Shear deformation and failure of explosive welded Inconel-microalloyed steels bimetals

In the following study, the forced shear specimens were investigated to obtain mechanical characterization of Inconel-microalloyed steels bimetals achieved through explosive bonding process. The chrome–molybdenum steel (16Mo3) and high strength microalloyed steel (X70) plates were joined and compare...

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Bibliographic Details
Published in:Archives of Civil and Mechanical Engineering 2014-01, Vol.14 (1), p.32-39
Main Authors: Kwiecień, M., Majta, J., Dziedzic, D.
Format: Article
Language:English
Subjects:
Bimetals
Bonding strength
Civil Engineering
Engineering
Explosive bonding
Explosive welding
Hat-shaped specimen
High strength low alloy steels
Inconel
Mechanical Engineering
Mechanical properties
Microalloyed steel
Microalloying
Microhardness
Molybdenum steels
Nickel base alloys
Optical microscopy
Original Research Article
Plastic deformation
Shear deformation
Shear strength
Strain rate
Structural Materials
Superalloys
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Summary:In the following study, the forced shear specimens were investigated to obtain mechanical characterization of Inconel-microalloyed steels bimetals achieved through explosive bonding process. The chrome–molybdenum steel (16Mo3) and high strength microalloyed steel (X70) plates were joined and compared as base materials in the bimetals. Tests were performed quasi-statically and dynamically to examine the influence of strain rate on the shear strength of the metallurgical bond between two steel components. The joined area was also analyzed using microhardness measurements and by light microscopy. (Wave bonding interface and plastic deformation was present in both bimetals). Melted zones, especially In the case of 16Mo3 steel, were observed. The qualitative and quantitative assessments of the mechanical state—using computer simulations as well as microhardness distributions and microstructure development in the forced shear specimens showed that bimetal Inconel 601/X70 was superior to Inconel 601/16Mo3.
ISSN:1644-9665
2083-3318
DOI:10.1016/j.acme.2013.07.003