Acta Metallurgica Sinica (English Letters) ›› 1993, Vol. 6 ›› Issue (11): 393-397.

• Research paper • Previous Articles    

MODIFICATION OF SEEMANN-BOHLIN METHOD FOR STRESS MEASUREMENT

YU Ligen BAI Chendong CHEN Hua XU Kewei HE Jiawen Xi'an Jiaotong University,Xi'an,China Research Institute for Strength of Metals,Xi'an Jiaotong University,Xi'an 710049,China   

  • Received:1993-11-11 Revised:1993-11-11 Online:1993-11-11 Published:2009-10-10

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Abstract: The scattered distribution of the lattice parameters in the Seemann-Bohlin method for stress measurement was discussed.A linear relation can be achieved by modification with the theory deduced from Kroner model.However,the Seemann-Bohlin method cannot achieve good accuracy in comparison with the Bragg-Brentauo method,particularly for low stress values.

Key words: Seemann-Bohlin diffraction, elastic anisotropy, stress measurement

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