Topic
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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TL;DR: In this paper, a nanocrystalline Pd 40 Ni 60 alloy was fabricated by dealloying a ternary Al 75 Pd 10 Ni 15 alloy in a 20 ¼% NaOH aqueous solution under free corrosion conditions.
178 citations
Patent•
06 Oct 1993TL;DR: A magnetorheological material containing a carrier fluid and an iron alloy particle component can be either an iron-cobalt alloy or an IR-nickel alloy as mentioned in this paper, and the particle component is capable of imparting high yield stress capability.
Abstract: A magnetorheological material containing a carrier fluid and an iron alloy particle component. The particle component can be either an iron-cobalt alloy or an iron-nickel alloy. The iron-cobalt alloy has an iron:cobalt ratio ranging from about 30:70 to 95:5 while the iron-nickel alloy has an iron:nickel ratio ranging from about 90:10 to 99:1. The iron alloy particle components are capable of imparting high yield stress capability to magnetorheological materials.
177 citations
TL;DR: In this article, an equiatomic, single-phase TiZrNbHfTa high-entropy alloy was subjected to high-pressure torsion, leading to a grain size below 100nm.
177 citations
11 Jun 2015-Materials Science and Engineering A-structural Materials Properties Microstructure and Processing
TL;DR: In this article, an equiatomic NiFeCrCoMn alloy, two non-equiatomic NIFeCrCMn alloys optimized for low stacking fault energy were produced by arc melting and tested at a strain rate of 7.3×10−4−s−1.
Abstract: An equiatomic NiFeCrCoMn alloy, two non-equiatomic NiFeCrCoMn alloys optimized for low stacking fault energy, and an equiatomic NiFeCrCo alloy were produced by arc melting. Samples were homogenized, cold rolled, and annealed at temperatures between 575 and 1100 °C. Samples annealed at a moderate temperature near their recrystallization temperature (625–675 °C) and 1100 °C were cut into flat tensile samples and tested at a strain rate of 7.3×10−4 s−1. Equiatomic NiFeCrCo had the highest ductility and toughness after annealing at both temperatures, followed by Ni18.5Fe18.5Cr18.5Co26Mn18.5. Ni14Fe20Cr26Co20Mn20 exhibited poor thermal stability, forming σ-phase intermetallics at temperatures below 1100 °C. Observation of the fracture surfaces suggested that the high performance of NiFeCrCo might be due to the absence of oxide particles that form in the Mn-containing alloys. The strain-hardening rate and exponent were calculated from the results, showing a large deviation from typical behavior and significant grain size dependence.
177 citations
TL;DR: In this paper, a number of the physical and metallurgical aspects are discussed, particularly those which influence the properties of the technically important nickel-iron alloys, such as the composition of the alloy, isotropic and anisotropic ordering processes, the microstructure, textures, non-magnetic inclusions and precipitation processes.
177 citations