Optimization and pilot operation of an ODF dependent control of texture goniometers

纹理测角仪 ODF 相关控制的优化和试点操作

• 批准号: 130928593
• 负责人: Professor Dr. Günter Gottstein
• 金额: --
• 依托单位: Institut für Geophysik und Geoinformatik
• 依托单位国家: 德国
• 项目类别: Research Grants
• 财政年份: 2009
• 资助国家: 德国
• 起止时间: 2008-12-31 至 2014-12-31
• 项目状态: 已结题
• 来源: https://gepris.dfg.de/gepris/projekt/130928593?language=en
• 关键词: Optimization; pilot; operation; ODF; dependent

The goals of the project are(i) Optimization of an adaptive control of a texture goniometer for the measurement of diffraction pole figures in dependence of the orientation density function (ODF) and(ii) Development of a texture goniometer with integrated ODF-dependent control to a pilot operation.For that purpose an algorithm will be developed to create an optimized measurement grid for each refinement step and to drive the goniometer to these grid positions while adjusting the parameters of the diffraction experiment. In the process intermediate approximations of the ODF will be used to determine the measurement grid for the next locally refined measurement in accordance with criteria set by the user. Further it is planned to modify a present fully automated texture goniometer with an integrated ODF dependent control and to operate it as a prototype.

该项目的目标是：(i)优化纹理角计的自适应控制，以便根据方向密度函数（ODF）测量衍射极图；（ii）开发一种纹理角计，将依赖于ODF的控制集成到试点操作中。为此，将开发一种算法，为每个细化步骤创建一个优化的测量网格，并在调整衍射实验参数的同时将测角仪驱动到这些网格位置。在这一过程中，将使用ODF的中间近似值来根据用户设定的标准确定下一次局部精细测量的测量网格。此外，计划用集成ODF依赖控件修改现有的全自动纹理角计，并将其作为原型操作。

项目成果

Optimizing the experimental design of texture goniometry

优化纹理测角实验设计

• DOI: 10.1107/s0021889812041611
• 发表时间: 2012
• 期刊: Journal of Applied Crystallography
• 影响因子: 6.1
• 作者: F. Bachmann;H. Schaeben ;R. Hielscher
• 通讯作者: R. Hielscher

Efficient and accurate measurement of very sharp crystallographic textures: A new measurement strategy

• DOI: 10.1016/j.actamat.2012.04.009
• 发表时间: 2012-06-01
• 期刊: ACTA MATERIALIA
• 影响因子: 9.4
• 作者: Bachmann, F.;Witte, M.;Gottstein, G.
• 通讯作者: Gottstein, G.