Enhanced Ductility of a Bimodal Grain Structure Ti–22Al–25Nb Alloy Fabricated by Spark Plasma Sintering
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DOI: 10.1002/adem.201600804
Abstract: A bimodal grain structure Ti–22Al–25Nb alloy with enhanced ductility is fabricated from the blended powder mixture of argon gas atomized powder and mechanically alloyed powder by spark plasma sintering. The microstructure of the bimodal grain… read more here.
Keywords: alloy; bimodal grain; powder; 25nb alloy ... See more keywords
A Comparison Study of the Thermal Fatigue Properties of Three Ni‐Based Cast Superalloys Cycled from 20 to 1100 °C
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DOI: 10.1002/adem.201900054
Abstract: The thermal fatigue properties of cycling from 20 to 1100 °C, a new kind of Ni‐based cast superalloy, named N3 are studied and the results are compared with those of other alloys, namely, K4002 and K403,… read more here.
Keywords: fatigue properties; thermal fatigue; based cast; alloy ... See more keywords
Effect of Cu on Amorphization of a TiNi Alloy during HPT and Shape Memory Effect after Post‐Deformation Annealing
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DOI: 10.1002/adem.201900387
Abstract: A ternary TiNiCu memory alloy was subjected to high‐pressure torsion (HPT) followed by post‐deformation annealing (PDA) to study the effect of Cu (5 at%) on amorphization after HPT processing and also the microstructural evolution and… read more here.
Keywords: alloy; hpt; pda; amorphization ... See more keywords
Enhanced Performance of Mg–Zn–Y–Mn Alloy via Minor Ca Addition
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DOI: 10.1002/adem.201900908
Abstract: Herein, the effect of calcium (Ca) microalloying on the microstructure and mechanical properties of Mg94Zn2.5Y2.5Mn1 alloy is identified. The long‐period stacking‐ordered (LPSO) phase transformation mechanism during solid‐solution treatment and hot deformation behavior during extrusion process… read more here.
Keywords: phase; lpso phase; phase nanoparticles; alloy ... See more keywords
Enhanced Creep Resistance of an Ultrafine‐Grained Ti–6Al–4V Alloy with Modified Surface by Ion Implantation and (Ti + V)N Coating
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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
Deformation Behavior and Dynamic Recrystallization of Ti–22Al–25Nb Alloy at 750–990 °C
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DOI: 10.1002/adem.201901231
Abstract: Ti–22Al–25Nb is a representative of Ti2AlNb alloys with excellent comprehensive properties, which has great application prospects in the aerospace field. Herein, high‐temperature tensile plastic deformation behavior and dynamic recrystallization process of Ti–22Al–25Nb alloy are researched… read more here.
Keywords: 22al 25nb; dynamic recrystallization; deformation behavior; alloy ... See more keywords
Effects of Dy Addition on the Mechanical and Degradation Properties of Mg–2Zn–0.5Zr Alloy
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DOI: 10.1002/adem.201901360
Abstract: As candidates for biomaterials, magnesium and its alloys have promising properties such as biodegradability and biocompatibility. However, their poor mechanical properties and rapid degradation rate limit clinical application; therefore, solving these issues is essential for… read more here.
Keywords: mechanical degradation; microscopy; 2zn 5zr; degradation ... See more keywords
In Situ Study of Role of Microstructure on Antiwear Tribofilm Formation on AZ91 Magnesium Alloy under Zinc Dialkyldithiophosphate Containing Lubricant
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DOI: 10.1002/adem.202000335
Abstract: Herein, role of microstructure on friction and wear properties of as‐cast and aged AZ91 alloy is investigated using atomic force microscopy (AFM) in lubricated conditions. The lubricant contains commercial antiwear additive zinc dialkyldithiophosphate (ZDDP), which… read more here.
Keywords: role microstructure; alloy; tribofilm formation; tribofilm ... See more keywords
Interaction of Fe‐Containing, Secondary Al–Si Alloy with Oxide and Carbon‐Containing Ceramics for Fe Removal
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DOI: 10.1002/adem.202100595
Abstract: Fe is a detrimental impurity element in secondary, i.e., recycled, Al–Si cast alloys for castability and mechanical properties. Fe removal can be achieved by binding Fe into Fe‐containing, primary particles and removing these from the,… read more here.
Keywords: alloy oxide; secondary alloy; interaction; alloy ... See more keywords
Fabrication of Nanocrystalline High‐Strength Magnesium−Lithium Alloy by Rotary Swaging
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DOI: 10.1002/adem.202100666
Abstract: A high‐strength magnesium‐lithium alloy is successfully fabricated via cold rotary swaging herein. The microstructure evolution in the central and edge regions of the alloy bar during the swaging process is explored using transmission electron microscopy.… read more here.
Keywords: alloy; central region; alloy bar; strength ... See more keywords
Corrosion‐Resistant Superhydrophobic Coatings on Mg Alloy Surfaces Inspired by Lotus Seedpod
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DOI: 10.1002/adfm.201605446
Abstract: Superhydrophobic surfaces are widely found in nature, inspiring the development of excellent antiwater surfaces with barrier coatings isolating the underlying materials from the external environment. Here, the naturally occurring superhydrophobicity of lotus seedpod surfaces is… read more here.
Keywords: alloy surfaces; alloy; lotus seedpod; corrosion ... See more keywords