PSI - Issue 14

Altaf Ali et al. / Procedia Structural Integrity 14 (2019) 273–281 Author name / Structural Integrity Procedia 00 (2018) 000–000

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5. Results and Discussions For the radiographs shown in Fig. 6 below, the sensitivity obtained is better than 2% that has been determined using ASTM 1A 6 type penetrameter as its third wire can be seen clearly. For sample A-1, A-2, A-3, A-4 various observations are shown in Fig. 6 (a).

Fig. 6. (a) & (b) Digital radiographs of the prepared end plug weld samples (Shot 1 to 3 are from top to bottom)

Fig. 7. (a-e) UT B-scan results (without angle correction) at different sections of end plug weld LOP samples and (f) A-scan representation of the signal response obtained from the inclusion sample.