X-Ray Diffraction Technique for Residual Stress Measurement in NiCrMo Alloy Weld Metal

Figure 5

Illustration of longitudinal residual stress XRD measurements in various positions: (a) = 0°, (b) = 55°, and (c) special collimator view from point A. (1) Protective body with X-ray tube, (2) special collimator for incident beam, (3) analysed section of the 9%Ni steel-welded pipe, (4) position-sensitive detector, and (5) focusing circles.

(a)

(b)

(c)