Treatise on Materials Science and Technology, Volume 4 |
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Page 205
PARTIAL ENTHALPY AND ENTROPY To have a complete thermodynamic
description of alloy phases requires the knowledge of either the partial enthalpy
or entropy in addition to thermodynamic activity . Since the three quantities are
related ...
PARTIAL ENTHALPY AND ENTROPY To have a complete thermodynamic
description of alloy phases requires the knowledge of either the partial enthalpy
or entropy in addition to thermodynamic activity . Since the three quantities are
related ...
Page 206
Instead of deriving an expression for the partial entropy as is done for the partial
enthalpy , we may take the difference between the enthalpy and activity terms .
Thus , ( S ; - $ 1 , 0 ) / R = ( H ; - Hi , . ) / RT – In ( a ; / ai , e ) ( 86 ) The expressions
...
Instead of deriving an expression for the partial entropy as is done for the partial
enthalpy , we may take the difference between the enthalpy and activity terms .
Thus , ( S ; - $ 1 , 0 ) / R = ( H ; - Hi , . ) / RT – In ( a ; / ai , e ) ( 86 ) The expressions
...
Page 210
002 PARTIAL FREE ENERGY , ENTHALPY AND ENTROPY ( A2 - A2 , 0 ) / RT ,
OC = 0 . 020 ( 52 - 520 / R , OC = 0 . 002 in Oz / Ozp , OC = 0 . 020 7 20C ( 52 -
320 ) / R , OC = 0 . 020 OLUN 0 0 . 01 0 . 02 IIIIIIIII 0 . 03 0 . 04 0 . 05 0 . 06 0 . 07
0 .
002 PARTIAL FREE ENERGY , ENTHALPY AND ENTROPY ( A2 - A2 , 0 ) / RT ,
OC = 0 . 020 ( 52 - 520 / R , OC = 0 . 002 in Oz / Ozp , OC = 0 . 020 7 20C ( 52 -
320 ) / R , OC = 0 . 020 OLUN 0 0 . 01 0 . 02 IIIIIIIII 0 . 03 0 . 04 0 . 05 0 . 06 0 . 07
0 .
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Contents
RICHARD W VOOK | 2 |
Epitaxial Monocrystalline Films | 10 |
Polycrystalline Films | 37 |
Copyright | |
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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