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 S2 COLUMNAR FRESHWATER ICE : CRACK LENGTH AND SPECIMEN SIZE EFFECTS - PART I J. P. Dempsey , Associate Professor , Y. Wei and S. DeFranco , Research Assistants R. Ruben and R. Frachetti , NSF Undergraduate Trainees ...
FRACTURE TOUGHNESS OF S2 COLUMNAR FRESHWATER ICE : CRACK LENGTH AND SPECIMEN SIZE EFFECTS - PART I J. P. Dempsey , Associate Professor , Y. Wei and S. DeFranco , Research Assistants R. Ruben and R. Frachetti , NSF Undergraduate Trainees ...
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 ( K1C / ¤y ) 22 ( 9 ) 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 ( K1C / ¤y ) 22 ( 9 ) 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 angle Arctic Engineering assumed Barents Sea Beaufort Sea behaviour berm Bjørnøya calculated coefficient Cole components computed Conference on Offshore constant constitutive equation damage evolution damage model deformation density depth determined diameter distribution dynamic effect energy equation experimental factor failure force fracture mechanics fracture toughness frequency friction function Geogrid grain horizontal ice floe ice load ice sheet ice thickness iceberg icebreaking impact increase indentor initial interaction keel material maximum measured Mechanics and Arctic Mellor microcracks modulus motion notch nucleation observed obtained ocean Offshore Mechanics parameters peak stress plane polycrystalline ice predicted pressure probability Proc radar ratio resistance ridge samples sea ice seabed shear shear stress ship shown in Figure simulation specimen spray ice strain rate strain tensor strength structure surface temperature tensile tensile stress tensor tests uniaxial compression variable vector velocity vertical wave Young's modulus