Analysis of the influence of dies geometry on the process extrusion force and properties of the extrudate obtained in the process of cold extrusion of 7075 aluminum alloy by the KOBO method

[1] Korbel A, Bochniak W. Method of plastic forming of materials. US5737959A, 1998 [Accessed 8th August 2020]. https://patents.google.com/patent/US5737959/en?oq=korbel+bochniak [Accessed 8th August 2020]. Korbel A Bochniak W. Method of plastic forming of materials . US5737959A, 1998 [Accessed 8th August 2020 ]. https://patents.google.com/patent/US5737959/en?oq=korbel+bochniak [Accessed 8th August 2020 ]. Search in Google Scholar

[2] Bochniak W, Korbel A. Method of plastic forming of materials. EP0711210B1, 2000 [Accessed 8th August 2020]. https://patents.google.com/patent/EP0711210B1/en?oq=korbel+bochniak [Accessed 8th August 2020]. Bochniak W Korbel A. Method of plastic forming of materials . EP0711210B1, 2000 [Accessed 8th August 2020 ]. https://patents.google.com/patent/EP0711210B1/en?oq=korbel+bochniak [Accessed 8th August 2020]. Search in Google Scholar

[3] Bochniak W. Teoretyczne i praktyczne aspekty plastycznego kształowania metali: metoda KoBo. Kraków: Wydawnictwa AGH; 2009. Bochniak W. Teoretyczne i praktyczne aspekty plastycznego kształowania metali: metoda KoBo . Kraków : Wydawnictwa AGH ; 2009 . Search in Google Scholar

[4] Sztwiertnia K, Kawałko J, Bieda M, Berent K. Microstructure of Polycrystalline Zinc Subjected to Plastic Deformation by Complex Loading / Mikrostruktura Polikrystalicznego Cynku Odkształconego Plastycznie W Złozonym Schemacie Deformacji. Arch. Metall. Mater. 2013;58(1): 157–161. doi: 10.2478/v10172-012-0167-4 Sztwiertnia K Kawałko J Bieda M Berent K. Microstructure of Polycrystalline Zinc Subjected to Plastic Deformation by Complex Loading / Mikrostruktura Polikrystalicznego Cynku Odkształconego Plastycznie W Złozonym Schemacie Deformacji . Arch. Metall. Mater . 2013 ; 58 ( 1 ): 157 – 161 . doi: 10.2478/v10172-012-0167-4 Open DOISearch in Google Scholar

[5] Bochniak W, Korbel A, Ostachowski P, Ziółkiewicz S, Borowski J. Wyciskanie metali i stopów metodą KOBO. Obróbka Plastyczna Metali. 2013;XXIV(2). Bochniak W Korbel A Ostachowski P Ziółkiewicz S Borowski J. Wyciskanie metali i stopów metodą KOBO . Obróbka Plastyczna Metali . 2013 ; XXIV ( 2 ). Search in Google Scholar

[6] Korbel A, Bochniak W, Ostachowski P, Błaż L. Visco-Plastic Flow of Metal in Dynamic Conditions of Complex Strain Scheme. Metall. Mater. Trans. A. 2011;42(9): 2881–2897. doi: 10.1007/s11661-011-0688-x Korbel A Bochniak W Ostachowski P Błaż L. Visco-Plastic Flow of Metal in Dynamic Conditions of Complex Strain Scheme . Metall. Mater. Trans. A . 2011 ; 42 ( 9 ): 2881 – 2897 . doi: 10.1007/s11661-011-0688-x Open DOISearch in Google Scholar

[7] Zwolak M, Śliwa RE. Fizyczne modelowanie plastycznego płyniêcia w procesie wyciskania metodą KOBO z użyciem matryc o różnej geometrii. Obróbka Plastyczna Metali. 2017;28(4). http://yadda.icm.edu.pl/baztech/element/bwmeta1.element.baztech-03be5e17-d90d-4187-8020-9f026b33aed2 Zwolak M Śliwa RE. Fizyczne modelowanie plastycznego płyniêcia w procesie wyciskania metodą KOBO z użyciem matryc o różnej geometrii . Obróbka Plastyczna Metali . 2017 ; 28 ( 4 ). http://yadda.icm.edu.pl/baztech/element/bwmeta1.element.baztech-03be5e17-d90d-4187-8020-9f026b33aed2 Search in Google Scholar

[8] Korbel A, Bochniak W. Refinement and control of the metal structure elements by plastic deformation. Scr. Mater. 2004;51(8): 755–759. doi: 10.1016/j.scriptamat.2004.06.020 Korbel A Bochniak W. Refinement and control of the metal structure elements by plastic deformation . Scr. Mater . 2004 ; 51 ( 8 ): 755 – 759 . doi: 10.1016/j.scriptamat.2004.06.020 Open DOISearch in Google Scholar

[9] Korbel A, Pieła K, Ostachowski P, Łagoda M, Błaż L, Bochniak W, et al. Structural phenomena induced in the course of and post low-temperature KOBO extrusion of AA6013 aluminum alloy. Mater. Sci. Eng., A. 2018;710: 349–358. doi: 10.1016/j.msea.2017.10.095 Korbel A Pieła K Ostachowski P Łagoda M Błaż L Bochniak W Structural phenomena induced in the course of and post low-temperature KOBO extrusion of AA6013 aluminum alloy . Mater. Sci. Eng., A . 2018 ; 710 : 349 – 358 . doi: 10.1016/j.msea.2017.10.095 Open DOISearch in Google Scholar

[10] Balawender T, Zwolak M, Bąk Ł. Experimental Analysis of Mechanical Characteristics of KOBO Extrusion Method. Arch. Metall. Mater. 2020;65(2): 615–619. doi: 10.24425/AMM.2020.132800. Balawender T Zwolak M Bąk Ł. Experimental Analysis of Mechanical Characteristics of KOBO Extrusion Method . Arch. Metall. Mater . 2020 ; 65 ( 2 ): 615 – 619 . doi: 10.24425/AMM.2020.132800 . Open DOISearch in Google Scholar

[11] Kong LX, Hodgson PD, Wang B. Development of constitutive models for metal forming with cyclic strain softening. J. Mater. Process. Technol. 1999;89–90: 44–50. doi: 10.1016/S0924-0136(99)00015-1 Kong LX Hodgson PD Wang B. Development of constitutive models for metal forming with cyclic strain softening . J. Mater. Process. Technol . 1999 ; 89–90 : 44 – 50 . doi: 10.1016/S0924-0136(99)00015-1 Open DOISearch in Google Scholar

[12] Kong LX, Hodgson PD. Constitutive modelling of extrusion of lead with cyclic torsion. Mater. Sci. Eng., A. 2000;276(1–2): 32–38. doi: 10.1016/S0921-5093(99)00511-0. Kong LX Hodgson PD. Constitutive modelling of extrusion of lead with cyclic torsion . Mater. Sci. Eng., A . 2000 ; 276 ( 1–2 ): 32 – 38 . doi: 10.1016/S0921-5093(99)00511-0 . Open DOISearch in Google Scholar

[13] Maciejewski J, Mróz Z. An upper-bound analysis of axisymmetric extrusion assisted by cyclic torsion. J. Mater. Process. Technol. 2008;206(1–3): 333–344. doi: 10.1016/j.jmatprotec.2007.12.061. Maciejewski J Mróz Z. An upper-bound analysis of axisymmetric extrusion assisted by cyclic torsion . J. Mater. Process. Technol . 2008 ; 206 ( 1–3 ): 333 – 344 . doi: 10.1016/j.jmatprotec.2007.12.061 . Open DOISearch in Google Scholar

[14] Lukaszkowicz K. Forming the structure and properties of hybrid coatings on reversible rotating extrusion dies. J. Achiev. Mater. Manuf. Eng. 2012;55(2): 66. Lukaszkowicz K. Forming the structure and properties of hybrid coatings on reversible rotating extrusion dies . J. Achiev. Mater. Manuf. Eng . 2012 ; 55 ( 2 ): 66 . Search in Google Scholar

[15] Wójcik M, Skrzat A. The Coupled Eulerian-Lagrangian Analysis of the KOBO Extrusion Process. Adv. Sci. Technol. Res. J. 2021;15(1): 197–208. doi: 10.12913/22998624/131663. Wójcik M Skrzat A. The Coupled Eulerian-Lagrangian Analysis of the KOBO Extrusion Process . Adv. Sci. Technol. Res. J . 2021 ; 15 ( 1 ): 197 – 208 . doi: 10.12913/22998624/131663 . Open DOISearch in Google Scholar

[16] Totten GE, Tiryakioḡlu M, Kessler O, [eds.]. Encyclopedia of Aluminum and Its Alloys, Two-Volume Set (Ebook). 1st ed. Boca Raton, FL: CRC Press; 2018. Totten GE Tiryakioḡlu M Kessler O [eds.]. Encyclopedia of Aluminum and Its Alloys, Two-Volume Set (Ebook) . 1st ed. Boca Raton, FL : CRC Press ; 2018 . Search in Google Scholar

[17] J. R. Davis & Associates, ASM International, [eds.]. Aluminum and aluminum alloys. Materials Park, OH: ASM International; 1993. Davis J. R. Associates, ASM International [eds.]. Aluminum and aluminum alloys . Materials Park, OH : ASM International ; 1993 . Search in Google Scholar

[18] Sheppard T, Tunnicliffe PJ, Patterson SJ. Direct and indirect extrusion of a high strength aerospace alloy (AA 7075). J. Mech. Work. Technol. 1982;6(4): 313–331. doi: 10.1016/0378-3804(82)90031-6. Sheppard T Tunnicliffe PJ Patterson SJ. Direct and indirect extrusion of a high strength aerospace alloy (AA 7075) . J. Mech. Work. Technol . 1982 ; 6 ( 4 ): 313 – 331 . doi: 10.1016/0378-3804(82)90031-6 . Open DOISearch in Google Scholar

[19] Rokni MR, Zarei-Hanzaki A, Abedi HR, Haghdadi N. Microstructure evolution and mechanical properties of backward thixoextruded 7075 aluminum alloy. Mater. Des. 2012;36: 557–563. doi: 10.1016/j.matdes.2011.11.061. Rokni MR Zarei-Hanzaki A Abedi HR Haghdadi N. Microstructure evolution and mechanical properties of backward thixoextruded 7075 aluminum alloy . Mater. Des . 2012 ; 36 : 557 – 563 . doi: 10.1016/j.matdes.2011.11.061 . Open DOISearch in Google Scholar

[20] Song Y, Zhang Z, Wang K, Li H, Zhu Z. Effects of Extrusion Processing on Microstructure of 7075Al Alloy in the Semi-solid State. J. Wuhan Univ. Technol. Mater. Sci. Ed. 2019;34(6): 1433–1443. doi: 10.1007/s11595-019-2210-z. Song Y Zhang Z Wang K Li H Zhu Z. Effects of Extrusion Processing on Microstructure of 7075Al Alloy in the Semi-solid State . J. Wuhan Univ. Technol. Mater. Sci. Ed . 2019 ; 34 ( 6 ): 1433 – 1443 . doi: 10.1007/s11595-019-2210-z . Open DOISearch in Google Scholar