Mechanism of Dynamic Formation of Ultrafine Ferrite Grains during High Temperature Processing in Steel
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DOI: 10.1002/adem.201600778
Abstract: The grain refinement mechanism of ferrite dynamically transformed (DT) from austenite is investigated in a 10Ni–0.1C steel. For decades, it has been debated whether dynamic recrystallization (DRX) contributes to the grain refinement of DT ferrite.… read more here.
Keywords: ferrite; steel; ferrite grains; grain ... See more keywords
Modulation of biological properties by grain refinement and surface modification on titanium surfaces for implant-related infections
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DOI: 10.1007/s10853-019-03811-2
Abstract: The nanostructured titanium (Ti) obtained by the equal-channel angular pressing (ECAP) has shown great promise as a biomedical implant material over the past few decades. The present work aims to investigate the effect of topographical… read more here.
Keywords: surface; biological properties; titanium; properties grain ... See more keywords
Effect of La addition on microstructure evolution of hypoeutectic Al–6Si alloys
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DOI: 10.1007/s10853-020-04522-9
Abstract: Solidification experiments were carried out for Al–6Si alloys with different La addition levels. The results demonstrate that the average sizes of the α-Al grains and the eutectic Si have a tendency of first decreasing and… read more here.
Keywords: addition; hypoeutectic 6si; effect; grain refinement ... See more keywords
Effects of Grain Refinement on Tensile Properties and Precipitation Kinetics of Al-Si-Mg Alloys Cast in Sand Molds
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DOI: 10.1007/s11663-020-01910-z
Abstract: Effects of grain refinement on the tensile properties and precipitation kinetics of Al-Si-Mg alloys cast in sand molds by co-alloying of La–B elements were investigated in this work. The kinetics of precipitation after refinement were… read more here.
Keywords: effects grain; precipitation kinetics; tensile properties; properties precipitation ... See more keywords
Abnormal Grain Refinement Behavior in High-Pressure Die Casting of Pure Mg with Addition of Zr as Grain Refiner
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DOI: 10.1007/s11837-018-3087-6
Abstract: AbstractAbnormal grain refinement behavior was found during high-pressure die casting of pure Mg with addition of Zr as grain refiner. The grain size of die-cast pure Mg was only 6.71 µm, whereas it abnormally increased to… read more here.
Keywords: grain refiner; pressure die; die casting; high pressure ... See more keywords
Thermal Mechanisms of Grain Refinement in Steels: A Review
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DOI: 10.1007/s12540-020-00700-1
Abstract: Abstract Thermal mechanisms of microstructural refinement in steels were reviewed. These include thermal cycling, martensite process, and static recrystallization (SRX), in which the dominant stage of microstructural refinement is governed by an annealing treatment of… read more here.
Keywords: thermal mechanisms; refinement steels; refinement; martensite process ... See more keywords
Effect of Grain Refinement on Corrosion Rate, Mechanical and Machining Behavior of Friction Stir Processed ZE41 Mg Alloy
Sign Up to like & getrecommendations! Published in 2018 at "Transactions of the Indian Institute of Metals"
DOI: 10.1007/s12666-018-1467-9
Abstract: The aim of the present work is to modify the microstructure of ZE41 Mg alloy by friction stir processing (FSP) and to study the influence of microstructure on the corrosion, mechanical and machining behavior. Microstructural… read more here.
Keywords: ze41 alloy; machining behavior; corrosion; grain ... See more keywords
Grain Refinement During Directionally Solidifying GCr18Mo Steel at Low Pulling Speeds Under an Axial Static Magnetic Field
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DOI: 10.1007/s40195-017-0691-3
Abstract: The present work investigates how axial static magnetic field affects the solidification structure and the solute distribution in directionally solidified GCr18Mo steel. Experimental results show that grain refinement and the columnar to equiaxed transition is… read more here.
Keywords: field; static magnetic; gcr18mo steel; magnetic field ... See more keywords
Fragmentation-driven grain refinement in directional solidification of AlCu10wt-% alloy at low pulling speeds
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DOI: 10.1016/j.actamat.2016.12.063
Abstract: Abstract The formation of the grain structure in Al-10 wt%Cu alloy during directional solidification was investigated experimentally. The alloy composition was chosen because of its special feature that both the initial melt composition and the solidifying… read more here.
Keywords: driven grain; fragmentation driven; solidification; refinement directional ... See more keywords
Investigation on temporal evolution of the grain refinement in copper under high strain rate loading via in-situ synchrotron measurement and predictive modeling
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DOI: 10.1016/j.actamat.2017.10.005
Abstract: Abstract Synchrotron X-rays are integrated with a modified Kolsky tension bar to conduct in situ characterization of the grain refinement mechanism operating during the dynamic deformation of metals. Copper with an initial average grain size… read more here.
Keywords: synchrotron; refinement; temporal evolution; grain ... See more keywords
The role of pyramidal 〈 + 〉 dislocations in the grain refinement mechanism in Ti-6Al-4V alloy processed by severe plastic deformation
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DOI: 10.1016/j.actamat.2020.08.076
Abstract: Abstract This study focuses on the role of pyramidal 〈c + a〉 dislocations in the grain refinement mechanism in the Ti-6Al-4V alloy with an initial { 11 2 ¯ 0 } 10 1 ¯ 0 > rolling… read more here.
Keywords: mechanism 6al; refinement mechanism; dislocations grain; pyramidal dislocations ... See more keywords