A coupled model for intragranular deformation and chemical diffusion

Zhong Xin; Vrijmoed Johannes; Moulas Evangelos; Tajcmanova Lucie

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A coupled model for intragranular deformation and chemical diffusion

机译：综合变形和化学扩散的耦合模型

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摘要

A coupled model for chemical diffusion and mechanical deformation is developed in analogy to the studies of poroelasticity and thermoelasticity. Nondimensionalization of the governing equations yields a controlling dimensionless parameter, the Deborah number, given by the ratio of the characteristic time for pressure relaxation and concentration homogenization. Using the Deborah number two types of plausible chemical zonation are distinguished, i.e. diffusion controlled, and mechanically controlled. The transition between these two types of chemical zonation is determined at the conditions where the Deborah number equals one.

机译：用于化学扩散和机械变形的耦合模型类似于腹弹性和热弹性的研究。控制方程的非潜能化产生了控制无量纲参数，Deborah编号，由压力松弛和浓度均匀化的特征时间的比率给出。使用Deborah编号两种类型的合理的化学区分区，即扩散控制，机械控制。这两种类型的化学区分区之间的过渡在Deborah编号等于一个的条件下确定。

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来源
《Earth and Planetary Science Letters: A Letter Journal Devoted to the Development in Time of the Earth and Planetary System》 |2017年第2017期|共10页
作者
Zhong Xin; Vrijmoed Johannes; Moulas Evangelos; Tajcmanova Lucie;
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作者单位

Swiss Fed Inst Technol Dept Earth Sci Zurich Switzerland;

Swiss Fed Inst Technol Dept Earth Sci Zurich Switzerland;

Swiss Fed Inst Technol Dept Earth Sci Zurich Switzerland;

Swiss Fed Inst Technol Dept Earth Sci Zurich Switzerland;

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原文格式 PDF
正文语种 eng
中图分类天文学、地球科学;行星、卫星、彗星、流星、陨星;
关键词
chemical diffusion; mechanical deformation; grain-scale pressure variation; feldspar chemical zonation;

机译：化学扩散;机械变形;晶粒压力变化;长石化学区划;

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1. A coupled model for intragranular deformation and chemical diffusion [J] . Zhong Xin, Vrijmoed Johannes, Moulas Evangelos, Earth and Planetary Science Letters: A Letter Journal Devoted to the Development in Time of the Earth and Planetary System . 2017,第期

机译：综合变形和化学扩散的耦合模型
2. Modeling of coupled deformation-diffusion in non-porous solids [J] . J.P. Thomas, C.E. Chopin International Journal of Engineering Science . 1999,第1期

机译：无孔固体中耦合变形-扩散耦合模型
3. Acousto-thermo-mechanical deformation of hydrogels coupled with chemical diffusion [J] . Xin Fengxian, Lu Tian Jian Proceedings of the Royal Society. Mathematical, physical and engineering sciences . 2018,第2217期

机译：水凝胶的声热机械变形与化学扩散相结合
4. Finite Element Modeling of the Intragranular Reorientation and Stored Energy Induced by Deformation in an IF-Ti Steel Aggregate Submitted to Channel Die Compression [C] . P. Erieau, C. Rey 13th International Conference on Textures of Materials Pt.1 Aug 26-30, 2002 Seoul, Korea . 2002

机译：通道模压缩后IF-Ti钢骨料变形引起的晶内取向和储能的有限元建模
5. Deformation and Residual Stresses at the Intragranular Scale - A Study Using High Energy X-Ray Diffraction and Modeling in Polycrystalline Alloys [D] . Chatterjee, Kamalika. 2017

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6. Acousto-thermo-mechanical deformation of hydrogels coupled with chemical diffusion [O] . Fengxian Xin, Tian Jian Lu -1

机译：水凝胶的声热机械变形与化学扩散
7. Acousto-thermo-mechanical deformation of hydrogels coupled with chemical diffusion [O] . Fengxian Xin, Tian Jian Lu 2018

机译：水凝胶的声热机电变形与化学扩散相结合

A coupled model for intragranular deformation and chemical diffusion

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