1-Determine the % elongation, yield stress and ultimate tensile strength of the material tested above
2-Calculate the elastic modulus of the material tested above
3-If a 200mm cylindrical rod of the material tested above, with radius 20mm, was subjected to a tensile load of 200kN, what would the length be?
4-An underground wastewater steel pipe with 2mm walls carries an ammonia solution of 40 g/m3. The pipe is in contact with groundwater (assume 0 g/m3 ammonia). Determine the diffusion rate of ammonia through the pipe at 270C. D0 = 8 x 10-6 m2/s, Qd = 0.7eV Assume the system is at steady state.
5-An aluminium alloy is to be used as a structural member and the Architect has specified a maximum applied stress of 200 MPa. The fracture toughness of the alloy is 47 MPa m1/2. Determine the maximum external crack length which can be permitted during the manufacturing process. Assume Y = 1
6-For an applied stress of 200MPa, calculate the stress at the tip of a surface crack of length 0.7mm with tip radius 1.9 x 10-2 mm.
1-Determine the % elongation, yield stress and ultimate tensile strength of the material tested above 2-Calculate...
Question 2. (Total 18 marks) 350 350 300 300 Same plot, but with expanded x axis 250 250 200 Stress (MPa) Stress (MPa) 150 $150 100 100 0 0 0 0.02 0.04 0.06 0.12 0.14 0.16 0.18 0 0.08 0.1 Strain 0.001 0.002 0.003 0.004 0.005 0.006 0.007 0.008 0.009 0.01 Strain (a) Determine the % elongation, yield stress and ultimate tensile strength of the material tested above (3 marks) (b) Calculate the elastic modulus of the material tested above...
(e) An aluminium alloy is to be used as a structural member and the Architect has specified a maximum applied stress of 200 MPa. The fracture toughness of the alloy is 47 MPa m1'2. Determine the maximum external crack length which can be permitted during the manufacturing process. Assume Y = 1 (3 marks) (1) For an applied stress of 200MPa, calculate the stress at the tip of a surface crack of length 0.7mm with tip radius 1.9 x 10-2...
Chapter 9 1. What is the magnitude of the maximum stress that exists at the tip of an internal crack having a radius of curvature of 2.5 x 10-4 mm (10-5 in.) and a crack length of 2.5 x 10-2 mm (10-3 in.) when a tensile stress of 170 MPa (25,000 psi) is applied? 2. A large plate is fabricated from a steel alloy that has a plane strain fracture toughness of 55 MPa m (50 ksi in.). If the plate is...
References Tensile strength 450 MPa (65,000 psi) Strain = 0 Stress = 0 MPA Stress = 0 psi 500 1 Strain = 0 Stress = 0 MPA Stress = 0 psi 103 psi 40 MPa 300 Yield strength 250 MPa (36,000 psi) 200 - 30 Stress (MPa) 2001 Stress (10 psi) 100% okuloobs 0.10 0.20 0.30 Strain References Brinell hardness number = 0 BHN Rockwell hardness = ... Rockwell hardness Tensile strength = 0 MPA Tensile strength = 0 ksi...
1. A large plate is fabricated from a steel alloy that has a plane strain fracture toughness of 82.4 MPavm. If the plate is exposed to a tensile stress of 345 MPa during service use, determine the minimum length of a surface crack that will lead to fracture. Assume a value of 1.0 for Y. Maximum stress at tip of elliptically shaped crack Pt 2Ery, 1/2 critical stress required for crack propagation in a brittle material πα KIe YoeVra Fracture...
3. A square rod of 500 mm long with a width of 10 mm is subjected to a load of 40000 N., The stress-strain behavior is shown in the Figure below. Based on the information, please answer the following questions: (Note: Pa = N/㎡, J = Nm) (a) Compute the applied stress (5 points). 70 Tensile strength 450 MPa (65.000 ps) -60 400 103 ps MPa 40厂 50 300 40 Yield strength30 250 MPa (36.000 ps) 200 100 20 10...
Calculate the modulus of resilience for the material having the stress-strain behavior shown in the Animated Figure 6.12. Tensile strength 450 MPa (65,000 psi) Strain 0 Stress 0 MPA Stress 0 psi 500 70 Strain0 Stress 0 MPA Stress 0 psi 60 400 103 ps 50 MPa 40 Yield strength 250 MPa (36,000 psi) 300 40 0 200 30 200 30 20 100 20 10 100 10 0.10 0.20 0.30 0.40 Strain
ive already gotten 2 wrong answers this is my last attempt please be correct!!!!!!!!!!!!!! Incorrect Consider the brass alloy the stress-strain behavior of which is shown in the Animated Fioure 2.12. A cylindrical specimen of this alloy 15 mm in diameter and 214 mm long is to be pulled in tension Calculate the force necessary to cause 0.00788 mm reduction in diameter. Assume a value of 0.35 for Poisson's ratio. 26507.1 the tolerance is +/-2% Click if you would like...
Please give a full, detailed, worded explanation. Thank you :))) S. Draw a possible stress strain graph for a material with a yield stress of 300 MPa, an elastic modulus of 200 GPa, a UTS of 450 MPa and a ductility of 20%. Calculate the elastic strain at the point where the material starts to plastically deform. 6. A nylon rope with an elastic modulus of 3 GPa is placed under a force of 17.5 kN. The cross-sectional area of...
Refer to the following figure, stress-strain diagram, for samples of three different materials: A, B, and C. The end of each curve indicates the fracture point. e) After the conclusion of the tests, if the broken halves of each sample were fitted back together, which sample would be the shortest? Assume that all three samples had the same initial length. f) A circular rod is to be produced, 15 cm long with a diameter of 5.0 mm. This rod must...