High Temperature Strain of Metals and Alloys Part 7 pot
High Temperature Strain of Metals and Alloys Part 7 pot
... because we have used the results of measurements of the particle sizes and the data of the strain rate tests. 6.3 Interaction of Dislocations and Particles 93 particles cannot be obstacles for ... ×60000. 88 6 High- temperature Deformation of Superalloys 6.2 Changes in the Matrix of Alloys during Strain The specimens of industrial superalloys (see Table 2.1) were in...
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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 ... direction. 124 7 Single Crystals of Superalloys 7. 3 Deformation of Single-crystal Superalloys at Higher Temperatures and Lower Stress Increase in temperature up...
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High Temperature Strain of Metals and Alloys Part 1 ppt
... Republic of Germany Printed on acid-free paper ISBN-13: 978 -3-5 27- 31338-9 ISBN-10: 3-5 27- 31338-9 Valim Levitin High Temperature Strain of Metals and Alloys High Temperature Strain of Metals and Alloys, ... latticeparameters of thematrix andof the hardening phase. The subject of the last chapter is the peculiarities of the strain behavior of refracto...
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High Temperature Strain of Metals and Alloys Part 2 pptx
... been determined by the X-ray method at high temperatures. Pure metals, solid solutions and nickel-based superalloys have been stud- ied. High Temperature Strain of Metals and Alloys, Valim Levitin (Author) Copyright c ... 14.0 1.65 2 .70 – 2.99 – 0.003 2.04 rest EI8 67 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...
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High Temperature Strain of Metals and Alloys Part 3 pdf
... 85 1.9 4.4 0.39 673 17. 0 130 1.1 6.0 20.0 152 0 .7 5.3 6 .7 50 1.4 4.5 Ni 0.51 873 8.9 66 0.9 4.8 9 .7 72 0 .7 4.5 1.3 10 2.0 5.3 0.62 1 073 2.0 14 1 .7 6.3 2 .7 20 1.0 7. 5 3.0 14 .7 1.5 3.1 0.45 610 5.1 ... 813 49.0 59 ± 573 ± 5 973 11.0 41 ± 269± 7 Nb 1233 39.2 67 ± 13 74 ± 6 1 370 29.4 109 ± 14 1 07 ± 10 44.1 60 ± 394± 6 Cu 74 6 7. 8 87 ± 683± 6 3.4 Sub-boundaries as Dis...
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High Temperature Strain of Metals and Alloys Part 4 ppsx
... work, dA, and facilitates the generation Fig. 4.3 Scheme of energetic barriers for the motion of the screw dislocation with vacancy-absorbing jogs. High Temperature Strain of Metals and Alloys, ... Calculated λ,nm ˙ε, 10 7 s −1 V, nm s −1 ˙ε, 10 7 s −1 Ni+9.9Al 72 3 125 52 1.4 4.3 2.2 202 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 4...
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High Temperature Strain of Metals and Alloys Part 5 pdf
... 2πZ) − µb 2πλX (4.22) High Temperature Strain of Metals and Alloys, Valim Levitin (Author) Copyright c 2006 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim ISBN: 3-5 27- 313389-9 67 5 Simulation of the Evolution of ... term on the right-hand side of Eq. (4. 27) . In Fig. 4. 17 the calculated curves of the influence of temperature and stress on the Γ value...
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High Temperature Strain of Metals and Alloys Part 6 doc
... 5.40 46.1 0. 07 1.00 7. 07 35.2 In order to test the influence of the D and λ parameters, we deformed specimens of nickel by 3% and 7% at room temperature and then annealed them at 873 K. As a result ... 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...
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High Temperature Strain of Metals and Alloys Part 8 docx
... strengthening phases of superalloys with the rate of the steady-state creep ˙ε of the same alloys. The superalloy EI437B with u 2 A = 460 pm 2 at 1023K has the least high- temperature strength of the three alloys ... Strain of Metals and Alloys, Valim Levitin (Author) Copyright c 2006 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim ISBN: 3-5 27- 313389-9 111 7 Single...
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High Temperature Strain of Metals and Alloys Part 11 docx
... minimum strain rate of niobium and molybdenum is dependent ex- ponentially on the applied stress at high temperatures. The mean value of the activation energy of the high- temperature strain for niobium ... of extruded and recrystallized material consists of a solid solution and of particles of titanium carbide, TiC. The particle sizes are between 200 and 500 nm...
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