Treatise on Materials Science and Technology, Volume 4 |
From inside the book
Results 1-3 of 18
Page 308
SEMIDENSE MATERIALS Sintered powder preforms forged at room temperature
generally require pressure levels beyond the practical limits of forging machinery
to reach full density . Preforms hot forged with low pressures also do not reach ...
SEMIDENSE MATERIALS Sintered powder preforms forged at room temperature
generally require pressure levels beyond the practical limits of forging machinery
to reach full density . Preforms hot forged with low pressures also do not reach ...
Page 312
Preform design for forging of a specific part must be such that sufficient metal flow
is achieved in the material to ... Relationships can be derived between the forged
aspect ratio at which these two conditions occur and the preform aspect ratio .
Preform design for forging of a specific part must be such that sufficient metal flow
is achieved in the material to ... Relationships can be derived between the forged
aspect ratio at which these two conditions occur and the preform aspect ratio .
Page 313
49 , rp = 50 % and the forged disk aspect ratio for maximum properties becomes
Hg / Dp = ( H . / D . ) ( 1 / p1 / 2 ) ( 0 . 354 ) ( 39 ) Similarly , Eq . ( 37 ) can be
rearranged to give H [ / Dę = ( H / D . ) po ( D / D . ) 3 The ratio Do / D , at fracture
can ...
49 , rp = 50 % and the forged disk aspect ratio for maximum properties becomes
Hg / Dp = ( H . / D . ) ( 1 / p1 / 2 ) ( 0 . 354 ) ( 39 ) Similarly , Eq . ( 37 ) can be
rearranged to give H [ / Dę = ( H / D . ) po ( D / D . ) 3 The ratio Do / D , at fracture
can ...
What people are saying - Write a review
We haven't found any reviews in the usual places.
Contents
RICHARD W VOOK | 2 |
Epitaxial Monocrystalline Films | 10 |
Polycrystalline Films | 37 |
Copyright | |
2 other sections not shown
Other editions - View all
Common terms and phrases
activity addition alloys applied approximation average beam becomes calculated compaction component composition compression concentration considered constant copper correlation corresponding crystal cubic curve decreases defined deformation density dependence determined diffraction diffusion direction discussed dislocation disorder distribution effect electron elements energy enthalpy entropy equations example experimental expression factor fault field Figure forged function given gives increases influence interaction jump lattice material measurements mechanism metal method neighbor observed obtained occurs oriented parameter partial pattern phases Phys plane polycrystalline position possible powder present probability production properties random ratio reflections region relative respectively shown in Fig shows single crystals sintered solid solution solute atoms solvent strain strengthening stress structure Substituting surface Table temperature theoretical theory thermodynamic thin films tracer twin vacancy values variations volume X-ray yield