Research Article

Research on the Size Effect of Unstable Fracture Toughness by the Modified Maximum Tangential Stress (MMTS) Criterion

Table 3

Results calculated from the double-K model.

LabelS (m)B (m)H (m)a0/Hac/HΔa/HPmax (N)Kun (Pa)

Aa1.09E + 003.88E − 025.00E − 013.29E − 013.7548E − 014.66E − 021.08E + 041.4615E + 06
Ba4.69E − 013.89E − 022.15E − 013.36E − 014.1117E − 017.54E − 026.40E + 031.4596E + 06
Ca2.02E − 014.13E − 029.30E − 023.45E − 014.2080E − 017.53E − 023.58E + 031.1967E + 06
Da8.65E − 024.04E − 024.00E − 023.65E − 014.4377E − 017.90E − 021.80E + 031.0001E + 06