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- W2000546329 abstract "In this paper the measurement of fracture toughness K1c by single cylindrical tensile specimen with ring-shaped crack is described. The specimen does not satisfy the size requirement for effective plane strain fractare toughness K1c. The principle assumed here is that the curve, normalizing the load versus load-displacement curve of small-scale speciment by a size parameter D (or other size in proportion to D), will contain all the normalized curves of the geometrically similar specimens with larger dimensions. TheK1c value is obtained from the normalized P-Δ curve of the small-scale specimen and the equivalent energy concept. This value is lower than K1c obtained by standard methods, so it gives more safety in engineering calculations. In this paper, the experimentally obtained relation S/r ⩽1 and the linear relation between the size effects and the size parameter D have been proved. Also the equivalent energy method is extended from the compact tensile specimen to the cylindrical tensile specimen with ring-shaped crack." @default.
- W2000546329 created "2016-06-24" @default.
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- W2000546329 date "1987-01-01" @default.
- W2000546329 modified "2023-09-23" @default.
- W2000546329 title "Measurement of fracture toughness by single small-scale cylindrical specimen with ring-shaped crack" @default.
- W2000546329 cites W1616035150 @default.
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- W2000546329 doi "https://doi.org/10.1016/0013-7944(87)90219-0" @default.
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