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Articoli di riviste

Letteratura scientifica selezionata sul tema "Mpfem"

Autore: Grafiati

Pubblicato: 1 marzo 2025

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Articoli di riviste sul tema "Mpfem"

1

Che, Lida, Kai Wang, Zhanfang Wu, and Xiangyang Li. "The Combination of X-ray Ct and Multi-particle Finite Element Method for Powder Compaction." Journal of Physics: Conference Series 2913, no. 1 (2024): 012015. https://doi.org/10.1088/1742-6596/2913/1/012015.

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Abstract The macroscopic mechanical properties of granular materials are closely related to their microscopic properties, and studying the compression problem of powder is helpful for establishing a constitutive law of powder compaction process. This study utilized X-ray CT technology to investigate the 3D numerical analysis model of loose particle stacking and compaction based on MPFEM, and investigated the mechanical behavior of powder under compression. The results of MPFEM were experimentally verified through powder uniaxial compression experiments, and the results showed that the calculated results of MPFEM were in good agreement with the experimental results. The method of X-ray CT can effectively capture the geometric characteristics of powder particles, and the MPFEM can obtain the true characteristics of plastic deformation of powder bodies, which is an important means of developing powder compaction constitutive models.

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2

Lee, Kyung-Hun, Jung-Min Lee, and Byung-Min Kim. "Particle Behavior and Deformation During Compaction of Al Powder Using MPFEM." Transactions of the Korean Society of Mechanical Engineers A 34, no. 4 (2010): 383–90. http://dx.doi.org/10.3795/ksme-a.2010.34.4.383.

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3

Zhang, Wei, Chuanniu Yuan, Weijian Xiao, et al. "MPFEM investigation on densification and mechanical structures during ferrous powder compaction." Advanced Powder Technology 35, no. 12 (2024): 104700. http://dx.doi.org/10.1016/j.apt.2024.104700.

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4

Han, Peng, Xizhong An, Yuxi Zhang, et al. "Particulate scale MPFEM modeling on compaction of Fe and Al composite powders." Powder Technology 314 (June 2017): 69–77. http://dx.doi.org/10.1016/j.powtec.2016.11.021.

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5

Xu, Lei, Yasong Wang, Changyun Li, Guoliang Ji, and Guofa Mi. "MPFEM simulation on hot-pressing densification process of SiC particle/6061Al composite powders." Journal of Physics and Chemistry of Solids 159 (December 2021): 110259. http://dx.doi.org/10.1016/j.jpcs.2021.110259.

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6

Jia, Qian, Xizhong An, Haiyang Zhao, Haitao Fu, Hao Zhang, and Xiaohong Yang. "Compaction and solid-state sintering of tungsten powders: MPFEM simulation and experimental verification." Journal of Alloys and Compounds 750 (June 2018): 341–49. http://dx.doi.org/10.1016/j.jallcom.2018.03.387.

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7

Demirtas, Ahmet, and Gerard R. Klinzing. "Understanding die compaction of hollow spheres using the multi-particle finite element method (MPFEM)." Powder Technology 391 (October 2021): 34–45. http://dx.doi.org/10.1016/j.powtec.2021.06.004.

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8

Zou, Yi, Xizhong An, Qian Jia, Ruiping Zou, and Aibing Yu. "Three-dimensional MPFEM modelling on isostatic pressing and solid phase sintering of tungsten powders." Powder Technology 354 (September 2019): 854–66. http://dx.doi.org/10.1016/j.powtec.2019.07.013.

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9

Han, Peng, Xizhong An, Defeng Wang, et al. "MPFEM simulation of compaction densification behavior of Fe-Al composite powders with different size ratios." Journal of Alloys and Compounds 741 (April 2018): 473–81. http://dx.doi.org/10.1016/j.jallcom.2018.01.198.

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10

Güner, Faruk. "Numerical Investigation of AISI 4140 Powder High Relative Density Compaction In Terms of Compaction Velocity." Mechanics 26, no. 1 (2020): 5–11. http://dx.doi.org/10.5755/j01.mech.26.1.22862.

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Abstract (sommario):

In this study high relative density compaction of AISI 4140 steel powder compaction numerically investigated via different compaction velocities using Multi Particle Finite Element Method (MPFEM). 2D Analyses performed by three different particle geometry; 25µm, 35µm and 45µm in radius. Particle size effect also investigated via high relative density and compaction velocity. von Mises Power law evaluated for AISI 4140 steel powder and utilized to analysis. Results were plotted both in visually and graphically in aim to show effect of relative density, particle size, contact interactions and compaction velocity. The stress distribution through the height of die revealed out. A four-fold increase in compaction velocity increase the Equivalent von Mises stress 2% where the stress value can reach up to 3 times the yield stress. Stress values along the punch to the bottom of the die show a parabolic tendency with compaction velocity increase.

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