Abstract
The paper presents the study of hierarchy of deformation wave-processes from nano- to macro-structural level, which takes place in dissimilar materials, bonded by high-temperature vacuum rolling in solid phase. The focus was on the processes that occur on the interface of the bonded materials: mass trasfer of impurities and alloying elements stimulated by deformation, the study of nano- and micro-hardness.
Highlights
Open AccessIn the last years, NSC KIPT has studied the areas of interface of Cu-Nb andCu-Pb [1] [2] systems bonded by high-temperature vacuum rolling in solid phase
Results of the analyses of atoms distribution into the depth of interface constitute the evidence of this (Figure 7 and Figure 8)
1) Passing of the surface waves of Kelvin-Helmholtz type with wave lengths 100 - 800 mcm was observed on the interface copper-stainless steel generated by high-temperature rolling
Summary
NSC KIPT has studied the areas of interface of Cu-Nb and. Cu-Pb [1] [2] systems bonded by high-temperature vacuum rolling in solid phase. On results of this study the following deformation nano-deffects and processes were discovered, indicating the presence of the hydro-dinamic and rotation modes of deformation: “wave front” and dynamic nano-crystallisation, nano-dipoles of partial disclinations, and nano-dipoles of rotation disclinations. The purpose of this work is to analyze all sequences of structural levels of wave processes that occur on macro-, micro- and nano-levels, on the interfaces. Cu-stainless steel, bonded by high-temperature rolling in vacuum, considering the processes of mass-transfer in the areas of interface
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