Journal Article

PUBDB-2026-00769

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png Insights into the compatibility of a metastable FeMnCoCr high entropy alloy with a Fe-based shape memory alloy

Lopes, J. (Corresponding author)Extern* ; Alvarez, A.Extern* ; Shen, J. ; Boll, T. ; Wang, D. ; Li, B. ; Wang, B. ; Schell, N.HZG*Hereon* ; Mishra, R. S.Extern* ; Baptista, A. C.Extern* ; Oliveira, J. P.Extern*

2026
Elsevier Lausanne

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Please use a persistent id in citations: doi:10.1016/j.jallcom.2026.186787  doi:10.3204/PUBDB-2026-00769

Abstract: High entropy alloys (HEA) are novel advanced materials that have been subjected to extensive research due totheir outstanding properties and potential for key engineering applications. Given this, research on their processabilitymust be conducted to avoid premature failure during operation. Gas tungsten arc welding is a widelyavailable technology capable of generating high performing and permanent joints. Furthermore, within thistechnology, dissimilar welding is a relevant topic given the frequent necessity to join different materials,allowing for greater design freedom while decreasing material costs. In this study, dissimilar welding of aFeMnCoCr HEA with a Fe-based shape memory alloy was conducted, allowing an inquiry into the compatibilitybetween the two advanced engineering alloys. By employing both conventional and advanced characterizationtechniques, including optical and electron microscopy, atom probe tomography and synchrotron x-ray diffraction,a comprehensive understanding of the effect of processing condition on the microstructure and mechanicalresponse of the joints is obtained. With this work we intend to highlight a pathway for the introduction of HEAsin modern day engineering industry.

Note: Funding: projects LA/P/0037/2020, UIDP/50025/2020 and UIDB/50025/2020 of the Associate Laboratory Institute of Nanostructures, Nanomodelling and Nanofabrication – i3N

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Contributing Institute(s):

1. DOOR-User (DOOR ; HAS-User)
2. Helmholtz-Zentrum Hereon (Hereon)

Research Program(s):

1. 6G3 - PETRA III (DESY) (POF4-6G3) (POF4-6G3)
2. FS-Proposal: I-20231128 EC (I-20231128-EC) (I-20231128-EC)
3. CALIPSOplus - Convenient Access to Light Sources Open to Innovation, Science and to the World (730872) (730872)
4. NEP - Nanoscience Foundries and Fine Analysis - Europe|PILOT (101007417) (101007417)

Experiment(s):

1. PETRA Beamline P07 (PETRA III)

Appears in the scientific report 2026

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Database coverage:
; ; ; Clarivate Analytics Master Journal List ; Current Contents - Physical, Chemical and Earth Sciences ; Ebsco Academic Search ; Essential Science Indicators ; IF >= 5 ; JCR ; SCOPUS ; Science Citation Index Expanded ; Web of Science Core Collection

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