Microstructural Investigation of CoCrFeMnNi High Entropy Alloy Oxynitride Films Prepared by Sputtering Using an Air Gas
Sign Up to like & getrecommendations! Published in 2018 at "Metals and Materials International"
DOI: 10.1007/s12540-018-0143-2
Abstract: Microstructural properties of as-grown and annealed CoCrFeMnNi high entropy alloy (HEA) oxynitride thin films were investigated. The CoCrFeMnNi HEA oxynitride thin film was grown by magnetron sputtering method using an air gas, and annealed under… read more here.
Keywords: entropy alloy; air; high entropy; film ... See more keywords
Synthesis of CoCrFeMnNi High Entropy Alloy Thin Films by Pulse Electrodeposition: Part 1: Effect of Pulse Electrodeposition Parameters
Sign Up to like & getrecommendations! Published in 2019 at "Metals and Materials International"
DOI: 10.1007/s12540-019-00404-1
Abstract: Abstract CoCrFeMnNi high entropy alloy (HEAs) thin films were prepared using the pulse electrodeposition method. The films were co-deposited in an electrolyte based on an N,N-dimethylformamide—acetonitrile (CH 3 CN) organic system containing Co, Cr, Fe,… read more here.
Keywords: thin films; entropy alloy; pulse electrodeposition; electrodeposition ... See more keywords
Corrosion behavior of an equiatomic CoCrFeMnNi high-entropy alloy compared with 304 stainless steel in sulfuric acid solution
Sign Up to like & getrecommendations! Published in 2018 at "Corrosion Science"
DOI: 10.1016/j.corsci.2018.02.031
Abstract: Abstract The corrosion resistance and passive film properties of an equiatomic CoCrFeMnNi high-entropy alloy (HEA) compared with 304L stainless steel in 0.1 M H2SO4 solution were investigated. The in-situ element-resolved corrosion analysis shows that selective dissolution… read more here.
Keywords: stainless steel; corrosion; equiatomic cocrfemnni; high entropy ... See more keywords
Influence of carbon on the corrosion behaviour of interstitial equiatomic CoCrFeMnNi high-entropy alloys in a chlorinated concrete solution
Sign Up to like & getrecommendations! Published in 2020 at "Corrosion Science"
DOI: 10.1016/j.corsci.2019.108287
Abstract: Abstract We investigated the corrosion behaviour and passive film characteristics of interstitial equiatomic CoCrFeMnNi high-entropy alloys (HEAs) with various carbon concentrations in 3.5 wt.% NaCl-saturated Ca(OH)2 solution. The results showed that the carbon caused complex effects… read more here.
Keywords: carbon; corrosion behaviour; interstitial equiatomic; equiatomic cocrfemnni ... See more keywords
Hydrogen-induced nanohardness variations in a CoCrFeMnNi high-entropy alloy
Sign Up to like & getrecommendations! Published in 2017 at "International Journal of Hydrogen Energy"
DOI: 10.1016/j.ijhydene.2017.02.061
Abstract: Abstract The influence of electrochemically charged hydrogen (H) on the hardness (HN) of a CoCrFeMnNi high-entropy alloy (HEA) was investigated with nanoindentation. Upon charging, HN of HEA increases by ∼60%, which decreases gradually during subsequent… read more here.
Keywords: alloy; hydrogen; entropy alloy; high entropy ... See more keywords
Effect of recrystallization annealing treatment on the hydrogen embrittlement behavior of equimolar CoCrFeMnNi high entropy alloy
Sign Up to like & getrecommendations! Published in 2020 at "International Journal of Hydrogen Energy"
DOI: 10.1016/j.ijhydene.2020.11.154
Abstract: Abstract Equimolar CoCrFeMnNi high-entropy alloy (HEA) could be effectively strengthened by grain refinement process. However, the dislocations, grain boundaries and twins determined by the grain refinement process worked as hydrogen diffusion paths and trapping sites… read more here.
Keywords: alloy; hydrogen; equimolar cocrfemnni; high entropy ... See more keywords
Structure and properties of ultrafine-grained CoCrFeMnNi high-entropy alloys produced by mechanical alloying and spark plasma sintering
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Alloys and Compounds"
DOI: 10.1016/j.jallcom.2016.12.010
Abstract: Abstract CoCrFeMnNi high-entropy alloy (HEA) materials were fabricated using mechanical alloying (MA) and spark plasma sintering (SPS). The MA time, SPS temperature, and contaminations strongly affected the final microstructure and mechanical properties. Nanocrystal face-centered cubic… read more here.
Keywords: plasma sintering; mechanical alloying; spark plasma; alloying spark ... See more keywords
Ultrafine-grained CoCrFeMnNi high-entropy alloy produced by cryogenic multi-pass caliber rolling
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Alloys and Compounds"
DOI: 10.1016/j.jallcom.2018.01.313
Abstract: Abstract The ultrafine-grained (UFG) structure (∼100 nm) of CoCrFeMnNi high-entropy alloy was achieved using cryogenic multi-pass caliber rolling at 77 K to impose less deformation ( e = 1) compared to severe plastic deformation (SPD, e > 4). Highly… read more here.
Keywords: entropy alloy; ultrafine grained; high entropy; cocrfemnni high ... See more keywords
Microstructures and mechanical properties of nano carbides reinforced CoCrFeMnNi high entropy alloys
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Alloys and Compounds"
DOI: 10.1016/j.jallcom.2019.03.403
Abstract: Abstract Different contents of carbon element (0-3 at.%) was added into CoCrFeMnNi high entropy alloys (HEAs) to prepare carbide-reinforced CoCrFeMnNi matrix composites. The effects of carbon on microstructures and mechanical properties were systematically studied. The CoCrFeMnNi… read more here.
Keywords: microstructures mechanical; mechanical properties; entropy alloys; high entropy ... See more keywords
Comparison of microstructure and properties of CoCrFeMnNi high-entropy alloy from selective laser melting and directed energy deposition processes
Sign Up to like & getrecommendations! Published in 2021 at "Procedia Manufacturing"
DOI: 10.1016/j.promfg.2021.06.046
Abstract: Abstract Selective laser melting (SLM) and directed energy deposition (DED) methods were used to prepare CoCrFeMnNi high entropy alloy (HEA) coupons with pre-alloyed powders. The process parameters of SLM and DED methods were selected so… read more here.
Keywords: directed energy; selective laser; deposition; energy deposition ... See more keywords
Influence of hydrogen on incipient plasticity in CoCrFeMnNi high-entropy alloy
Sign Up to like & getrecommendations! Published in 2019 at "Scripta Materialia"
DOI: 10.1016/j.scriptamat.2018.10.010
Abstract: Abstract The influence of hydrogen on the onset of plastic deformation in a CoCrFeMnNi high-entropy alloy (HEA) was examined through the analysis of the load at which first pop-in during spherical nanoindentation experiments occurs on… read more here.
Keywords: entropy alloy; hydrogen; influence hydrogen; high entropy ... See more keywords