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- W2077258314 abstract "Fracture toughness testing becomes a very important parameter for mechanical design and maintenance of parts and structures. This work presents the design and construction of a machine device to perform the pre-crack nucleation on SE(B) specimens for fracture toughness testing. Employing this device, it is possible to test materials for KIc, CTOD and JIc in a conventional tensile test equipment, assisted by a data acquisition system. The device is based on the concept of loading from an eccentric mechanism, controlling the displacement by means of a marking ring. The main contribution of this work is the low cost technology offered for laboratories, without high priced servo-hydraulic testing machines, giving them autonomy for the execution of fracture toughness tests. The experimental results satisfied the expectation about crack nucleation on SE(B) and applied loading control." @default.
- W2077258314 created "2016-06-24" @default.
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- W2077258314 date "2001-07-01" @default.
- W2077258314 modified "2023-10-01" @default.
- W2077258314 title "Sistema de baixo custo para nucleação de pré-trincas por fadiga em corpos de prova de tenacidade à fratura" @default.
- W2077258314 cites W2297929186 @default.
- W2077258314 doi "https://doi.org/10.1590/s1516-14392001000300011" @default.
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