Issue 46

G. B. Manjunatha et alii, Frattura ed Integrità Strutturale, 46 (2018) 14-24; DOI: 10.3221/IGF-ESIS.46.02 16 Edge Notched Tension test (ENT) The ENT test specimens were prepared according to ASTM E1922 standard [13]. The crack has to be introduced by sawing a fine razor blade. The standard dimensions of the specimen are as shown below the Fig.1. Figure 1 : ENT specimen as per ASTM standard [13]. Single Edge Notched Bend (SENB) Single edge notched bend specimen was prepared based upon the ASTM D5045 standard, and it involves the specimen has to be Precracked [14]. The standard specimen configuration of the specimen as shown in fig.2 Figure 2 : SENB specimen as per ASTM standard [14]. Experimental design for ENT and SENB test Trial A B C 1 1 1 1 2 1 2 2 3 1 3 3 4 2 1 3 5 2 2 1 6 2 3 2 7 3 1 2 8 3 2 3 9 3 3 1 Table 1 : Experimental design using L9 OA [15]