... Republic of Germany
Printed on acid-free paper
ISBN-13: 978-3 -52 7-31338-9
ISBN-10: 3 -52 7-31338-9
Valim Levitin
High Temperature Strain
of Metals and Alloys
High Temperature Strain of Metals and Alloys, ... Characteristics of Strain of Metallic Materials at
High Temperatures
The deformation of a metal specimen begins with the application of a load....
... 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, ... to Eq. (4.21).
54 4 Physical Mechanism of Strain at High Temperatures
4 .5
Effect of Alloying: Relationship between Creep Rate and Mean-Square Atomic
Amplitudes
The a...
... 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
... & Co. KGaA, Weinheim
ISBN: 3 -52 7-313389-9
83
6
High- temperature Deformation of Superalloys
6.1
γ
Phase in Superalloys
The high- tempera...
... 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...
... 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 ... Single Crystals of Superalloys
7.3
Deformation of Single-crystal Superalloys at Higher Temperatures and Lower Stress
Increase in temperature up to 1223K results in...