Enhanced Creep Resistance of an Ultrafine‐Grained Ti–6Al–4V Alloy with Modified Surface by Ion Implantation and (Ti + V)N Coating
Sign Up to like & getrecommendations! Published in 2020 at "Advanced Engineering Materials"
DOI: 10.1002/adem.201901219
Abstract: This research examines the creep behavior of an ultrafine‐grained (UFG) Ti−6Al−4V alloy processed by equal‐channel angular pressing followed by extrusion. It is shown that modifying the surface of the UFG alloy with nitrogen ions and… read more here.
Keywords: 6al alloy; ion; enhanced creep; alloy ... See more keywords
Advanced Materials for Mechanical Engineering: Ultrafine‐Grained Alloys with Multilayer Coatings
Sign Up to like & getrecommendations! Published in 2021 at "Advanced Engineering Materials"
DOI: 10.1002/adem.202100145
Abstract: Research has demonstrated that the formation of a bulk ultrafine‐grained (UFG) structure in metals and alloys through severe plastic deformation (SPD) enables increasing of their strength properties and decreasing of the temperature range of superplasticity.… read more here.
Keywords: surface modification; mechanical engineering; engineering; ultrafine grained ... See more keywords
Thermal Stability and S‐Phase Evolution in Ultrafine‐Grained Al−Mg−Li Alloy Produced by Equal‐Channel Angular Pressing
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DOI: 10.1002/adem.202100181
Abstract: Ultrafine‐grained (UFG) aluminum alloys produced by severe plastic deformation demonstrate high mechanical properties but low thermal stability, which can negatively affect their service characteristics. Herein, the thermal stability of structure and S‐phase (Al2LiMg) evolution in… read more here.
Keywords: phase; alloy produced; thermal stability; produced equal ... See more keywords
Powder metallurgy route to ultrafine-grained refractory metals.
Sign Up to like & getrecommendations! Published in 2022 at "Advanced materials"
DOI: 10.1002/adma.202205807
Abstract: Ultrafine-grained refractory metals are promising materials for applications in aerospace, microelectronics, nuclear and many others under extreme environment. Powder metallurgy (PM) allows to produce such materials with well controlled chemistry and microstructure at multiple length… read more here.
Keywords: ultrafine grained; powder metallurgy; metallurgy; refractory metals ... See more keywords
Influence of microstructure on thermal stability of ultrafine-grained Cu processed by equal channel angular pressing
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Materials Science"
DOI: 10.1007/s10853-018-2548-1
Abstract: The well-established enhanced mechanical performance of ultrafine-grained (UFG) materials is often accompanied by poor thermal stability which precludes their use in some applications. To provide fundamental insight into the problem of thermal stability, we studied… read more here.
Keywords: ultrafine grained; channel angular; equal channel; stability ... See more keywords
The Influence of Warm abc-Pressing on the Structure and Mechanical Properties of Stable Chromium-Nickel-Molybdenum Steel
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DOI: 10.1007/s11182-018-1497-0
Abstract: The structure and properties of the 17Cr13Ni3Mo0.01C stable austenitic steel subjected to high-temperature plastic deformation by the abc-pressing (multiaxial forging) are investigated in the temperature range from 800 to 600°С. The results of investigations demonstrate… read more here.
Keywords: abc pressing; ultrafine grained; structure; steel ... See more keywords
Special Aspects of Microstructure, Deformation and Fracture of Bioinert Zirconium and Titanium-Niobium Alloys in Different Structural States
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DOI: 10.1007/s11182-018-1592-2
Abstract: The characteristics of microstructure, deformation and fracture of Zr – 1 wt% Nb and Ti – 45 wt% Nb bioinert alloys in the coarse- and ultrafine-grained states are investigated. It is shown that the ultrafine-grained… read more here.
Keywords: ultrafine grained; deformation fracture; deformation; microstructure deformation ... See more keywords
Significantly Improved Corrosion Properties of Ultrafine-Grained Pure Mg Processed by Sliding Friction Treatment
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DOI: 10.1007/s11837-018-3004-z
Abstract: An ultrafine-grained surface layer of a pure Mg sheet was fabricated by sliding friction treatment. The grain size of the surface for the treated sample was reduced to 300 nm from 50 μm for the as-received counterpart.… read more here.
Keywords: ultrafine grained; friction treatment; grained pure; sliding friction ... See more keywords
Effect of Annealing on Microstructure and Mechanical Properties of Ultrafine-Grained Low-Carbon Medium-Manganese Steel Produced by Heavy Warm Rolling
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DOI: 10.1007/s40195-018-0816-3
Abstract: An ultrafine-grained (UFG) low-carbon medium-manganese steel was fabricated by the heavily warm rolling (HWR) and subsequent quenching, and the effects of annealing temperatures on microstructure and mechanical properties of the UFG HWRed steel were investigated.… read more here.
Keywords: steel; mechanical properties; strength; ultrafine grained ... See more keywords
In-situ high temperature micromechanical testing of ultrafine grained yttria-stabilized zirconia processed by spark plasma sintering
Sign Up to like & getrecommendations! Published in 2018 at "Acta Materialia"
DOI: 10.1016/j.actamat.2018.05.062
Abstract: Abstract Yttria-stabilized zirconia (YSZ) exhibits both enhanced strength and fracture toughness attributed to transformation-induced plasticity. Recent studies show that miniaturization of YSZ to the microscale enhances the effectiveness of stress-induced phase transformation by reducing mismatch… read more here.
Keywords: temperature; ultrafine grained; high temperature; stabilized zirconia ... See more keywords
Deformation characteristics of ultrafine grained and nanocrystalline iron and pearlitic steel - An in situ synchrotron investigation
Sign Up to like & getrecommendations! Published in 2018 at "Acta Materialia"
DOI: 10.1016/j.actamat.2018.08.036
Abstract: Abstract The deformation characteristics of ultrafine grained (UFG) iron, ultrafine lamellar (UFL) pearlite and nanolamellar (NL) pearlite were investigated using in situ synchrotron compression tests. The direct measurement of the peak position and peak width… read more here.
Keywords: ultrafine grained; characteristics ultrafine; iron; deformation characteristics ... See more keywords