High Temperature Strain of Metals and Alloys Part 2 pptx
High Temperature Strain of Metals and Alloys Part 2 pptx
... 0.08 14.0 1.65 2. 70 – 2. 99 – 0.003 2. 04 rest EI867 0. 02 9.5 4.47 – 5 .26 9. 82 5. 12 0. 020 – rest EP199 0.05 19.8 2. 14 1. 42 9.10 4.54 – 0.008 – rest High Temperature Strain of Metals and Alloys, Valim ... gQ, where g = 1 2 √ πη (2. 4) Q = e 2 mc 2 2 λ 3 a 6 |F | 2 1+cos 2 2θ 2sin2θ (2. 5) where η is the mean angle of misorientation of neighbor...
Ngày tải lên: 10/08/2014, 12:21
High Temperature Strain of Metals and Alloys Part 1 ppt
... Republic of Germany Printed on acid-free paper ISBN-13: 978-3- 527 -31338-9 ISBN-10: 3- 527 -31338-9 Valim Levitin High Temperature Strain of Metals and Alloys High Temperature Strain of Metals and Alloys, ... 17 2. 4 Diffraction Electron Microscopy 20 2. 5 Amplitude of Atomic Vibrations 21 2. 6 Materials under Investigation 23 2. 7 Summary 24 3 Structu...
Ngày tải lên: 10/08/2014, 12:21
High Temperature Strain of Metals and Alloys Part 3 pdf
... 35.3 1.3 3.3 12. 0 44.1 1 .2 3.3 4.6 17 .2 1.5 2. 4 Nb 0.55 1508 7 .2 27.0 1.3 2. 5 7.6 28 .4 1.1 3.4 2. 1 7.8 1.6 2. 2 0.60 1645 2. 6 9.8 1.3 2. 7 3.1 11.8 1.1 3 .2 5.3 24 .5 1.9 3.6 0.50 1096 6.3 29 .4 1.5 4.1 7.4 ... 10 11 m 2 Metal T ,K σ,MPa N, 10 11 m 2 29.4 2. 4 24 .9 1.6 873 68.7 5.7 1370 29 .4 3.1 Ni 98.1 9.5 Nb 35.3 3.8 1 023 9.8 1.3 1508 17 .2 2.9 40.0 6.3 28...
Ngày tải lên: 10/08/2014, 12:21
High Temperature Strain of Metals and Alloys Part 4 ppsx
... 10 −7 s −1 Ni+9.9Al 723 125 52 1.4 4.3 2. 2 20 2 34 10.1 7.6 11.5 873 70 54 0.9 2. 8 1.0 136 33 13.9 8 .2 13.0 Ni+9.5W 873 138 41 5.6 12. 0 7.8 170 33 17.6 8.6 26 .0 1 023 50 46 1.6 6.0 1.8 90 32 7.6 17.0 10.8 Comparison ... (symbols and dotted lines) and computed data (solid curves); 1, 813K; 2, 923 K. 46 4 Physical Mechanism of Strain at High Temperatures Fig. 4 .2 Scheme...
Ngày tải lên: 10/08/2014, 12:21
High Temperature Strain of Metals and Alloys Part 5 pdf
... 90 ◦ a 2 [110] √ 2 2 [110] 0 ◦ a 2 [ ¯ 110] √ 2 2 [ ¯ 110] 0 ◦ 60 ◦ a 2 [110] √ 2 2 [110] 0 ◦ a 2 [10 ¯ 1] √ 2 2 [10 ¯ 1] 0 ◦ 60 ◦ a 2 [011] √ 2 2 [ ¯ 1 ¯ 10] 120 ◦ a 2 [ ¯ 110] √ 2 2 [0 ¯ 11] ... [18] σ yz = (µb sinh 2 X)(1 − cos 2 Z) 2 (cosh 2 X − 1)(cosh 2 X −cos 2 Z) − µb 2 λX (4 .22 ) High Temperature Strain of Metals and Alloys,...
Ngày tải lên: 10/08/2014, 12:21
High Temperature Strain of Metals and Alloys Part 6 doc
... preliminary decreased value of λ and increased value of D lead to the strain rate decreasing when the applied stress is relatively low. High Temperature Strain of Metals and Alloys, Valim Levitin (Author) Copyright c ... (Author) Copyright c 20 06 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim ISBN: 3- 527 -313389-9 83 6 High- temperature Deformation of Superall...
Ngày tải lên: 10/08/2014, 12:21
High Temperature Strain of Metals and Alloys Part 7 pot
... 115.1 3.68 4.01 4.33 35 973 360 /28 0 6.0 3.97 4 .28 4.59 37 1 023 320 /20 0 10.3 4.11 4.44 4.76 32 1173 28 0/ 120 32. 0 4.45 4. 82 5.19 author 1144 520 /28 0 7 .2 4.50 4.86 5 .22 36 One can see from Table 6.3 ... + 2. 1Ti 1 023 7.8 65 spher. 21 Cr + 0.8Al + 2. 5Ti 973 4.7 22 spher. author 9Cr + 4.5Al + 5W + 4Co 1173 10.7 133 cub. author 20 Cr + 2. 2Al + 2. 0Ti + 3.3W + 5Fe 1 023 8...
Ngày tải lên: 10/08/2014, 12:21
High Temperature Strain of Metals and Alloys Part 8 docx
... 58.0 2 23.6 20 .4 38.1 64.0 3 24 .4 19.8 38.0 88.3 4 39.9 20 .0 18.3 103.0 5 39.5 20 .6 18.6 106.0 6 14.5 30.9 42. 4 118.0 7 42. 0 23 .8 14.8 143.3 8 45.8 25 .1 10 .2 1 62. 8 9 41.5 25 .7 14.4 163.3 10 33.5 27 .6 ... 0 .27 a /2[ ¯ 110] → a/6[ ¯ 121 ] + a/6[ ¯ 21 ¯ 1] +APB [ ¯ 101] 0 .27 [0 ¯ 11] 0 [111] ( ¯ 111) [110] 0 .27 a /2[ 110] → a/3 [21 1] + a/6[ ¯ 11 ¯ 2] +SISF [101]...
Ngày tải lên: 10/08/2014, 12:21
High Temperature Strain of Metals and Alloys Part 9 potx
... mechanism of strain of the investigated superalloys. There exists a competition between the Orowan mechanism of bowing of the dislocations between the γ particles and the cutting of particles by partial ... leading half of the a<1 12 > ribbon: a /2[ 10 ¯ 1] + a /2[ 01 ¯ 1] → a /2[ 11 ¯ 2] “The second step” consists in the dissociation: a /2[ 11 ¯ 2] → a/3[11 ¯ 2]...
Ngày tải lên: 10/08/2014, 12:21
High Temperature Strain of Metals and Alloys Part 11 docx
... at 1 923 K; 2, annealed at 22 73 K. Reprinted from Ref. [53]. 8 .2 Alloys of Refractory Metals 151 Fig. 8.9 The effect of stress on the steady-state creep in molybdenum at temperatures: 1, 1973; 2, ... structure. 8 .2 Alloys of Refractory Metals 153 Fig. 8. 12 Logarithm steady-stage creep rate versus the logarithm stress for W–4Re–0.32HfC alloy. The testing temperatures ar...
Ngày tải lên: 10/08/2014, 12:21