SURFING: A Program for Precise Determination of Sample Position in Stress Measurements Via Neutron Diffraction

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Precise determination of the specimen position relative to the sampling volume for texture and stress measurements by neutron diffraction is difficult or sometimes impossible using only optical devices due to large or irregular sample dimensions and/or complicated shape of the sampling volume. The knowledge of the shape and size of the sampling volume allows development of a general mathematical model for the intensity variation with a parallelogram-shape sampling volume moving from outside to inside the specimen for both transmission and reflection geometric set-ups. Both fixed slits and radial collimators are options in defining the geometrical setup. The attenuation by the ... continued below

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Wang, D.-Q. August 8, 2000.

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Precise determination of the specimen position relative to the sampling volume for texture and stress measurements by neutron diffraction is difficult or sometimes impossible using only optical devices due to large or irregular sample dimensions and/or complicated shape of the sampling volume. The knowledge of the shape and size of the sampling volume allows development of a general mathematical model for the intensity variation with a parallelogram-shape sampling volume moving from outside to inside the specimen for both transmission and reflection geometric set-ups. Both fixed slits and radial collimators are options in defining the geometrical setup. The attenuation by the sample also has been taken into account in this model. Experimental results agree well with the model calculations. The program SURFING is based on the model calculation and was written in Labwindows/CVI{copyright}.

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  • Report No.: ORNL/TM-2000/200
  • Grant Number: DE-AC05-00OR22725
  • DOI: 10.2172/885570 | External Link
  • Office of Scientific & Technical Information Report Number: 885570
  • Archival Resource Key: ark:/67531/metadc892653

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Office of Scientific & Technical Information Technical Reports

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  • August 8, 2000

Added to The UNT Digital Library

  • Sept. 23, 2016, 2:42 p.m.

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  • Nov. 21, 2016, 7:27 p.m.

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Wang, D.-Q. SURFING: A Program for Precise Determination of Sample Position in Stress Measurements Via Neutron Diffraction, report, August 8, 2000; [Tennessee]. (digital.library.unt.edu/ark:/67531/metadc892653/: accessed October 17, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.