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Alloy

About: Alloy is a research topic. Over the lifetime, 171884 publications have been published within this topic receiving 1719420 citations. The topic is also known as: alloys.


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Journal ArticleDOI
TL;DR: In this paper, the corrosion properties of pure iron and the alloys Fe-0.5Cu and Fe-3.4Cu are investigated during several wet/dry transitions, and the corrosion potential is measured with a Kelvin probe without touching the surface under investigation.

298 citations

Journal ArticleDOI
TL;DR: The plastic flow behavior of Hadfield manganese steel in uniaxial tension and compression is shown to be greatly influenced by transformation plasticity phenomena as mentioned in this paper, consistent with a softening effect of twinning as a deformation mechanism and a hardening effect on the twinned microstructure.
Abstract: The plastic flow behavior of Hadfield manganese steel in uniaxial tension and compression is shown to be greatly influenced by transformation plasticity phenomena. Changes in the stress-strain (σ−e) curves with temperature correlate with the observed extent of deformation twinning, consistent with a softening effect of twinning as a deformation mechanism and a hardening effect of the twinned microstructure. The combined effects give upward curvature to the σ−e curve over extensive ranges of plastic strain. A higher strain hardening in compression compared with tension appears to be consistent with the observed texture development. The composition dependence of stacking fault energy computed using a thermodynamic model suggests that the Hadfield composition is optimum for a maximum rate of deformation twinning. Comparisons of the Hadfield steel with a Co-33Ni alloy exhibiting similar twinning kinetics, and an Fe-21Ni-lC alloy deforming by slip indicate no unusual strain hardening at low strains where deformation is controlled by slip, but an unusual amount of structural hardening associated with the twin formation in the Hadfield steel. A possible mechanism of anomalous twin hardening is discussed in terms of modified twinning behavior (pseudotwinning) in nonrandom solid solutions.

298 citations

Journal ArticleDOI
TL;DR: In this article, the friction stress and the Hall-petch relationship in CoCrNi equi-atomic medium entropy alloy (MEA) and Ni-40Co alloy were investigated.

298 citations

Journal ArticleDOI
TL;DR: In this article, an equiatomic FeCoCrNi high-entropy alloy is used as an input material for selective laser melting, and the material is characterized using X-ray diffraction, scanning electron microscopy, thermal analysis and mechanical testing.

297 citations

Journal ArticleDOI
TL;DR: In this paper, the formation of disordered solid solution in the hexagonal close-packed (hcp) structure in the GdHoLaTbY alloy and its mechanical properties were investigated.

297 citations


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Performance
Metrics
No. of papers in the topic in previous years
YearPapers
202310,509
202220,674
20215,930
20208,500
20199,616
20189,122