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the value of a parameter is not given, USE A SYMBOL in its place alues in...
Problem 3: Consider a metal single crystal oriented such that the normal to the slip plane...
Problem 3: Consider a metal single crystal oriented such that the normal to the slip plane and the slip direction are at angles of 43.1° and 47.9°, respectively, with the tensile axis. If the critical resolved shear stress is 20.7 MPa (3000 psi), will an applied stress of 45 MPa (6500 psi) cause the single crystal to yield? If not, what stress will be necessary?
Question 7 10 pts Which of the following will reverse the effects of cold working? O...
Question 7 10 pts Which of the following will reverse the effects of cold working? O reducing the grain size adding impurities through solid state diffusion annealing the material at an elevated temperature rolling to induce anisotropy Question 8 10 pts Consider a metal single crystal oriented such that the normal to the slip plane and the slip direction are at angles of 43.1° and 47.9°, respectively, with the tensile axis. If the critical resolved shear stress is 20.7 MPa,...
Canvas P O words </> Question 2 10 pts 2. An aircraft component is fabricated from...
Canvas P O words </> Question 2 10 pts 2. An aircraft component is fabricated from an aluminum alloy that has a plane strain fracture toughness of 35 MPaT. It has been determined that fracture results at a stress of 250 MPa when the maximum (or critical) internal crack length is 2.0 mm. For this same component and alloy, will fracture occur at a stress level of 325 MPa when the maximum internal crack length is 1.0 mm? (10 points)...
1. Consider a metal single crystal oriented such that the normal to the slip plane and...
1. Consider a metal single crystal oriented such that the normal to the slip plane and the slip direction are at angles of 43.10 and 47.9° respectively, with the tensile axis. If the critical resolved shear stress is 20.7 MPa will an applied stress of 45 MPa cause the single crystal to yield? If not, what stress will be necessary? (10 points)
2. An aircraft component is fabricated from an aluminum alloy that has a plane strain fracture...
2. An aircraft component is fabricated from an aluminum alloy that has a plane strain fracture toughness of 35 MPa m. It has been determined that fracture results at a stress of 250 MPa when the maximum (or critical) internal crack length is 2.0 mm. For this same component and alloy, will fracture occur at a stress level of 325 MPa when the maximum internal crack length is 1.0 mm? (10 points)
4. For a steel alloy it has been determined that a carburizing hea t treatment of...
4. For a steel alloy it has been determined that a carburizing hea t treatment of 10-h duration Wll concentration to 0.45 wt% at a point 5.5-mm from the surface. Estimate the po concentration in 6 hours (identical steel and at the Tip: The short erf(Z) table found on last page sition that will achieve the same same carburizing temperature). 5. Consider a single crystal of silver oriented such that a tensile (15) stress is applied along a [001] direction....
H based carbon fiber containing a known amount of single walled 5. Consider a pitc Sartbon nanotu...
h based carbon fiber containing a known amount of single walled 5. Consider a pitc Sartbon nanotubes (SWNT), By adding small amounts of single walled carbon nanotubes SWNT) to the pitch prior to fiber pulling, the elastic fibers can be i the following questions a. (10 points) Estimate the elastic modulus for both the 1% and 5% SWNT loaded carbon fibers. modulus of the pitch based carbon ncreased. Use the figure below and the other information (given) to answer 700...
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...
Problem 3: Consider a metal single crystal oriented such that the normal to the slip plane and the slip direction are at angles of 43.1° and 47.9°, respectively, with the tensile axis. If the critical resolved shear stress is 20.7 MPa (3000 psi), will an applied stress of 45 MPa (6500 psi) cause the single crystal to yield? If not, what stress will be necessary?
Question 7 10 pts Which of the following will reverse the effects of cold working? O reducing the grain size adding impurities through solid state diffusion annealing the material at an elevated temperature rolling to induce anisotropy Question 8 10 pts Consider a metal single crystal oriented such that the normal to the slip plane and the slip direction are at angles of 43.1° and 47.9°, respectively, with the tensile axis. If the critical resolved shear stress is 20.7 MPa,...
Canvas P O words </> Question 2 10 pts 2. An aircraft component is fabricated from an aluminum alloy that has a plane strain fracture toughness of 35 MPaT. It has been determined that fracture results at a stress of 250 MPa when the maximum (or critical) internal crack length is 2.0 mm. For this same component and alloy, will fracture occur at a stress level of 325 MPa when the maximum internal crack length is 1.0 mm? (10 points)...
1. Consider a metal single crystal oriented such that the normal to the slip plane and the slip direction are at angles of 43.10 and 47.9° respectively, with the tensile axis. If the critical resolved shear stress is 20.7 MPa will an applied stress of 45 MPa cause the single crystal to yield? If not, what stress will be necessary? (10 points)
2. An aircraft component is fabricated from an aluminum alloy that has a plane strain fracture toughness of 35 MPa m. It has been determined that fracture results at a stress of 250 MPa when the maximum (or critical) internal crack length is 2.0 mm. For this same component and alloy, will fracture occur at a stress level of 325 MPa when the maximum internal crack length is 1.0 mm? (10 points)
4. For a steel alloy it has been determined that a carburizing hea t treatment of 10-h duration Wll concentration to 0.45 wt% at a point 5.5-mm from the surface. Estimate the po concentration in 6 hours (identical steel and at the Tip: The short erf(Z) table found on last page sition that will achieve the same same carburizing temperature). 5. Consider a single crystal of silver oriented such that a tensile (15) stress is applied along a [001] direction....
h based carbon fiber containing a known amount of single walled 5. Consider a pitc Sartbon nanotubes (SWNT), By adding small amounts of single walled carbon nanotubes SWNT) to the pitch prior to fiber pulling, the elastic fibers can be i the following questions a. (10 points) Estimate the elastic modulus for both the 1% and 5% SWNT loaded carbon fibers. modulus of the pitch based carbon ncreased. Use the figure below and the other information (given) to answer 700...
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...
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