This research proposed new routes Research on Grain Refinement Mechanism of 6061 Aluminum Alloy Processed by Combined SPD Methods of ECAP and MAC Materials (Basel). 2018 Jul 20;11(7):1246. doi: 10.3390/ma11071246. Authors Zhenwei Zhang 1 ...
Cited by: 8The single ECAP and MAC deformations were conducted to make the comparison with CECC. The aim of this work is to explore the best CECC route and research the grain
Cited by: 8AMA Style. Zhang Z, Wang J, Zhang Q, Zhang S, Shi Q, Qi H. Research on Grain Refinement Mechanism of 6061 Aluminum Alloy Processed by Combined SPD
Cited by: 82018-7-20€esearch on Grain Refinement Mechanism of 6061 Aluminum Alloy Processed by Combined SPD Methods of ECAP and IF 3.057) Pub Date : 2018-07-20, DOI: 10.3390/ma11071246 Zhenwei Zhang, Junli Wang, Qinglong Zhang, Supeng Zhang, Qingnan Shi, Huarong Qi
2018-7-20€esearch on Grain Refinement Mechanism of 6061 Aluminum Alloy Processed by Combined SPD Methods of ECAP and MAC
7Materials (2018-07-01) . Research on Grain Refinement Mechanism of 6061 Aluminum Alloy Processed by Combined SPD Methods of ECAP and MAC
2018-7-25€igma-Aldrich offers abstracts and full-text articles by [Zhenwei Zhang, Junli Wang, Qinglong Zhang, Supeng Zhang, Qingnan Shi, Huarong Qi].
Research on Grain Refinement Mechanism of 6061 Aluminum Alloy Processed by Combined SPD Methods of ECAP and MAC . Equal channel angular pressing (ECAP) and multi-axial compression deformation (MAC) are severe plastic deformation (SPD) processes that produce bulk nanostructured materials with ultrafine grains.
Download Table Mechanical properties of 6061 aluminum alloy processed by different SPD (Severe plastic deformation) methods. from publication: Research on Grain Refinement Mechanism of 6061 ...
2021-11-16€ased on the theoretical research and experimental analysis, researches on grain refinement and its mechanism of pure aluminum under a novel permanent magnet stirring are systematically investigated. We believe that our research will give you a new understanding of permanent magnet stirring and inspire your further research.
Materials (2018-07-01) . Research on Grain Refinement Mechanism of 6061 Aluminum Alloy Processed by Combined SPD Methods of ECAP and MAC
Research on Grain Refinement Mechanism of 6061 Aluminum Alloy Processed by Combined SPD Methods of ECAP and MAC . Equal channel angular pressing (ECAP) and multi-axial compression deformation (MAC) are severe plastic deformation (SPD) processes that produce bulk nanostructured materials with ultrafine grains.
Article esearch on Grain Refinement Mechanism of 6061 Aluminum Alloy Processed by Combined SPD Methods of ECAP and MAC Detailed information of the J-GLOBAL is a service based on the concept of Linking, Expanding, and Sparking, linking science and ...
2011-8-1€ighlights A dislocation density-based numerical model is developed to simulate grain refinement by orthogonal cutting of Al 6061 T6 and OFHC Cu. The model predictions of steady-state chip formation and strain distribution are in good agreement with the measurements. The model predictions of the average grain size in the chip generally matched well with the measured values under varying ...
2018-10-1€2.2. Materials. The base aluminium alloys used for this study were Al-7Si and 6061. A commercial titanium-boron grain refiner was used (Tibor ; 5 wt%Ti, 1 wt%B with Al balance) to result in a targeted alloy concentration of 0.33 wt%, 1 which is expected to provide a sufficient level of grain refinement [19,39,44].Scandium additions were made to the appropriate alloys using an Al-2 wt%Sc ...
[PDF]2013-2-11€etal nucleation and grain refining will be addressed in subsequent reports. The ultimate goal of this and subsequent studies is to help achieve effective con trol or refinement of the weld metal grain structure. Experimental Procedure The material use for welding was commercial 6061 aluminum sheets of 1.6-mm (>i6-in.) thickness. The nominal ...
2021-11-13€he refinement mechanism may provide a new way for grain refinement with low power ultrasound, which mainly depended on increasing the number of processing steps without additions. Fig. 4 Interface diagrams of 6061 aluminum Alloy Joints soldered by two different Processes, a ultrasonic soldering with coating b ultrasonic soldering with coating ...
MECHANISM OF GRAIN REFINEMENT IN ALUMINUM ALLOYS. Full Record; Other Related Research; Authors: Crossley, F A; Mondolfo, L F Publication Date: Sat Dec 01 00:00:00 EST 1951 Research Org.: Originating Research Org. not identified OSTI Identifier: 4412613 NSA Number: NSA-06-000907
The current study adopted a quantitative approach to investigating the mechanical properties, and their relationship to the microstructural features, of precipitation-strengthened 6061 aluminum alloy processed through accumulative roll bonding (ARB) and aging heat treatment. To serve this purpose, the contributions of different strengthening mechanisms including grain refinement, precipitation ...
The effect of applied forging pressure on microstructure and mechanical properties of 6061 aluminum alloy was examined. The results showed that the ultimate tensile strength, elongation and hardness of the alloy after heat-treated treatment increase with the
2018-7-20€esearch on Grain Refinement Mechanism of 6061 Aluminum Alloy Processed by Combined SPD Methods of ECAP and MAC. Zhenwei Zhang Institute of Material and Science Engineering, Kunming University of Science and Technology, Kunming 650093, China.
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Research on Grain Refinement Mechanism of 6061 Aluminum Alloy Processed by Combined SPD Methods of ECAP and MAC
For the purpose of grain refinement, the development of the microstructure of 6061 aluminum alloys during asymmetric warm-rolling was studied by electron backscatter pattern (EBSP) analysis, as well as optical and transmission electron microscopy, and compared with that developed during conventional warm-rolling. In asymmetrically rolled sheets to a thickness reduction of 91.8% at 300C, new ...
2011-8-1€ighlights A dislocation density-based numerical model is developed to simulate grain refinement by orthogonal cutting of Al 6061 T6 and OFHC Cu. The model predictions of steady-state chip formation and strain distribution are in good agreement with the measurements. The model predictions of the average grain size in the chip generally matched well with the measured values under varying ...
Grain refinement is an important melt treatment procedure for aluminium wrought alloys and aluminium foundry alloys to produce a uniform equiaxed as-cast grain structure in DC cas
1995-5-1€STI.GOV Journal Article: Mechanism of grain refinement in aluminium. Mechanism of grain refinement in aluminium. Full Record; Other Related Research
2021-9-8€ Review on Grain Refinement of Aluminum Alloys: Progresses, Challenges and Prospects. Ren-Guo Guan, Di Tie. School of Materials Science and Engineering, Northeastern University Shenyang 110819 China. Corresponding authors: Corresponding author: Ren-Guo Guan guanrg@smm.neu.edu.cn. Received: 2016-10-8.
Table 1 Chemical compositions of 6061 Al-T6 sheets (mass fraction/%) Fig.1 Schematic illustration of FSP and the sample locations for tensile tests and microstructure observations Fig.2 Cross-sectional macrostructure of FSP 6061 Al (a) A-300, (b) W-300 Fig.3 EBSD maps of A-300 (a), W-300 (b), and distribution of grain boundary misorientation angles of A-300 (c), W-300 (d)
[PDF]2016-12-19€4Comalco Research and Technical Support, Thomastown, Australia Keywords: hot tearing, grain refinement, permeability Abstract Using the CAST hot tearing rig, grain refinement was found to delay the onset of strength development and load transfer in
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[PDF]2013-2-11€echanisms in Alloy 6061 weld metal has shown that heterogeneous nucleation is responsible for grain refinement (Refs. 5, 6). Dendrite fragmentation and grain detachment mechanisms are considered to be impossible for the 6061 aluminum weld metal during gas tungsten arc weld ing. The purpose of this study was to
2011-8-1€ighlights A dislocation density-based numerical model is developed to simulate grain refinement by orthogonal cutting of Al 6061 T6 and OFHC Cu. The model predictions of steady-state chip formation and strain distribution are in good agreement with the measurements. The model predictions of the average grain size in the chip generally matched well with the measured values under varying ...
2021-3-2€6061╂€ц 1, 2, 1, 2 (), 2, 2, 2 1. у 110819 2. ㈤ 110016 Prepration and Mechanical Properties ...
Research on Grain Refinement Mechanism of 6061 Aluminum ... Jul 20, 2018 It was shown that grain refinement is caused by dynamic recrystallization and the new grains are formed, which lead to the homogenized distribution of finer grains. The electron microscopy analysis was conducted to carry out a precise investigation of the grain refining ...
Grain refinement in aluminum and copper subjected to cutting In this work, dislocation density-based material models are developed to model grain size refinement and grain misorientation during cutting of Al 6061 T6 and OFHC Cu under various cutting conditions. It is shown that the developed CEL finite element model embedded with the dislocation material models captures the essential features ...
In the present work, mechanical, tribological, and electrochemical behaviors of Al Alloy 6061(010) % B 4 C(0.251.2) % graphene nanoplatelets (GNPs) composites, prepared by a combination of solution mixing and powder metallurgy, were investigated. Properties such as hardness, compressive strength, wear rates, and coefficient of friction (COF) were used to investigate the effects of ...
[PDF]2018-1-16€he grain refinement of 6061 alloy by the addition of titanium-carbide and titanium-borides. Mechanical behavior of alloy improves with the grain refinement by this addition. Pathak et al.19 reported that addition of silicon carbide into the aluminium alloy reduced elongation. Also, the addition of reinforcement increased wear resistance.
2015-4-28€luminum alloys are increasingly being used in a broad spectrum of load-bearing applications such as lightweight structures, light rail, bridge decks, marine crafts, and off-shore platforms. A major concern in the design of land-based and marine
The 6061 aluminum alloys with different content of erbium were prepared. The erbium content was optimized by measurement of grain refining effects and tensile strength. After solid solution treatment of the alloy with optimized erbium content at 505 C ~ 595 C for 4 h. and then ageing at 160 C ~ 200 C for 3 h., the grain size decreased with the content of erbium, achieving the most ...