[1] Jalali  Aghchai  A,  Shakeri  M,  Mollaei-Dariani  B (2008) Theoretical  and  experimental  formabilitystudy  of  two-layer  metallic  sheet  (Al1100/St12). Proc  IMechE  Part  B:  J Engineering  Manufacture 222(9): 1131-1138.

[2] جلالی ع، شاکری م، ملایی داریانی ب (1378) بررسی و تحلیل تئوری و تجربی شکل پذیری ورق دولایه فلزی Al1100-St12 با استفاده از تئوری لایه معادل. نهمین کنفرانس مهندسی ساخت و تولید ایران. بیرجند.

[3] Stoughton TB (2000) A general forming limit criterion for sheet metal forming. Int J Mech Sci 42: 1-27.

[4] Karajibani E, Hashemi R, Sedighi M (2016) Determination of forming limit curve in two-layer metallic sheets using the finite element simulation.    P I Mech Eng L-J Mat 230(6): 1018-1029.

[5] Keeler SP, Backofen  WA (1963) Plastic  instability and fracture in sheets stretched over rigid punches. Trans ASM 56: 25-48.

[6] Marciniak, Z.  and  Kuczynski, K.,  “Limit  Strains in the Processes of Steched-Forming Sheet Metal” , Int. J.Mech. Sci., VOI. 9, pp. 609-620, 1967.

[7] Goodwin, G.m.,  “Application of strain analysis to sheet metal forming problem in press shop”, SAE Paper No.680093, 1968.

[8] Kalpakjian S, Schmid SR (2000) Sheet metal forming process. 4th edn. Prentice-Hall.

[9] Naka T,  Torikai G (2001) The effects of temperature and forming speed on the forming limit diagram for type 5083 aluminum–magnesium alloy sheet. J Mater Process Technol 113(1-3): 648-653.

[10] Tseng G, Hung C (2010) An analysis of the formability of aluminum/copper cladmetals with different thicknesses by the finiteelement method and experiment. Int J Adv Manuf Technol 49(9-12): 1029-1036.

[11]  Wang L, Luo Y, Friedman P, Chen M (2012) Warm forming behavior of high strength aluminum alloy AA7075. T Nonferr Metal Soc 22(1): 1-7.

[12] Raja Satish D, Ravi Kumar D (2019) Formability of AA6061 alloy sheets in warm forming temperature range. P I Mech Eng L-J Mat 233(3): 146442071982950.

[13] Gulenc B (2008) Investigation of interface properties and weldability of aluminum and copper plates by explosive welding method. Mater Des 29: 275-278.

[14] ASTM E8 M-04. (2006) Standard test method for tension testing of metallic materials. ASTM International.

[15] ISO 12004: Metallic Materials-Guidelinesfor the Determination of Forming Limit Diagrams, ISO, 1997.