Academic literature on the topic 'Multi-axial forging'

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Journal articles on the topic "Multi-axial forging"

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Li, Ting, Kui Zhang, Zhi Wei Du, Jia Wei Yuan, and Xing Gang Li. "Production of Fine-Grained and Weak Texture Structure in an Mg-7Gd-5Y-1Nd-0.5Zr Alloy by Multi-Axial Forging." Applied Mechanics and Materials 633-634 (September 2014): 120–24. http://dx.doi.org/10.4028/www.scientific.net/amm.633-634.120.

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Multi-axial forging was employed to produce simultaneously ultrafine grain size and weak texture in an Mg-7Gd-5Y-1Nd-0.5Zr alloy. The results indicate that the structure of fine grain size and weak texture could be achieved after two cycles of multi-axial forging, which leads to a substantial mechanical properties improvement. The grain refinement mechanism and texture evolution of Mg-7Gd-5Y-1Nd-0.5Zr alloy during multi-axial forging have been investigated.
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Jeong, Hyo-Tae, MinSeong Kim, SangChul Kwon, SunTae Kim, Seong Lee, and Shi-Hoon Choi. "Comparison Between Multi-Axial Forging and Multi-Axial Diagonal Forging of AA1100 Using Finite Element Analysis." Korean Journal of Metals and Materials 57, no. 1 (2019): 18–27. http://dx.doi.org/10.3365/kjmm.2019.57.1.18.

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Arya, V., and A. K. Padap. "Fabrication of wear resistant nanocomposite and its mechanical properties: A step towards sustainability." Materialwissenschaft und Werkstofftechnik 55, no. 3 (2024): 266–78. http://dx.doi.org/10.1002/mawe.202300234.

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AbstractNowadays, particulate reinforced aluminium composites are appealing structural materials for numerous applications, such as automotive and aerospace, due to their low weight and high specific strength. Nanocomposite morphology and interfacial properties may alter when nano sized particles are reinforced with an aluminium matrix. The addition of nano reinforcement of aluminium oxide particle improve the mechanical strength of base alloy and a further improvement in mechanical properties may be enhanced by grain refinement processed under multi axial forging technique. The present study
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Juhász, Zs, T. Bíró, and J. B. Renkó. "Design and manufacture of closed die multi-axial forging tool." IOP Conference Series: Materials Science and Engineering 1246, no. 1 (2022): 012009. http://dx.doi.org/10.1088/1757-899x/1246/1/012009.

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Abstract In the last decades many solutions were developed to achieve multi-axial forging. Outstanding among these is the two-way process that can be implemented on the Maxstrain unit of the Gleeble thermophysical simulator. Although the experiments performed on the Gleeble system were well suited for characterize mechanical models, this system had some serious issues, such as the outflow of material from the forging zone. To solve these problems, a new forming tool was designed, in which the total volume of the workpiece is deformed, and the shanks used for fastening can be omitted.
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Qin, Dongyang, Huifang Liu та Yulong Li. "β Grain Size Inhomogeneity of Large Scale Ti-5Al-5V-5Mo-3Cr Alloy Bulk after Multi-Cycle and Multi-Axial Forging in α + β Field". Materials 16, № 4 (2023): 1692. http://dx.doi.org/10.3390/ma16041692.

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In order to fabricate homogeneous large-scale Ti-5Al-5V-5Mo-3Cr (Ti-5553) alloy bulk with fine and equiaxial β grain, we performed a series of multi-axial α + β field forging with 62 forging cycles on the large-scale Ti-5553 billet by using 12.5 MN high-speed hydraulic press. The β-annealed microstructure was the starting microstructure of the billet. After the 6th forging cycle, β grain deformed dramatically, and the grain-boundary network developed within the irregular β grain. As the forging cycle increased to 44, the volume fraction of the fine and equiaxial β grain that is less than 20 μm
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Azimi, Amin, Gbadebo Moses Owolabi, Hamid Fallahdoost, Nikhil Kumar, Horace Whitworth, and Grant Warner. "AA2219 Aluminum Alloy Processed via Multi-Axial Forging in Cryogenic and Ambient Environments." Journal of Materials Science Research 8, no. 2 (2019): 1. http://dx.doi.org/10.5539/jmsr.v8n2p1.

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This paper presents the microstructure and the mechanical behavior of nanocrystalline AA2219 processed by multi axial forging (MAF) at ambient and cryogenic temperatures. The X-ray diffraction pattern and transmission electron microscopy micrographs in the initial microstructure characterization indicate a more effective severe plastic deformation during the cryogenic MAF than the same process conducted at room temperature. MAF at cryogenic temperature results in crystallite size reduction to nanoscales as well as second phase particles breakage to finer particles which are the crucial factors
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Wang, Xiao Juan, and Bao Jun Han. "Grain Refinement of Fe-32%Ni Alloy by Multi-Axial Forging." Applied Mechanics and Materials 80-81 (July 2011): 18–21. http://dx.doi.org/10.4028/www.scientific.net/amm.80-81.18.

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The effect of strain on the microstructure evolution of Fe-32%Ni alloy during multi-axial forging at the temperature of 500°C and a strain rate of 210-2 s-1 was investigated by optical microscope (OM), scanning electron microscopy (SEM), transmission electron microscopy (TEM) and electron back scatter diffraction (EBSD) observations. The results show that the austenite grains were greatly refined with increasing cumulative strain, and the microstructure evolution during multi-axial forging can be summarized as such a process that deformation bands crossing each other subdivide the original aus
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Bíró, Tamás, Zsombor Juhász, and József Bálint Renkó. "Simulation of CuE Copper Alloy in a Closed-Die Multi-Axial Forging Tool." Acta Materialia Transylvanica 5, no. 1 (2022): 1–5. http://dx.doi.org/10.33924/amt-2022-01-01.

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Abstract Two-way multi-axial forging was performed on a newly designed closed-die forging tool. The tool was operated on an MTS 810 material testing system. The connected computer recorded force and crosshead displacement as a function of time during operation. The sample material of the four-step forging experiment was CuE copper alloy. The plastic deformation was 0.8 per step, thus the rate of cumulative equivalent plastic strain was 3.2 by the end of the process. The speed of movement of the active tools during the whole test was 2 mm/min. Finite element simulation was performed with QForm3
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Han, Bao Jun. "The EBSD Investigation on Microstructure Evolution in Fe-32%Ni Alloy during Multi-Axial Forging." Applied Mechanics and Materials 26-28 (June 2010): 260–64. http://dx.doi.org/10.4028/www.scientific.net/amm.26-28.260.

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The microstructure evolution taking place in Fe-32%Ni alloy during multi-axial forging was investigated by electron backscattered diffraction (EBSD). The samples were compressed with loading direction changed through 90º from pass to pass at temperature of 650°C and a strain rate of 10-1/s. The results show the microstructure evolution is characterized by continuous grain subdivision process, i.e. the multi-axial forging promotes the development of deformation bands in various direction followed by their frequent intersection in grain interiors with changing of strain path, which results in co
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Deng, Zi Yu, Xian Gang Chen, and Jian Zhong Cui. "Study on Texture of AZ80 Magnesium Alloy Induced by Multi-Axial Forging." Advanced Materials Research 690-693 (May 2013): 2254–57. http://dx.doi.org/10.4028/www.scientific.net/amr.690-693.2254.

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The texture of as-cast AZ80 magnesium alloy after multi-axial forging processes was investigated by electron backscatter diffraction (EBSD). The results show that, the first cycle induced two groups of texture forming, which had certain angles to the elongated direction and had high strength surface texture in specimen. However, after the second process, dynamic recrystallization occurred and majority of tensile twins developed, which made a small deflection on basal plane, and the orientation of the texture of basal plane changed. It resulted in the texture intensity decrease. The weak textur
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Dissertations / Theses on the topic "Multi-axial forging"

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Biswas, Somjeet. "Evolution Of Texture And MIcrostructure During Processing Of Pure Magnesium And The Magnesium Alloy AM30." Thesis, 2010. https://etd.iisc.ac.in/handle/2005/1258.

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Magnesium is the lightest metal that can be used for structural applications. For the reasons of weight saving, there has been an increasing demand for magnesium from the automotive industry. However, poor formability at room temperature, due to a limited number of slip systems available owing to its hexagonal close packed crystal structure, imposes severe limitations on the application of Mg and its alloys in the wrought form. One possibility for improving formability is to form the components superplastically. For this, it is necessary to refine the grain structure. A fine-grained material i
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Biswas, Somjeet. "Evolution Of Texture And MIcrostructure During Processing Of Pure Magnesium And The Magnesium Alloy AM30." Thesis, 2010. http://etd.iisc.ernet.in/handle/2005/1258.

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Magnesium is the lightest metal that can be used for structural applications. For the reasons of weight saving, there has been an increasing demand for magnesium from the automotive industry. However, poor formability at room temperature, due to a limited number of slip systems available owing to its hexagonal close packed crystal structure, imposes severe limitations on the application of Mg and its alloys in the wrought form. One possibility for improving formability is to form the components superplastically. For this, it is necessary to refine the grain structure. A fine-grained material i
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More, Abhishek Mukund. "Effect of processing on texture and microstructure in Aluminium-Lithium alloys and its consequences on mechanical properties." Thesis, 2018. https://etd.iisc.ac.in/handle/2005/5365.

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Lightweight Aluminium -Lithium based alloys have high potential for use in aerospace structural components. However, large anisotropy in mechanical properties restricts the use of these alloys. The alloy AA2195 (Al-Li-Cu-Mg-Ag-Zr) is the third generation Al-Li based alloy which is viewed as the most promising choice for structural aerospace applications among the other Al-Li alloys. However, even in this alloy, the combined effect of crystallographic texture and heterogeneous distribution of precipitates leads to mechanical property anisotropy, which is highly undesirable for the formability o
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Sabat, Rama Krushna. "Evolution of Microstructure and Texture during Severe Plastic Deformation of a Magnesium-Cerium Alloy." Thesis, 2014. http://etd.iisc.ac.in/handle/2005/2956.

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Magnesium alloys have poor formability at room temperature, due to a limited number of slip systems owing to the hexagonal closed packed structure of magnesium. One possibility to increase the formability of magnesium alloys is to refine the grain size. A fine grain magnesium alloy shows high strength and high ductility at room temperature, hence an improved formability. In addition to grain refinement, the formability of Mg alloys can be improved by controlling crystallographic texture. Severe plastic deformation (SPD) processes namely, equal channel angular pressing (ECAP) and multi-axial fo
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Sabat, Rama Krushna. "Evolution of Microstructure and Texture during Severe Plastic Deformation of a Magnesium-Cerium Alloy." Thesis, 2014. http://etd.iisc.ernet.in/handle/2005/2956.

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Magnesium alloys have poor formability at room temperature, due to a limited number of slip systems owing to the hexagonal closed packed structure of magnesium. One possibility to increase the formability of magnesium alloys is to refine the grain size. A fine grain magnesium alloy shows high strength and high ductility at room temperature, hence an improved formability. In addition to grain refinement, the formability of Mg alloys can be improved by controlling crystallographic texture. Severe plastic deformation (SPD) processes namely, equal channel angular pressing (ECAP) and multi-axial fo
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Book chapters on the topic "Multi-axial forging"

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Prabhakar, Srijan, D. Ravi Kumar, and S. Aravindan. "Numerical and Experimental Investigation of Multi-axial Forging of AA6082 Alloy." In Lecture Notes in Mechanical Engineering. Springer International Publishing, 2024. http://dx.doi.org/10.1007/978-3-031-58006-2_3.

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AbstractMulti-axial forging is a useful technique for producing ultrafine-grained structures in bulk materials by means of severe plastic deformation. The workpiece is subjected to a specific plastic strain in the multi-axial forging process by repeatedly upsetting along all three axes by rotating the sample by 90° between the two passes; this leads to the accumulation of a large plastic strain in the material. The shape of the product does not change, as equal compressive strain is applied in all directions. Severe plastic deformation methods such as multi-axial forging can be used for produc
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Padap, Aditya K., Gajanan P. Chaudhari, and Sumeer K. Nath. "Dry Sliding Wear Behavior of Ultrafine-Grained Mild Steel Processed Using Multi Axial Forging." In Chemistry for Sustainable Development. Springer Netherlands, 2011. http://dx.doi.org/10.1007/978-90-481-8650-1_14.

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Khalkho, John Samson, and Dagarapu Benny Karunakar. "Effect of Multi-axial Forging on Mechanical Properties and Microstructure of AA7075/TaC Composites." In The Minerals, Metals & Materials Series. Springer Nature Switzerland, 2024. http://dx.doi.org/10.1007/978-3-031-50349-8_45.

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Padap, A. K., G. P. Chaudhari, and S. K. Nath. "Dry Sliding Wear and Corrosion Behavior of Ultrafine-grained HSLA Steel Processed using Multi Axial Forging." In Supplemental Proceedings. John Wiley & Sons, Inc., 2011. http://dx.doi.org/10.1002/9781118062142.ch17.

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Noda, Masafumi, Kunio Funami, and Yutaka Suwahara. "Effects of Constraint and Strain Path on Evolution of Ultrafine Grained Microstructure by Multi-Axial Alternative Forging." In Materials Science Forum. Trans Tech Publications Ltd., 2005. http://dx.doi.org/10.4028/0-87849-960-1.3471.

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Maldonado, A. J., M. Weaver, and R. D. K. Misra. "Ultrafine-Grained Magnesium Alloys Manufactured by Multi-axial Forging: Elucidating Mechanisms of Achieving Both High Strength and High Ductility." In Magnesium Technology 2024. Springer Nature Switzerland, 2024. http://dx.doi.org/10.1007/978-3-031-50240-8_23.

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Kedia, Bipin, and Ilangovan Balasundar. "Titanium Alloys: Thermomechanical Process Design to Achieve Superplasticity in Bulk Material." In Titanium Alloys - Recent Progress in Design, Processing, Characterization, and Applications [Working Title]. IntechOpen, 2022. http://dx.doi.org/10.5772/intechopen.108463.

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Titanium alloys subjected to suitable thermomechanical processing (TMP) schedules can exhibit superplasticity. Most studies on superplasticity of titanium alloys are directed to sheet materials while studies on bulk materials are rather limited. Bulk Superplastic materials require lower load for forging aeroengine components. It further facilitates forming using non-conventional processes such as superplastic roll forming (SPRF). Multi axial forging (MAF), is employed here to achieve bulk superplasticity by imparting large strain without any concomitant change in external dimension. A comparis
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Conference papers on the topic "Multi-axial forging"

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Khalkho, John Samson, and D. Benny Karunakar. "Effect of Multi-Axial Forging on Mechanical Properties and Microstructures of AA7075/TaC Composites." In ASME 2023 18th International Manufacturing Science and Engineering Conference. American Society of Mechanical Engineers, 2023. http://dx.doi.org/10.1115/msec2023-105434.

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Abstract The objective of the current work is to develop a AA7075 reinforced Tantalum Carbide (1, 3, 5, and 7 wt%) composite through stir casting. The secondary process such as Multi-axial forging (MAF) followed by ageing was performed on AA7075/5TaC(S-4) composite to enhance the strength and ductility of composite. The evolution of microstructures were examined by Optical microscope (OM) and Field emission scanning electron microscopy (FESEM) and the MAF process was analyzed by Electron back scattered diffraction (EBSD). The microstructure characterization reveals that refinement of grains ta
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Hurrell, P. R., B. M. E. Pellereau, C. M. Gill, E. Kingston, D. Smith, and P. J. Bouchard. "Development of Residual Stress Profiles for Defect Tolerance Assessments of Thick Section Electron Beam Welds." In ASME 2014 Pressure Vessels and Piping Conference. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/pvp2014-28809.

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This paper describes the results of weld model analysis and deep hole-drilling measurements undertaken to evaluate residual stress distributions in austenitic and ferritic steel thick section electron beam welds. The work was undertaken in support of a Rolls-Royce and TWI development programme in the UK, for a Reduced Pressure Electron Beam (RPEB, 0.1 to 1mbar) welding process using a mobile local vacuum seal for the manufacture of thick section pressure vessel and pipe welds for nuclear power plant applications. Measurements were undertaken on representative mock-ups including a 160mm thick S
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