ISSN:
1741-2765
Source:
Springer Online Journal Archives 1860-2000
Topics:
Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
Notes:
Abstract Residual-stress profiles were determined along the rolling direction in cold-rolled, annealed, and roller-leveled copper-2% beryllium alloy strips using the X-ray-diffraction technique. The data were corrected for the effects of beam penetration and subsurface-stress relaxation due to material removal. The type, magnitude and distribution of residual stresses were found to depend on the amount of cold reduction of the strips. Surface residual stresses as high as 40 percent of the material yield strength were observed, with the stress values decreasing rapidly through the depth. Corrections for the effects of both beam penetration and stress relaxation were found to be very important at higher percentages of strip cold reduction. Thermal treatments were found to significantly reduce the level of residual stress. However, mechanical treatments (roller leveling) produced no change in the magnitude of stress at the strip surface, but resulted in an irregular pattern of stress.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1007/BF02327421
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