High Temperature Strain of Metals and Alloys Part 1 ppt

... Republic of Germany Printed on acid-free paper ISBN -13 : 978-3-527- 313 38-9 ISBN -10 : 3-527- 313 38-9 Valim Levitin High Temperature Strain of Metals and Alloys High Temperature Strain of Metals and Alloys, ... Deformation of Some Refractory Metals 14 3 8 .1 The Creep Behavior 14 3 8.2 Alloys of Refractory Metals 14 9 8.3 Summary 15 5 Supplements...

Ngày tải lên: 10/08/2014, 12:21

... rest EI698 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, ... been determined by the X-ray method at high temperatures. Pure metals, solid solutions and nickel-based superalloys have been stud- ied. High Temperature...

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... 4.4 2.6 12 .8 2.2 4.3 V 0.55 12 06 3.7 17 .2 1. 6 4.5 4.2 19 .6 1. 4 4.6 1. 3 5.9 1. 8 4 .1 0.60 13 18 1. 7 7.8 1. 5 5.6 2 .1 9.8 1. 2 5 .1 0.7 6.0 1. 5 3.8 0. 51 923 1. 3 11 .0 1. 6 4.4 Fe 1. 7 14 .0 0.8 4.5 0.4 3.0 1. 5 ... 3.3 12 .0 44 .1 1.2 3.3 4.6 17 .2 1. 5 2.4 Nb 0.55 15 08 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 16 45 2.6 9.8 1. 3...

Ngày tải lên: 10/08/2014, 12:21

... ˙ε, 10 −7 s 1 V, nm s 1 ˙ε, 10 −7 s 1 Ni+9.9Al 723 12 5 52 1. 4 4.3 2.2 202 34 10 .1 7.6 11 .5 873 70 54 0.9 2.8 1. 0 13 6 33 13 .9 8.2 13 .0 Ni+9.5W 873 13 8 41 5.6 12 .0 7.8 17 0 33 17 .6 8.6 26.0 10 23 ... in the literature, e.g. [ 21, 22]. For example, E v =2.56 × 10 19 Jat. 1 , U v =1. 92 × 10 19 Jat. 1 for α-iron, and 2.88 × 10 19 Jat. 1 an...

Ngày tải lên: 10/08/2014, 12:21

... 12 0 ◦ 60 ◦ a 2 [11 0] √ 2 2 [11 0] 0 ◦ a 2 [ ¯ 11 0] √ 2 2 [ 011 ] 60 ◦ b.c.c. {11 0} 90 ◦ a 2 [11 1] √ 2 2 [11 0] 35.3 ◦ a 2 [1 ¯ 11 ] √ 2 2 [1 ¯ 10 ] 35.3 ◦ 73.2 ◦ a 2 [11 1] √ 2 2 [ ¯ 1 ¯ 10 ] 14 4.7 ◦ a 2 [1 ¯ 11 ] √ 6 6 [1 ¯ 21] ... 90 ◦ a 2 [11 0] √ 2 2 [11 0] 0 ◦ a 2 [ ¯ 11 0] √ 2 2 [ ¯ 11 0] 0 ◦ 60 ◦ a 2 [11 0] √ 2 2 [11 0] 0 ◦ a 2 [10 ¯ 1]...

Ngày tải lên: 10/08/2014, 12:21

... are of the same order, 10 11 m −2 . For examplethemeasured density is (1. 3–9.5) × 10 11 m −2 in nickel, (1. 6–5.3) × 10 11 m −2 in niobium and so on. From Figs. 5.9 and 5 .10 it can be seen that ... differently. The density of mobile dislocations increases during the high- temperature strain from 2 10 8 m −2 to (4.0–4.5) 10 11 m −2 . Experimental data have the same...

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... 6. σ 2 /σ 1 , ∆U, 10 19 Jat. 1 Ref. T , K MPa/MPa N 2 /N 1 10 10 10 11 10 12 923 600/400 30.3 3.56 3.87 4 .18 author 10 23 280/80 11 5 .1 3.68 4. 01 4.33 35 973 360/280 6.0 3.97 4.28 4.59 37 10 23 320/200 ... range 10 10 10 12 m −2 , most likely 10 12 m −2 . Applying Eq. (6 .14 ) for tests of the same superalloy under two stresses σ 1 and σ 2 and denoting...

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... [ 011 ] 0. 41 [10 1] 0. 41 [ ¯ 11 0] 0 (1 ¯ 11 ) [ 011 ] 0. 41 [ ¯ 10 1] 0. 41 [11 0] 0 [ ¯ 11 1] (11 1) [ ¯ 11 0] 0.27 a/2[ ¯ 11 0] → a/6[ ¯ 12 1] + a/6[ ¯ 21 ¯ 1] +APB [ ¯ 10 1] 0.27 [0 ¯ 11 ] 0 [11 1] ( ¯ 11 1) [11 0] ... [ ¯ 10 1] 0. 41 a/2[ ¯ 10 1] → a/6[ ¯ 11 2] + a/6[ ¯ 2 ¯ 11 ]+APB [0 ¯ 11 ] 0. 41 [11 0] 0 ( ¯ 11 1) [0 ¯ 11 ] 0. 41 a/2[0 ¯ 11 ] → a/3 [1...

Ngày tải lên: 10/08/2014, 12:21

... mode of lattice deformation of CMSX-4 superalloy changes from {11 1} < 11 2 > at 10 23K to {11 1} < 11 0 > at 12 23K. The authors suggest that the occurrence of {11 1} < 11 2 > and {11 1} ... proposed: a/2 (11 1)[ 01 ¯ 1] + a/2 (1 ¯ 11 )[ 011 ] → a[ 010 ] (7.3) or a/2 (11 1)[ 01 ¯ 1] + a/2 (1 ¯ 11 )[0 ¯ 1 ¯ 1] → a[00 ¯ 1] (7.4) The separation distanc...

Ngày tải lên: 10/08/2014, 12:21

... 2.0 – – EI867 9.5 4.5 – 9.8 5.3 5 .1 – – – – EP199 19 .8 2 .1 1.4 4.5 9 .1 – – – – – ZhS6UVI 9.4 5.6 2.5 1. 5 10 .1 9.6 – 1. 1 – 0.5Hf ZhS26VI 5.0 5.8 0.9 1. 1 11 .5 8.9 – 1. 4 – 0.9V Rene N5 7.0 6.2 – 2.0 ... plane of type {11 1} in the < 11 0 > direction. The Burgers vector is e.g.  b = a/2 [11 0]. The dissociation happens according to the reaction a 2 [11 0] = a 6 [1...

Ngày tải lên: 10/08/2014, 12:21