Application of 𝑇₃₃-Stress to Predict the Lower Bound Fracture Toughness for Increasing the Test Specimen Thickness in the Transition Temperature Region

Table 3

Summary of the generated mesh for elastic analysis (𝑆/𝑊=4, 𝑅_𝑠=0.4 mm).

𝑊 mm	𝐵/𝑊	𝑎/𝑊	Δ𝑙/𝑎	Number of elements (NE) for precrack notch	CD	NR	Nodes	Elements
25.4	0.315	0.49; 0.50	0.0016	6	10	30	368609	87591
	0.63	0.52	0.0015			28	366579	87143
	1.25	0.52; 0.53	0.0015			30	368609	87591
	2.5	0.49; 0.50	0.0016			30	368609	87591
50.8	0.157	0.48; 0.49	0.00082; 0.00080	10	9; 10	30; 30	371654; 372669	88263; 88487
	0.313	0.49	0.00080		10	30	372669	88487
	0.63	0.50	0.00079		9	30	371654	88263
	1.25	0.51; 0.52	0.00077; 0.00076		12; 15	28; 25	372669	88487