If the required yield strength of a steel is 150 ksi, could SAE 1141 be used? Why?
Q: 2. Could the maximum shear stress theory and the Von Mises theory be used for copper and aluminum…
A: The maximum shear stress theory and the von mises theory are suitable for ductile material Since…
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A: Notch strengthing occurs in the case of ductile material .stress concentration increases by creating…
Q: 2. Which property of this steel is significant to the failure analysis? The steel can Options:…
A: Option c is correct.
Q: In general Poisson’s ratio of steel is ________ Select one: a. 0.5 b. 0.15 c. 0.3 d. 0.75
A: When a force is employed to a specimen along its longitudinal direction, the stain will be induced…
Q: How is Ductility specified?
A: Ductility is the property due to which an object is able to undergo large deformation before…
Q: Grade 1020 steel has a yield strength of 290 MPa and an elastic modulus of 207 GPa. Another grade of…
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Q: If we use a 4340; 4140; 8640; 5140; 1040 steel, what would be the hardness number at the center of…
A: First go to Figure below and draw a horizontal line from 1.5 in. diamater and intersect it with…
Q: Explain the difference between M-series and T-series high-speed steels.
A: Difference between the M-series high speed steels and T-Series high speed steels M-series- 1. The…
Q: The fatigue life of a certain steel was found to be 10* cycles at + 70 MPa and 10 cycles at + 50…
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Q: How does torsional stress and angle of twist impact engineering design?
A: Importance of torsional stress in Engineering Design:- Torsional stress is induced in an element due…
Q: 3. AISI 1040 steel: a) is an alloy steel b) is a carbon steel c) has 0.4% carbon d) is an ASM…
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Q: With respect to the S-N diagram shown below, answer the following questions: (a) for Gray cast iron,…
A: Part (a) Mark the value of 20,000 psi on the vertical axis. Move to the right and mark a point at…
Q: a. What is the Brinell hardness number (HB) for 1020 Steel that has been annealed at 785 "C? (Check…
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Q: Suppose that a ductile iron (100-70-03, air quenched) has a tensile strength of 800 MPa. What…
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Q: For another steel, the fatigue limits are 10,000 cycles at 100 ksi, 50,000 cycles at 75 ksi, and…
A: Given:- Material=Steel For 100 ksi=10000 cycles For 62 ksi= 200000 cycles For 75 ksi= 50000 cycles…
Q: Using various tables, determine the specific strength (yield strength-to-density ratio) in unit of…
A: From the tables, obtain the yield strength and density for each material. To find: Specific…
Q: A component is subjected to a maximum cyclic stress of 750 MPa and a minimum of 70 MPa. The steel…
A: INTRODUCTION : Fatigue failure occurs when a recurrent or cyclic load causes cracks to develop and…
Q: Question 1) For a 1095 HR steel, estimate (a) The rotating-beam endurance limit (in kpsi) at 10°…
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Q: 12. Select a steel from Appendix C-4a that has properties listed for as-rolled, normalized, and…
A: We must choose a steel from Appendix C-4a that has characteristics specified for rolled, normalized,…
Q: a.) what happens to the yield strength of 250 maraging steel as the temperature increases? b.)…
A: (a) as the temperature increases the value of yield strength decreases.
Q: points on the stress-strain curve for medium-carbon ste
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Q: A machine part is made of forged steel with Su MPa, S'e= 0.5 Su .Estimate the life cycles (L) for
A: Given Data⇒ Ultimate strength (Su)=630 MPaFatigue strength (S)=294 MPaEndurance strength (Se')=0.5Su…
Q: Enter your answer in units of MPa to 1 decimal plac
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Q: For the same bar, if the engineering strains are 0.05 and 0.10 at engineering stresses of 200 and…
A: Given data: σ1=200 MPaσ2=220 MPae1=0.05e2=0.1
Q: 7.32 (a) What is the approximate ductility (%EL) of a brass that has a yield strength of 345 MPa…
A: (a) A yield strength of 345 MPa (50,000 psi) for brass corresponds to 20 %CW. A brass that has been…
Q: What are the ultimate strengths in tension and in Compression for ASTM A48 Grade 40 cast iron?
A: Given data What is the ultimate strength in tension and compression for ASTM A48 Grade 40
Q: ate tensile strengths and the same percentage elongation, yet they are not the same steels. What are…
A: given: Materials 605M36 and 655M31 have the same yield and ultimate tensile strengths and the same…
Q: Q: Consider an 18-8 Mo stainless steel component (Figure below) that is exposed to an allowable…
A: Given: Allowable stress level = 110 MPa Rupture lifetime = 1 year. To find: Whether the metal is…
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Q: Given a 1050 HR steel, estimate Sut = 630 MPa (a) the rotating-beam endurance limit at 106 cycles.…
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Q: Describe the material behavior of Steel
A: Material behaviour of steel 1. Ductility: The ductility of steel can be changed by changing the…
Q: What is the fatigue strength of 2014-T6 Aluminum (MPa) at 1E5 life?
A: To find : fatigue strength of 2014T6 Aluminum at 1E5 life
Q: (c) An annealed AISI 4340 steel was determine to have a Brinell hardness of HB = 216. Estimate the…
A: Brinell Hardness of Steel is given as 216
Q: Specify a copper alloy that requires at least 50% elongation and at least 300 MPa tensile strength.
A: The stress-strain curve for a copper alloy (Brass) is given as under:
Q: 12. What are is an impact tests. Sketch the impact testing machine setup and explain the basic…
A: Given Specimen To find a. Impact test b. Impact test machine setup c. Basic principle of impact test…
Q: A material has an mean indentation diameter of 3.64 mm created by a 5 mm diameter Brinell Indenter.…
A: Given data Mean indentation diameter (d) = 3.64 mm Diameter of brinell indenter (D) = 5 mm Hardness…
Q: 5. () A 10-mm-diameter Brinell hardness indenter produced an indentation 2.50 mm in diameter in a…
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Q: The carbon content of the steels increases, the steels befome more and the DBTT I. ductile,…
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Q: 3) (10) A 10-mm-diameter tungsten carbide sphere creates a 4.26-mm- diameter impression under a…
A: Given: The diameter of the tungsten carbide sphere is d=4.26 mm, The diameter of the tungsten…
Q: Using various tables, determine the specific strength (yield strength-to-density ratio) in unit of…
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Q: What is the approximate yield strength of 250 maraging steel at room temperature? (No need to do a…
A: The deformation of a material in response to a tensile, compressive, or torsional force is…
Q: What are the properties of low-alloy steel?
A: Solution: Steel is a metal whose parent metal is Cast Iron and is obtained by altering the carbon…
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- Draw the engineering stress-strain curve for low carbon steel and indicate the important points on the curve.An application requires ultimate tensile strength and yield strength ofa steel at 110 ksi and 91 ksi, respectively. Answer the following 4 questions: Can SAE 1040 steel be selected for this application? If “no” is the answer in Part I, the following Part II, III, and IV can beignored. If “yes” is the answer in Part I, which condition of SAE 1040 shouldbe selected? Why is that steel with the condition in part II selected? Is the selected steel brittle or ductile? and Why?An application requires ultimate tensile strength and yield strength ofa steel at 110 ksi and 91 ksi, respectively. Answer the following 4 questions:4.1. Can SAE 1040 steel be selected for this application?4.2. If “no” is the answer in Part I, the following Part II, III, and IV can beignored. If “yes” is the answer in Part I, which condition of SAE 1040 shouldbe selected?4.3. Why is that steel with the condition in part II selected?4.4. Is the selected steel brittle or ductile? and Why?
- Q15. Materials 605M36 and 655M31 have the same yield and ultimate tensile strengths and the same percentage elongation, yet they are not the same steels. What are their carbon equivalents? 605M36 655M31Determine the yield strength sy and the ultimate strength su of the A36 steel either from Materials Science class book/notes, or by researching over the internet.Using various tables, determine the specific strength (yield strength-to-density ratio) in unit of kN⋅m/kg for AISI 1015 hot-rolled steel, 7075-T6 aluminum alloy, Ti-0.2 Pd titanium alloy, and ASTM No. 60 gray cast iron.
- A gauge # 10 HSLA steel for an automotive application has a Young’s modulus of 200 GPa, a yield strength of 370 MPa and a ultimate tensile strength of 440 MPa. What is the punch force needed to punch a square hole with a side length of 20 mm on this HSLA steel? Show your work.Q24. What is toughness of a material? Is it the same as hardness? Is it also measured in pascals? 3 Q25. What is brittle transition temperature? 2 Q26. What is the risk of using steels at temperatures above 350O?Draw a Stress/Strain graph of a mild tensile steel and identify the limit of proportionality and the yield point
- Draw with neat sketch the stress–strain behavior of steel, and identify different levels of strength. Explain with typical graph about the effect of increasing the carbon content in steel?Explain a hardness test from Vockers, Brinnell or Rockwell. Then analyse the hardness figures of 0.9% Carbon steel and 0.15% Carbon steel and what effect these differences will have on the material properties.How does the carbon content in plane carbon steels affect the fracture toughness? Show this influence by A7 curves.