## Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volume 4; Volume 8, Part 4American Society of Mechanical Engineers, 1989 - Arctic regions |

### From inside the book

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Page 64

After reaching the turning point of the curve the path of the nominal stress - strain

body . The Hall - Petch

After reaching the turning point of the curve the path of the nominal stress - strain

**relation**would continue the old curve , which finally leads to the total failure of thebody . The Hall - Petch

**relation**between the strength and the grain size is of 0 .Page 67

Brittle damage can be characterized by a

the material properties and a

though peak stresses occur during the initial stages of damage in laboratory ...

Brittle damage can be characterized by a

**relation**between the damage state andthe material properties and a

**relation**for the rate of damage evolution . Eventhough peak stresses occur during the initial stages of damage in laboratory ...

Page 71

The expression RESULTS E ( t ) / E . 1 / ( 1 + .71 c / d ( act ) 1/3 ) ( 15 ) a is very

close to the values computed from Sinha's

sizes and strain rates and can be used as an approximation for E ( t ) . Equations

...

The expression RESULTS E ( t ) / E . 1 / ( 1 + .71 c / d ( act ) 1/3 ) ( 15 ) a is very

close to the values computed from Sinha's

**relation**over the above range of grainsizes and strain rates and can be used as an approximation for E ( t ) . Equations

...

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### Contents

OFFSHORE MECHANICS | 1 |

ICE FORCES | 11 |

MATERIALS TECHNOLOGY | 24 |

Copyright | |

22 other sections not shown

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### Common terms and phrases

analysis applied approach Arctic assumed average behaviour 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