidation.
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A randomwalk-cellular automaton simulation of internal oxidation and its transition to external oxidation.

机译:内部氧化及其向外部氧化转变的随机游走细胞自动机模拟。

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摘要

The behavior of the simulated internaloxidation agrees with the proven Wagner theory inthe component depth profiles, the particle sizedistributions, and the critical B concentrationsfor transition of internal to external oxidation.This confirms the validity of the previouslyproposed Randomwalk- Cellular Automaton Model ofoxide precipitation in alloys, on which thecurrent simulation is based. By the simutatedexperimentation, we further investigated intomorphological aspects of internal oxidation andfound that lower stability of B oxide leads tolarger oxide particles and more uniform particlesize along the depth; lower concentration of Bleads to smaller and more uniform oxide particles;and lower D sub o /D sub b results in larger oxide particles.
机译:模拟的内部氧化行为在成分深度分布,颗粒尺寸分布以及内部氧化到外部氧化转变的临界B浓度方面与已证实的Wagner理论相符,这证实了先前提出的合金中氧化物沉淀的Randomwalk-Cellular Automaton模型的有效性,当前模拟所基于的。通过模拟实验,我们进一步研究了内部氧化的形态学方面,发现B氧化物的稳定性越低,则沿深度的氧化物颗粒越大,颗粒尺寸越均匀。较低的Blead浓度会导致较小和更均匀的氧化物颗粒;较低的D sub o / D sub b导致较大的氧化物颗粒。

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