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4. (a) What is cold work and its significance in material properties. (b) Briefly explain why...
A cylindrical rod of 1040 steel having originally 11.4 mm in diameter is cold-worked by drawing...
A cylindrical rod of 1040 steel having originally 11.4 mm in diameter is cold-worked by drawing (i.e. pulling through a die with a hole smaller than the original rod cross section). The circular cross section will be maintained during deformation. The deformed steel is desired to have tensile strength in excess of 825 MPa and ductility of at least 12% EL. The final diameter must be 8.9 mm. Explain how this may be accomplished.
this all of it !!! 4. Two previously undeformed specimens of the same metal are to...
this all of it !!!
4. Two previously undeformed specimens of the same metal are to be plastically deformed by reducing their cross-sectional areas. One has a circular cross section, and the other is rectangular during deformation the circular cross section is to remain circular, and the rectangular is to remain as such. Their original and deformed dimensions are as follows: Rectangular (mm) Circular (diameter, mm) 125x 175 15.2 Original dimensions 7.5x 200 Deformed dimensions 11.4 Which of these specimens...
Dura Total: 75 points initial diameter of 25.1 mm is to be cold worked by drawing...
Dura Total: 75 points initial diameter of 25.1 mm is to be cold worked by drawing in order to reduce the (Crigh cctional area such that the final diameter is 22.5mm. Figures 7.19a left) and 7.1e In. Deformation -cold working: A non-cold-worked 1040 steel cylindrical bu 7.19c (right) from the text are provided. 040 60 10 1040 ste Coopar Percent cold work a. Determine the ductility (%EL) and yield strength of the steel rodaner a single drawing process reducing the...
A cylindrical rod of copper having an initial diameter of 16 mm is to be cold worked by drawing such that the cross-sectional area is reduced. It is required to have a cold-worked yield stress of at...
A cylindrical rod of copper having an initial diameter of 16 mm is to be cold worked by drawing such that the cross-sectional area is reduced. It is required to have a cold-worked yield stress of at least 200 MPa and a ductility in excess of 12%; in addition, the final diameter of 11.3 mm is required. Describe the manner in which this procedure may carried out by answering: (10p) Write the yield strength and ductility before cold work. (15p)...
I would appreciate if you can solve both questions, please. For question one, please show analysis...
I would appreciate if you can solve both questions, please. For
question one, please show analysis of the work for the three metals
and which once are candidates?
1) It is necessary to select a metal alloy for an applicationthat requires a yield strength of at least34 5 MPa while maintaining a minimumductility (%EL) of2000. If the metal maybe cold worked, decide whi arecandidates: copper, brass, or a 1040 steel. Why? ch of the following 2) A cylindrical specimen of...
Question 4: A cylindrical specimen of cold-worked copper has a ductility (%EL) of 25% What is its tensile strength? (a...
Question 4: A cylindrical specimen of cold-worked copper has a ductility (%EL) of 25% What is its tensile strength? (a) (b) If its cold-worked radius is 10 mm, what was its radius before deformation? 70 140 120 900 800 1040 Steel 60 120 1040 Stee 800 700 100 50 700 600 100 80 40 600 500 Brass Brass 80 30 60 400 500 Brass 20 Copper 40 300 60 400 Copper 10 1040 Stee 200 300 40 20 Copper 100...
A cylindrical car component with 7 mm diameter is to be manufactured. The component is required...
A cylindrical car component with 7 mm diameter is to be manufactured. The component is required to possess a yield strength of at least 700 MPa and an elongation to fracture of at least 11%. For this purpose, you use a cylindrical steel 1040 rod with an initial diameter of 9 mm. The percent cold work cannot exceed 40% during any single cold deformation step in order to avoid cracking. Using the diagram below, describe your manufacturing procedure for this...
Problem 1 (10 pts) It is required to manufacture a 2.5 mm diameter copper rod from...
Problem 1 (10 pts) It is required to manufacture a 2.5 mm diameter copper rod from larger diameter stock by drawing. The rod should have a tensile strength of 300 MPa or more, a yield strength of 200 MPa or more, and ductility of 10% or more. Determine (a) the range of%CW which will allow achieving those properties, and (b) within this range clearly pick a certain%CW and determine the corresponding diameter of the starting stock. yield strength (MPa) tensile...
040 Stee 0 0 400 600 0 0 200 400 600 Percent cold Percent cold 4....
040 Stee 0 0 400 600 0 0 200 400 600 Percent cold Percent cold 4. (20 points) Suppose that you work for a company that manufactures 1040 steel wire. A customer asks for 1 mm diameter 1040 steel wire with a yield strength of at least 700 MPa and a ductility of at least 12% elongation. Your warehouse is out of this material, but has a large amount of 1.5 mm diameter fully annealed 1040 steel wire, and you...
Ection A uestion 1 Hook's Law, state which variables are involtved it its calculation and explain...
ection A uestion 1 Hook's Law, state which variables are involtved it its calculation and explain, equations or text, how to determine it (2 marks) A1. The with a square cross-section 1 cm. Determine the direct stress test specimen is being subjected to a tensile load of 3.0 kN, as shown in figure specimen is composed of Titanium, the cylinder is being subjected to. Show your resulit in MNIm s cm Figure A1 Tensile test specimen (3 marks) c) How...
this all of it !!!
4. Two previously undeformed specimens of the same metal are to be plastically deformed by reducing their cross-sectional areas. One has a circular cross section, and the other is rectangular during deformation the circular cross section is to remain circular, and the rectangular is to remain as such. Their original and deformed dimensions are as follows: Rectangular (mm) Circular (diameter, mm) 125x 175 15.2 Original dimensions 7.5x 200 Deformed dimensions 11.4 Which of these specimens...
Dura Total: 75 points initial diameter of 25.1 mm is to be cold worked by drawing in order to reduce the (Crigh cctional area such that the final diameter is 22.5mm. Figures 7.19a left) and 7.1e In. Deformation -cold working: A non-cold-worked 1040 steel cylindrical bu 7.19c (right) from the text are provided. 040 60 10 1040 ste Coopar Percent cold work a. Determine the ductility (%EL) and yield strength of the steel rodaner a single drawing process reducing the...
I would appreciate if you can solve both questions, please. For
question one, please show analysis of the work for the three metals
and which once are candidates?
1) It is necessary to select a metal alloy for an applicationthat requires a yield strength of at least34 5 MPa while maintaining a minimumductility (%EL) of2000. If the metal maybe cold worked, decide whi arecandidates: copper, brass, or a 1040 steel. Why? ch of the following 2) A cylindrical specimen of...
Question 4: A cylindrical specimen of cold-worked copper has a ductility (%EL) of 25% What is its tensile strength? (a) (b) If its cold-worked radius is 10 mm, what was its radius before deformation? 70 140 120 900 800 1040 Steel 60 120 1040 Stee 800 700 100 50 700 600 100 80 40 600 500 Brass Brass 80 30 60 400 500 Brass 20 Copper 40 300 60 400 Copper 10 1040 Stee 200 300 40 20 Copper 100...
A cylindrical car component with 7 mm diameter is to be manufactured. The component is required to possess a yield strength of at least 700 MPa and an elongation to fracture of at least 11%. For this purpose, you use a cylindrical steel 1040 rod with an initial diameter of 9 mm. The percent cold work cannot exceed 40% during any single cold deformation step in order to avoid cracking. Using the diagram below, describe your manufacturing procedure for this...
Problem 1 (10 pts) It is required to manufacture a 2.5 mm diameter copper rod from larger diameter stock by drawing. The rod should have a tensile strength of 300 MPa or more, a yield strength of 200 MPa or more, and ductility of 10% or more. Determine (a) the range of%CW which will allow achieving those properties, and (b) within this range clearly pick a certain%CW and determine the corresponding diameter of the starting stock. yield strength (MPa) tensile...
040 Stee 0 0 400 600 0 0 200 400 600 Percent cold Percent cold 4. (20 points) Suppose that you work for a company that manufactures 1040 steel wire. A customer asks for 1 mm diameter 1040 steel wire with a yield strength of at least 700 MPa and a ductility of at least 12% elongation. Your warehouse is out of this material, but has a large amount of 1.5 mm diameter fully annealed 1040 steel wire, and you...
ection A uestion 1 Hook's Law, state which variables are involtved it its calculation and explain, equations or text, how to determine it (2 marks) A1. The with a square cross-section 1 cm. Determine the direct stress test specimen is being subjected to a tensile load of 3.0 kN, as shown in figure specimen is composed of Titanium, the cylinder is being subjected to. Show your resulit in MNIm s cm Figure A1 Tensile test specimen (3 marks) c) How...
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