Fig. 9

Curves of stress, AE energy, and AE cumulative energy under varying temperatures: (a) 25 ā; (b) 35 ā; (c) 45 ā; (d) 55 ā.

Curves of stress, AE energy, and AE cumulative energy under varying temperatures: (a) 25 ā; (b) 35 ā; (c) 45 ā; (d) 55 ā.