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@ARTICLE{Wei:620005,
author = {Wei, Shaolou and Ma, Yan and Raabe, Dierk},
title = {{R}eactive vapor-phase dealloying-alloying turns oxides
into sustainable bulk nano-structured porous alloys},
journal = {Science advances},
volume = {10},
number = {51},
issn = {2375-2548},
address = {Washington, DC [u.a.]},
publisher = {Assoc.},
reportid = {PUBDB-2024-08088},
pages = {eads2140},
year = {2024},
abstract = {For millennia, alloying has been the greatest gift from
metallurgy to humankind: a process of mixing elements,
propelling our society from the Bronze Age to the Space Age.
Dealloying, by contrast, acts like a penalty: a corrosive
counteracting process of selectively removing elements from
alloys or compounds, degrading their structural integrity
over time. We show that when these two opposite
metallurgical processes meet in a reactive vapor
environment, profound sustainable alloy design opportunities
become accessible, enabling bulk nanostructured porous
alloys directly from oxides, with zero carbon footprint. We
introduce thermodynamically well-grounded treasure maps that
turn the intuitive opposition between alloying and
dealloying into harmony, facilitating a quantitative
approach to navigate synthesis in such an immense design
space. We demonstrate this alloy design paradigm by
synthesizing nanostructured Fe-Ni-N porous martensitic
alloys fully from oxides in a single solid-state process
step and substantiating the critical kinetic processes
responsible for the desired microstructure.},
cin = {DOOR ; HAS-User},
ddc = {500},
cid = {I:(DE-H253)HAS-User-20120731},
pnm = {6G3 - PETRA III (DESY) (POF4-6G3) / FS-Proposal: I-20230183
(I-20230183) / FS-Proposal: I-20231121 (I-20231121) /
FS-Proposal: I-20231001 (I-20231001) / ROC - Reducing Iron
Oxides without Carbon by using Hydrogen-Plasma (101054368)},
pid = {G:(DE-HGF)POF4-6G3 / G:(DE-H253)I-20230183 /
G:(DE-H253)I-20231121 / G:(DE-H253)I-20231001 /
G:(EU-Grant)101054368},
experiment = {EXP:(DE-H253)P-P02.1-20150101 /
EXP:(DE-H253)P-P21.2-20150101},
typ = {PUB:(DE-HGF)16},
pubmed = {pmid:39693426},
UT = {WOS:001380638700004},
doi = {10.1126/sciadv.ads2140},
url = {https://bib-pubdb1.desy.de/record/620005},
}