Experimental Technique of Stress Analyses by Neutron Diffraction(In Chinese)

The structures and main components of neutron diffraction stress analyses spectrometer,SALSA,as well as functions and parameters of each components are presented.The technical characteristic and structure parameters of SALSA are described.Based on these aspects,the choice of gauge volume,method of positioning sample,determination of diffraction plane and measurement of zero stress d_0 are discussed.Combined with the practical experiments,the basic experimental measurement and the related settings are introduced,including the adjustments of components,pattern scattering,data recording and checking etc.The above can be an instruction for stress analyses experiments by neutron diffraction and neutron stress spectrometer construction.

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