Process parameter effects on microstructure and mechanical properties of tubes processed via friction assisted tube straining method

Abstract

This paper investigates process parameter effects on microstructure and mechanical properties of the tubes processed via recently developed friction assisted tube straining (FATS) method. For this purpose, design of experiment was used to arrange finite element analyses and experimental tests. Numerical and experimental tests were executed by changing rotary speed, feed rate and die angle. Taguchi design results show that increasing feed rate and decreasing rotary speed enhance Zener-Hollomon (Z) parameter and decrease average grain size, while die angle has no considerable effect. Increasing Z value reduces grain size and enhances flow stress of the processed samples, while the experiment with the highest Z value refines initial microstructure from 40 to 8 μm and increases flow stress by 5 times.

Keywords

friction assisted tube straining / process parameter / microstructure / Taguchi method / finite element simulation

References

[1] BagherpourE, PardisN, ReihanianM, EbrahimiR. An overview on severe plastic deformation: Research status, techniques classification, microstructure evolution, and applications [J]. The International Journal of Advanced Manufacturing Technology, 2019, 100(5–8): 1647-1694

[2] WangB-F, SunJ-Y, ZouJ-D, VincentS, LiJ. Mechanical responses, texture and microstructural evolution of high purity aluminum deformed by equal channel angular pressing [J]. Journal of Central South University, 2015, 22(10): 3698-3704

[3] HosseiniS H, AbriniaK. Determination of processing power and optimum billet radius of modified backward extrusion by upper bound approach [J]. Transactions of Nonferrous Metals Society of China, 2016, 26(8): 2170-2178

[4] KhatamiR, Fattah-AlhosseiniA, MazaheriY, KeshavarzM K, HaghshenasM. Microstructural evolution and mechanical properties of ultrafine grained AA2024 processed by accumulative roll bonding [J]. The International Journal of Advanced Manufacturing Technology, 2017, 93(1–4): 681-689

[5] HosseiniS H, AbriniaK, FarajiG H. Upper bound analyses of novel backward extrusion[J]. Modares Mechanical Engineering, 2015, 14(15): 369-376

[6] WangK-S, WuJ-L, WangW, ZhouL, LinZ-X, KongL. Underwater friction stir welding of ultrafine grained 2017 aluminum alloy [J]. Journal of Central South University, 2012, 19(8): 2081-2085

[7] FarajiG, KimH S. Review of principles and methods of severe plastic deformation for producing ultrafine-grained tubes [J]. Materials Science and Technology, 2017, 33(8): 905-923

[8] MohebbiM S, AkbarzadehA. Accumulative spinbonding (ASB) as a novel SPD process for fabrication of nanostructured tubes [J]. Materials Science and Engineering A, 2010, 528(1): 180-188

[9] ZangiabadiA, KazeminezhadM. Development of a novel severe plastic deformation method for tubular materials: Tube channel pressing (TCP) [J]. Materials Science and Engineering A, 2011, 528(15): 5066-5072

[10] Kasaeian-NaeiniM, HashemiR, HosseiniA. Lubrication performance of rapeseed oil-based nano-lubricants in parallel tubular channel angular pressing process [J]. Journal of Central South University, 2019, 26(5): 1042-1049

[11] HosseiniS H, SedighiM. On the feasibility of a novel severe plastic deformation method for cylindrical tubes: Friction assisted tubular channel pressing (FATCP) [J]. Journal of Mechanical Science and Technology, 2016, 30(11): 5153-5157

[12] HosseiniS H, SedighiM. Thermo-mechanical modeling and microstructure evolution of friction-assisted tubestraining method [J]. The International Journal of Advanced Manufacturing Technology, 2019, 100(9–12): 2473-2483

[13] LeeH W, ImY T. Cellular automata modeling of grain coarsening and refinement during the dynamic recrystallization of pure copper [J]. Materials Transactions, 2010, 51(9): 1614-1620

[14] Minitab Inc. Minitab 17 (Help Document)[M]. 2013.

[15] POWELL R W, HO C Y, LILEY P E. Thermal conductivity of selected materials[R]. National Bureau of Standards, 1966. DOI: https://doi.org/10.6028/nbs.nsrds.8.

[16] CartigueyenS, SukeshO P, MahadevanK. Numerical and experimental investigations of heat generation during friction stir processing of copper [J]. Procedia Engineering, 2014, 97: 1069-1078

[17] ZHANG H. Numerical modeling of heat transfer and material flow during friction extrusion process [D]. University of South Carolina, 2016.

[18] HosseiniS H, SedighiM. Novel friction-assisted tube forming methods: A comparison of microstructure and mechanical properties [J]. Journal of Manufacturing Science and Engineering, 2018, 140(10): 101008

[19] HosseiniS H, SedighiM, MosayebnezhadJ. Numerical and experimental investigation of central cavity formation in aluminum during forward extrusion process [J]. Journal of Mechanical Science and Technology, 2016, 3051951-1956

[20] DingR, GuoZ X. Coupled quantitative simulation of microstructural evolution and plastic flow during dynamic recrystallization [J]. Acta Materialia, 2001, 49(16): 3163-3175