Study of residual stresses in A7N01 aluminum alloy with X-ray diffraction Debye ring analysis
2019 ◽
Vol 33
(01n03)
◽
pp. 1940032
◽
Keyword(s):
X Ray
◽
The welding residual stress has different effects on the mechanical properties of aluminum alloy welded joints, such as size stability, fatigue strength and stress corrosion cracking. Therefore, it is very important to evaluate the welding residual stress accurately. In this paper, the residual stress of A7N01 aluminum alloy welded joints was measured by X-ray diffraction. In contrast to the traditional method, the cos[Formula: see text] method was used in this paper, the results were compared with those obtained by the conventional [Formula: see text] method. In addition, the influence of oscillation unit on the test results of the cos[Formula: see text] method was studied.
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