3. The bent-up profile of the sheet with a thickness of h - 3.00 mm is shown below. Calculate Ryand ay after springback at a - 90' bent-up location for: (a) Annealed leaded brass with E-130 GPa and Y- 165 MPa, and (b) 6061-T6 aluminium alloy with E-72 GPa and Y- 330 MPa. Assuming W - (the length of bend) + 40 mm, estimate the bending force required at a - 90 bent-up location for: (c) Annealed leaded brass with UTS-270 MPa, and (d) 6061-T6 aluminium alloy with UTS -390 MPa.

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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3. The bent-up profile of the sheet with a thickness of h - 3.00 mm is shown below.
Calculate Ryand ay after springback at a - 90' bent-up location for:
%3!
(a) Annealed leaded brass with E 130 GPa and Y = 165 MPa, and
(b) 6061-T6 aluminium alloy with E = 72 GPa and Y= 330 MPa.
%3D
Assuming Ws = (the length of bend) + 40 mm, estimate the bending force required at a =
90° bent-up location for:
(c) Annealed leaded brass with UTS - 270 MPa, and
(d) 6061-T6 aluminium alloy with UTS = 390 MPa.
%3D
RIO
45
R3
h- 50 mm
I- 20
Transcribed Image Text:3. The bent-up profile of the sheet with a thickness of h - 3.00 mm is shown below. Calculate Ryand ay after springback at a - 90' bent-up location for: %3! (a) Annealed leaded brass with E 130 GPa and Y = 165 MPa, and (b) 6061-T6 aluminium alloy with E = 72 GPa and Y= 330 MPa. %3D Assuming Ws = (the length of bend) + 40 mm, estimate the bending force required at a = 90° bent-up location for: (c) Annealed leaded brass with UTS - 270 MPa, and (d) 6061-T6 aluminium alloy with UTS = 390 MPa. %3D RIO 45 R3 h- 50 mm I- 20
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