## Treatise on materials science and technology, Volume 4 |

### From inside the book

Results 1-3 of 9

Page 293

C.

expansion) accompanies the vertical compressive strain, as evidenced by Fig. 25

. The ratio of this transverse strain to the vertical strain is known as the

C.

**Poisson Ratio**During compressive deformation, a transverse radial strain (expansion) accompanies the vertical compressive strain, as evidenced by Fig. 25

. The ratio of this transverse strain to the vertical strain is known as the

**Poisson****ratio**...Page 294

Therefore, the

will be less than one-half, and will be a function of the pore volume fraction.

Frictionless compression tests (Fig. 25) permit the accurate measurement of

Poisson ...

Therefore, the

**Poisson ratio**for plastic deformation of a sintered powder materialwill be less than one-half, and will be a function of the pore volume fraction.

Frictionless compression tests (Fig. 25) permit the accurate measurement of

Poisson ...

Page 295

The relation between

is the density of the porous material relative to theoretical density of the fully

dense material. The exponent a in this relation is 1.92 for cold deformation (Fig.

The relation between

**Poisson ratio**and density is given by v = 0.5p" (14) where pis the density of the porous material relative to theoretical density of the fully

dense material. The exponent a in this relation is 1.92 for cold deformation (Fig.

### What people are saying - Write a review

We haven't found any reviews in the usual places.

### Contents

Microstructural Characterization of Thin Films | 2 |

Fundamental Concepts of Diffraction | 4 |

Epitaxial Monocrystalline Films | 10 |

Copyright | |

26 other sections not shown

### Other editions - View all

### Common terms and phrases

a-sublattice Acta alloys aluminum average beam calculated compaction component compositional dependences compression concentration configurational entropy copper correlation factor crystallites CsCl phases decreases deformation diffraction pattern diffusion coefficient dislocation density disorder parameter effect electron diffraction equations Evans and Flanagan f.c. tetragonal face-centered cubic fiber axis flux forged free energy function Gibbs free energy given increases intermetallic iron powder isostatic jump rate lattice disorder material matrix mechanism nearest neighbor observed obtained occurs oriented partial enthalpy partial entropy Phys plane Poisson ratio polycrystalline probability pure metals random reciprocal lattice relps RHEED shear stress shown in Fig single crystals sintered sintered powder solid solution strengthening solute atoms solute content specimen stacking fault energy stoichiometry stress-strain curve structure sublattice Substituting surface Suzuki TED pattern temperature dependence tetragonal theoretical thermal thermodynamic thermodynamic activities thermodynamic properties thin films tracer jump twin vacancy jumps values variations Vook X-ray yield stress