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. 2021 May 14;14(10):2564. doi: 10.3390/ma14102564

Table 4.

Paris equation exponents m of Region II fatigue crack growth in monolithic AA1050 and AA5754 materials and a laminated composite AA1050/AA5754 in crack arrester orientation.

Material AA1050 N2(N1r) Mono AA5754 N2(N1r) Mono AA1050/AA5754 N3(Nxr) LMC
Region II-1 Region II-2
Paris equation exponent m 3.37 4.51 0.89 5.72