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MTM0070 Materials engineering
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Which sheet forming operations were used in the manufacturing process of the product shown in the figure?
Calculate clearance between the steel punch and the die z (mm). The material thickness is 1.3 mm, tensile strength 490 MPa, and the type of punch-dependent factor k is 0.01.
where k – punch material-dependent factor s – material thickness, mm; Rm - tensile strength, MPa; tau 1 (τ1) – material shear strength (τ1= Rm x 0.8), MPa.Provide the answer in millimeters with accuracy of three decimal places. Use "." as decimal separator.
Which sheet forming operations were used in the manufacturing process of the product shown in the figure?
Which sheet forming operations were used in the manufacturing process of the product shown in the figure?
Which sheet forming operations were used in the manufacturing process of the product shown in the figure?
Calculate the punch force F (N) required to complete blanking. Circle with diameter of 20.9 mm must be cut out of the material with 7.9 mm in thickness and 322 MPa tensile strenght.
where L - the total length sheared, mm; s - thickness of material, mm; τ1 (tau1) - shear strength of material, MPa; Rm - tensile strength of material, MPa.
Relative error +/- 1% allowed. Circle circumference is L=pi()*d.
Find the force (F) needed for guillotine cutter to chop metal sheet. The thickness of material is 5 mm and tensile strength is 223 MPa. The angle between the blades of the cutter φ is 7 degrees.
where s - thickness of material, mm; Rm - tensile strength, MPa; τ1 (tau) - material's shear strength, MPa; φ (fi) - the angle between the blades of the cutter (usually 6-8 degrees).
Provide answer in Newtons.
Knowing that the Al-alloy used is AlCu4Mg1 choose the solution treatment temperature using the Al-Cu phase diagram. The goal is to achieve α phase solid solution.
In this practicum we are using an Aluminium alloy AlCu4Mg1. What is the approximate chemical composition of this alloy?
What is SiAlON?