Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volume 4; Volume 8, Part 4American Society of Mechanical Engineers, 1989 - Arctic regions |
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Page 23
... fracture toughness of freshwater and saline ice . This desire to measure the fracture toughness of ice arises , at least in part , from the " fundamental " nature of this material parameter . , When measured correctly , the fracture ...
... fracture toughness of freshwater and saline ice . This desire to measure the fracture toughness of ice arises , at least in part , from the " fundamental " nature of this material parameter . , When measured correctly , the fracture ...
Page 83
... fracture toughness of carefully grown S2 columnar freshwater may exist a threshold specimen size below which there is no ice . For one specific crack orientation and one grain size , valid crack length . Fracture toughness tests to ...
... fracture toughness of carefully grown S2 columnar freshwater may exist a threshold specimen size below which there is no ice . For one specific crack orientation and one grain size , valid crack length . Fracture toughness tests to ...
Page 88
... fracture toughness testing of metals ( ASTM E399 ) and are dictated by the ratio of toughness to yield strength . The specifications are usually that a = w - a = h > 2.5 ( KIC / oy ) 2 5 ( 9 ) is the where KIC is the plane strain fracture ...
... fracture toughness testing of metals ( ASTM E399 ) and are dictated by the ratio of toughness to yield strength . The specifications are usually that a = w - a = h > 2.5 ( KIC / oy ) 2 5 ( 9 ) is the where KIC is the plane strain fracture ...
Contents
OFFSHORE MECHANICS | 1 |
The Growth of Radial Cracks in Ice Sheets | 7 |
ICE FORCES | 11 |
Copyright | |
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analysis applied approach Arctic assumed average body calculated coefficient components compression compressive stress computed considered constant crack creep damage deformation dependent depth described determined developed diameter direction distribution effect elastic energy Engineering equation estimate experiments expression factor failure field Figure floe force fracture frequency function given grain grain boundary horizontal ice sheet iceberg impact increase initial International length limit load mass material maximum mean measured Mechanics method microcracks motion normal nucleation observed obtained Offshore operation parameters peak performed plane position predicted present pressure probability range ratio Regions relation relative Research resistance ridge samples sea ice shear ship shown shows simulation specimen strain rate strength stress structure surface Table temperature tensile tensor tests thickness toughness uniaxial vertical wave