Hybrid friction diffusion bonding of 316L stainless steel tube-to-tube sheet joints for coil-wound heat exchangers

Hybrid friction diffusion bonding (HFDB) is a solid-state bonding process first introduced by Helmholtz-Zentrum Geesthacht to join aluminum tube-to-tube sheet joints of Coil-wound heat exchangers (CWHE). This study describes how HFDB was successfully used to manufacture 316L test samples simulating...

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Bibliographic Details
Published inJournal of mechanical science and technology Vol. 30; no. 11; pp. 4925 - 4930
Main Authors Haneklaus, Nils, Cionea, Cristian, Reuven, Rony, Frazer, David, Hosemann, Peter, Peterson, Per F.
Format Journal Article
LanguageEnglish
Published Seoul Korean Society of Mechanical Engineers 01.11.2016
Springer Nature B.V
대한기계학회
Subjects
Aluminum
Austenitic stainless steels
Bonded joints
Coiling
Control
Coolants
Destructive testing
Diffusion bonding
Diffusion welding
Dynamical Systems
Electron backscatter diffraction
Electron microscopy
Engineering
Friction
Heat exchangers
Heat resistant steels
Industrial and Production Engineering
Leak testing
Mechanical Engineering
Molten salts
Nondestructive testing
Optical microscopy
Power plants
Pressure bonding
Scanning electron microscopy
Sheet metal
Stainless steel
Stainless steels
Steel tubes
Vibration
기계공학
Tube-to-tube sheet joints
316L stainless steel
Coil-wound heat exchanger
Hybrid friction diffusion bonding
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Summary:Hybrid friction diffusion bonding (HFDB) is a solid-state bonding process first introduced by Helmholtz-Zentrum Geesthacht to join aluminum tube-to-tube sheet joints of Coil-wound heat exchangers (CWHE). This study describes how HFDB was successfully used to manufacture 316L test samples simulating tube-to-tube sheet joints of stainless steel CWHE for molten salt coolants as foreseen in several advanced nuclear- and thermal solar power plants. Engineering parameters of the test sample fabrication are presented and results from subsequent non-destructive vacuum decay leak testing and destructive tensile pull-out testing are discussed. The bonded areas of successfully fabricated samples as characterized by tube rupture during pull-out tensile testing, were further investigated using optical microscopy and scanning electron microscopy including electron backscatter diffraction.
Bibliography:ObjectType-Article-1
SourceType-Scholarly Journals-1
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ISSN:1738-494X
1976-3824
DOI:10.1007/s12206-016-0832-z