Sigma-Phase in Fe-Cr and Fe-V Alloy Systems and its Physical Properties
Stanisław M. Dubiel,J. Cieślak +1 more
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TLDR
The physical properties of the σ-phase in Fe-Cr and Fe-V alloy systems have been investigated both with experimental and theoretical methods as mentioned in this paper, and the following questions relevant to the issue have been addressed: identification of σ and determination of its structural properties.Abstract:
This review addresses the physical properties of the σ-phase in Fe-Cr and Fe-V alloy systems as revealed both with experimental—mostly with the Mossbauer spectroscopy—and theoretical methods. In particular, the following questions relevant to the issue have been addressed: identification of σ and determination of its structural properties, kinetics of α-to-σ and σ-to-α phase transformations, Debye temperature and Fe-partial phonon density of states, Curie temperature and magnetization, hyperfine fields, isomer shifts and electric field gradients.read more
Citations
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Ashley Reichardt,R. Peter Dillon,John Paul Borgonia,Andrew A. Shapiro,Bryan W. McEnerney,Tatsuki Momose,Peter Hosemann +6 more
TL;DR: In this article, a multi-hopper laser deposition system is used to additively manufacture functionally graded Ti-6Al-4V to 304L stainless steel components with a vanadium interlayer.
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Advances in additive manufacturing of metal-based functionally graded materials
Ashley Reichardt,Andrew A. Shapiro,Richard Otis,R. Peter Dillon,John Paul Borgonia,Bryan W. McEnerney,Peter Hosemann,Allison M. Beese +7 more
TL;DR: In this paper, the authors discuss the capabilities still unutilized in metal additive manufacturing, including the ability to graduate from a prototyping tool to a widespread, full-scale manufacturing process.
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Opportunities and challenges in additive manufacturing of functionally graded metallic materials via powder-fed laser directed energy deposition: A review
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Utilization of brittle σ phase for strengthening and strain hardening in ductile VCrFeNi high-entropy alloy
Yong Hee Jo,Won-Mi Choi,Dong Geun Kim,Alireza Zargaran,K. Lee,Hyokyung Sung,Seok Su Sohn,H.S. Kim,Byeong-Joo Lee,Sukmook Lee +9 more
TL;DR: In this article, the authors exploited the strengthening effects of a brittle intermetallic sigma (σ) phase to improve the tensile properties of a nonequi-atomic ductile VCrFeNi four-component HEA.
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Frank-Kasper and related quasicrystal spherical phases in macromolecules
Mingjun Huang,Kan Yue,Jing Wang,Chih-Hao Hsu,Linge Wang,Stephen Z. D. Cheng,Stephen Z. D. Cheng +6 more
TL;DR: In this paper, the authors summarized recent advances on the identification of several unconventional spherical phases in the self-assembly of functional macromolecules, including Frank-Kasper (F-K) phases and quasicrystals originally observed in metal alloys.
References
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