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http://yadda.icm.edu.pl:80/baztech/element/bwmeta1.element.baztech-0c260b9e-141e-492c-a60d-580ed59a90ac

Czasopismo

Journal of Achievements in Materials and Manufacturing Engineering

Tytuł artykułu

The influence of friction stir welding process on structure and mechanical properties of the AlSiCu/SiC composites

Autorzy Kurtyka, P.  Sulima, I.  Wójcicka, A.  Ryłko, N.  Pietras, A. 
Treść / Zawartość http://www.journalamme.org
Warianty tytułu
Języki publikacji EN
Abstrakty
EN Purpose: The aim of this study was to explain the influence of the friction stir welding on the size and distribution of reinforcement particles in the composite AlSiCu/SiCp, as well as determine its mechanical properties. Design/methodology/approach: Aluminium alloy reinforced with 10% vol. SiC particles with an average size of 15 microns has been joined using friction stir welding method. The joining process were carried out at rotation speed 560 rpm and linear velocity of 355 mm/min and the temperature was lower than 793 K. Microstructures of joined materials were observed according to the light and scanning electron microscopy. Changing of distribution of reinforcement particles were analysed by new RVE theory. The mechanical properties determined on the basis of compression tests. Tests were performed at room temperature at a strain rate 10-4s-1. Findings: In the resulting joints (welds) observed significant changes in the distribution of SiC particles, precipitation which was characterized by macro-heterogeneity. However, in micro scale, a few typical distributions and areas of fragmentation of the reinforcing particles were identified. Differences in the sizes of the ceramic particles were 15 microns in the initial material and 2-3 micron in the welded material, respectively. The analysis of these regions using the new RVE theory shows that the coefficient of mechanical properties anisotropy was varied from 0.500328 to 0.016961. Mechanical testing of selected parts of joints showed significant differences in the values of the plastic flow stress in advancing and retreating sides, approximately from 400 to 450 MPa. Practical implications: The obtained results can be used to optimize the welding process composites by friction stir welding. In addition, the analysis results may be used to design new methods to modify aluminium matrix composites reinforced with ceramic particles. Originality/value: The work provides information on the influence of the FSW process on the change distribution and fragmentation of reinforcing particles and mechanical properties of composites joints.
Słowa kluczowe
EN aluminium matrix composites   friction stir welding   mechanical properties  
Wydawca International OCSCO World Press
Czasopismo Journal of Achievements in Materials and Manufacturing Engineering
Rocznik 2012
Tom Vol. 55, nr 2
Strony 339--344
Opis fizyczny Bibliogr. 23 poz., rys., tab.
Twórcy
autor Kurtyka, P.
  • Institute of Technology, Pedagogical University, ul. Podchorążych 2, 30-084 Kraków, Poland, pkurtyka@up.krakow.pl
autor Sulima, I.
  • Institute of Technology, Pedagogical University, ul. Podchorążych 2, 30-084 Kraków, Poland
autor Wójcicka, A.
  • Institute of Technology, Pedagogical University, ul. Podchorążych 2, 30-084 Kraków, Poland
  • X-ray microtomography Lab, Institute of Computer Science, University of Silesia, ul. 1. Pułku Piechoty 75, 41-500, Chorzów, Poland
autor Ryłko, N.
  • Institute of Technology, Pedagogical University, ul. Podchorążych 2, 30-084 Kraków, Poland
autor Pietras, A.
  • Institute of Welding, ul. Bł. Czesława 16/18, 44-100 Gliwice, Poland
Bibliografia
[1] D. Storjohann, S.S. Babu, S.A. David, P. Sklad, Friction stir welding of aluminum metal matrix composites, Proceeding of the 4th International Symposium On Friction Stir Welding, Utah, 2003.
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[3] M. Vural, A. Ogur, G. Cam., C. Ozarpa, On the friction stir welding of aluminium alloys EN AW2024-0 and EN AW5754-H22, Archives of Materials Science and Engineering 28/1 (2007) 49-54.
[4] K. Mroczka, J. Dutkiewicz, L. Lityńska-Dobrzyńska, A. Pietras, Microstructure and properties of FSW joints of 2017A/6013 aluminium alloys sheets, Archives of Material Science and Engineering 33 (2008) 93-96.
[5] R. Nandan, T. Debroy, H. Bhadeshia, Recent advances in friction-stir welding - Process, weldment structure and properties, Progress in Materials Science 53 (2008) 980-1023.
[6] H. Uzun, Friction stir welding of SiC particulate reinforced AA2124 aluminium alloy matrix composite, Materials and Design 28 (2007) 1440-1446.
[7] M. Amirizad, A.H. Kokabi, M.A. Gharacheh, R. Sarrafi, B. Shalchi, M. Azizieh, Evaluation of microstructure and mechanical properties in friction stir welded A356+15% SiCp cast composite, Materials Letters 60 (2006) 565-568.
[8] O.V. Flores, C. Kennedy, L.E. Murr, Microstructural issue sina friction stir welded aluminum alloy, Scripta Materialia 38 (1998) 703-708.
[9] G.J. Fernandez, L.E. Murr, Characterization of tool wear and weld optimization in the friction stir welding of cast aluminum A359 + 20% SiC metal matrix composite, Journal of Materials Chemistry 52 (2004) 65-75.
[10] T. Shinoda, M. Kawai, H. Takegami, Novel process of surface modification of aluminum casts and applied friction stir phenomenon, IIW Per-assembly Meeting on FSW, Nagoya, 2004.
[11] M. Amirizad, Friction stir welding of aluminum metal matrix composites, MSc's Thesis, Department of Materials Science and Engineering - Sharif University of Technology, Tehran, 2004 (in Persian).
[12] D. Storjohann, O.M. Barabash, S.A. David, P.S. Sklad, E.E. Bloom, S.S. Babu, Fusion and friction stir welding of aluminum-metal-matrix composites, Metallurgical and Materials Transactions A 36 (2005) 3237-3247.
[13] K. Mroczka, J. Dutkiewicz, A. Pietras, Microstructure of friction stir welded joints of 2017a aluminum alloy sheets, Journal of Microscopy 237/3 (2010) 521-525.
[14] K. Mroczka, A. Pietras, FSW characterization of 6082 aluminium alloys sheets, Archives of Material Science and Engineering 40/2 (2009) 104-109.
[15] J. Adamowski, M. Szkodo, Friction Stir Welds (FSW) of aluminium alloy AW6082-T6, Journal of Achievements in Materials and Manufacturing Engineering 20 (2007) 403-406.
[16] J. Kansy, K. Mroczka, J. Dutkiewicz, PALS determination of defect density within friction stir welded joints of aluminium alloys, Journal of Physics Conference Series 265/1 (2011) 1-5.
[17] R. Czapla, W. Nawalaniec, V. Mityushev, Effective conductivity of random two-dimensional composites with circular non-overlapping inclusions, Computational Materials Science 63 (2012) 118-126.
[18] V. Mityushev, Representative cell in mechanics of composites and generalized eisenstein-rayleigh sums, Complex Variables and Elliptic Equations 51/8-11 (2006) 1033-1045.
[19] V. Mityushev, P.M. Adler, Longitudial permeability of a doubly periodic rectangular array of circular cylinders, Journal of Applied Mathematics and Mechanics 82/5 (2002) 335-345.
[20] I.V. Andrianov, V.V. Danishevs’kyy, A.L. Kalamkarov, Analysis of the effective conductivity of composite materials in the entire range of volume fractions of inclusions up to the percolation threshold, Composites B, Engineering 41/6 (2010) 503-507.
[21] I.V. Andrianov, V.V. Danishevskyy, D. Weichert, Simple estimation on effective transport properties of a random composite material with cylindrical fibres, Journal of Applied Mathematics and Physics 59 (2008) 889-903.
[22] L. Berlyand, V. Mityushev, Generalized Clausius-Mossotti formula for random composite with circular fibers, Journal of Statistical Physics 102/1-2 (2001) 115-145.
[23] P. Kurtyka, N. Ryłko, Structure analysis of the modified cast metal matrix composites by use of the RVE theory, Proceedings of 9th Polish-Japanese-Joint Seminar on Micro and Nano Analysis, Sieniawa, 2012.
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