Issue 47

K. Hachellaf et alii, Frattura ed Integrità Strutturale, 47 (2019) 459-467; DOI: 10.3221/IGF-ESIS.47.36 467 [8] Hamilton, C., Dymek, S., Bucharski, M., (2008). Friction stir welding of Aluminum 7136-T 76s11 Extrusions. J. Sci. And Technology of Welding And Joining, 13(8), pp. 714-720. [9] Mishra, R.S., Ma, Z.Y. (2005). Friction stir welding and processing, J. Mat. Sci. and Engineering , 50, pp. 1-78. [10] Catalogue technique pour tubes en polyéthylènePE, Groupe CHIALI de Sidi Bel-Abbes- Algeria, Available at (2017): http: /www.groupe-chiali.com. [11] Catalogue société CONCEPTCUVE société de chaudronnerie plastique de france ; contact@conceptcuve.com ; France, Available at (2017): https://www.conceptcuve.com/polyethylene-pehd.htm. [12] ASTM D 638 Standard Test Method for Tensile Properties of Plastics. (2017). [13] Thomas, W.M., (1991). Friction stir welding, J. Inter. Patent Appl. no.PCT/GB92/02203 and GB Patent Application no. 9125978.8, US. Patent no. 5,460, 317. [14] Shigeki, H., Harsha, B., Kazutaka, O., Toshio, T., Tsuyoshi, K., (2010). Analysis of effect of tool geometry on plastic flow during friction stir spot welding using particle method, J.of Mat. Proc. Tech., 210, pp. 1455–1463. [15] Hardness Tester Fully-Automatic Micro/Vickers Hardness. Fv-Ars 9000, Avaible at (2017): www.ft-hardness.com [16] Chen, Z., Shengxi, Li. Lloyd, H. (2015). Microstructure, mechanical properties and corrosion of friction stir welded 6061 Aluminum Alloy, Hawaii Corrosion Laboratory, Department of Mechanical Engineering, University of Hawaii at Manoa, Honolulu, HI 96822, USA, pp.1-25. [17] Jeong, D. H., Erb, U., Aust, K. T., Palumbo G., (2003). The relationship between hardness and abrasive wear resistance of electrodeposited nanocrystalline Ni–P coatings, J. Scripta Materialia, 48 (2003), pp. 1067-1072 [18] Xu, W., Liu, J., Luan, G., Dong, C. (2009). Microstructure and mechanical properties of friction stir welded joints in 2219-T6 aluminum alloy, J. Materials & Design, 30, pp. 3460-3467.