A Method to Determine Energy and Power of a Fracture Process in Polycrystals by Means of HVTEM

Table 1

Characteristics of energy, power and geometry during the development of a crack in a VT-51 titanium alloy.

Crack no.	𝛿𝑢, μm	𝛿𝜈, μm	𝛿𝑤, μm	𝑏, μm	𝑙, μm	𝐾I, MPa √M	𝐾II, MPa √M	𝐾III, MPa √M	𝐽, MJoul/M^2
1	0,098	0,069	0,141	5,76	3,51	1,71	1,43	2,05	1,27
2	0,052	0,052	0,730	14,68	12,94	1,78	1,78	6,71	14,73