Novel Fe‐Based Amorphous Brazing Foils in the Quinary System Fe–Ni–Cr–Si–B

Kirsten Bobzin; Hendrik Heinemann; Marvin Erck; Oleg Stryzhyboroda; Sophie Vinke

doi:10.1002/adem.202300403

journal article Open Access Aug 23, 2023

Novel Fe‐Based Amorphous Brazing Foils in the Quinary System Fe–Ni–Cr–Si–B

Kirsten Bobzin

Hendrik Heinemann Marvin Erck Oleg Stryzhyboroda Sophie Vinke

Advanced Engineering Materials Vol. 26 No. 4 · Wiley

View at Publisher Save 10.1002/adem.202300403

Abstract

Amorphous brazing foils are increasingly used on a wide variety of component geometries because of their flexibility and the resulting ease of application. Due to the recent rapid rise in Ni prices, there is an enormous need for research into the substitution of nickel with iron within conventionally used nickel‐based amorphous brazing foils. To avoid time‐consuming series of experiments, newly developed thermodynamic databases will be used to predict alloy compositions with a high glass forming ability. Foils should be produced with the melt‐spin process and characterized with differential scanning calorimetry and secondary electron microscopy. Novel iron‐based brazing foils with different compositions are successfully produced in the alloying system iron–nickel–chromium–silicon–boron. The characterization of these foils indicates the presence of a partly amorphous or nanocrystalline structure. The novel iron‐based brazing foils are characterized by a simple and cost‐efficient alloying concept. Furthermore, newly developed thermodynamic databases in the iron–nickel–chromium–silicon–boron system are validated by the successful production of these foils. The prediction of further iron‐based amorphous foils with the aid of thermodynamic calculations can thus be made possible.

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Details

Published: Aug 23, 2023
Vol/Issue: 26(4)
License: View

Authors

K

Kirsten Bobzin

Surface Engineering Institute RWTH Aachen University 52072 Aachen Germany

H

Hendrik Heinemann

Surface Engineering Institute RWTH Aachen University 52072 Aachen Germany

M

Marvin Erck

Surface Engineering Institute RWTH Aachen University 52072 Aachen Germany

O

Oleg Stryzhyboroda

Access e.V 52072 Aachen Germany

S

Sophie Vinke

Surface Engineering Institute RWTH Aachen University 52072 Aachen Germany

Funding

Deutsche Forschungsgemeinschaft Award: 448510847

Cite This Article

Kirsten Bobzin, Hendrik Heinemann, Marvin Erck, et al. (2023). Novel Fe‐Based Amorphous Brazing Foils in the Quinary System Fe–Ni–Cr–Si–B. Advanced Engineering Materials, 26(4). https://doi.org/10.1002/adem.202300403

Novel Fe‐Based Amorphous Brazing Foils in the Quinary System Fe–Ni–Cr–Si–B

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