The effect of specimen size on fracture toughness of a pipe-grade high density polyethylene has been examined using the J integral approach. It was found that the size requirements set up by common standards appear inadequate for this material. Measurements at low temperatures, at which a plane strain fracture toughness value could be obtained, turned out to be very effective in establishing a more appropriate size requirement for this material.
Size effects in the fracture of a pipe-grade high density polyethylene
FRASSINE, ROBERTO;RINK SUGAR, MARTA ELISABETH;PAVAN, ANDREA
1997-01-01
Abstract
The effect of specimen size on fracture toughness of a pipe-grade high density polyethylene has been examined using the J integral approach. It was found that the size requirements set up by common standards appear inadequate for this material. Measurements at low temperatures, at which a plane strain fracture toughness value could be obtained, turned out to be very effective in establishing a more appropriate size requirement for this material.File in questo prodotto:
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Size effects in the Fracture of a pipe-grade HDPE.pdf
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