2-4 Which of the aluminum alloys shown in Figure 2-21 would you choose to obtain (a) Maximum strength (b) (c) (d) Maximum modulus of resilience Maximum modulus of toughness Maximum stiffness

Q: The yield stresses (σY) have been measured using steel and aluminum specimens of various grain sizes…

A: given; for steel;diameter (DS)=60.5μm  yield strength (σys)=160MPafor aluminium;diameter…

Q: Consider the tensile stress-strain diagram in the figure below labeled 1 and 2. These diagrams are…

A: Strain-Hardening: Strain hardening (also known as work-hardening or cold-working) is the process of…

Q: A 30 cm long, 12 mm diameter carbon steel rod was subjected to 15.5 kN of tension. Calculate:  (a)…

A: Given Applied load = 15.5 kN  Length = 30 cm Diameter = 12 mm To find Stress Strain Change in…

Q: scuss the concept of stresses? State the properties could be drawn from the stress strain diagrams

A: when load is applied on a member , by nature it will try to deform the member. the material will try…

Q: The yield region for steel that has a normal grain diameter of 2.4x10-2 mm is 260 MPa. At a grain…

A:

Q: Determine the tensile yield strength (0.2% offset) and the maximum strength of a metal alloy having…

A: Solution: To find yield stress using offset method, a line is drawn parallel to the initial portion…

Q: Question Three: Derive expressions that shows 1) Relationship between modulus of elasticity and…

A: The ratio of normal stress to longitudinal strain is known as Young'sModulus or Modulus of…

Q: Write a short representation of a high alloy steel with 0.15% C, 10% Cr, 8% Ni, 2% Mo and a small…

A: The short representation will start with a set of digits representing 100 times the percentage of…

Q: e) Compute the strain hardening exponent at the true tensile stress [take K = ) Quantify ductility…

A: The data is shown in two graphs below: the first depicts the whole stress-strain curve, while the…

Q: 7- Calculate the tensile strength of steel: ou = 700 * c% + 340 N mm ( for hypo eutectoid steel)

A:

Q: A 3-m steel bar was cooled from 65ºC to 30ºC. What will be the final length of the steel bar?…

A: given data,

Q: From the following figure shows the tensile stress- strain curve for a plain-carbon steel. What is…

A:

Q: a. Rank the materials from most ductile to most brittle. b. Determine the tensile strength of each…

A: The material C has highest yield stress. Hence, it is the strongest material but most brittle one.…

Q: The stress-strain curve for mild steel is shown in figure given below. Choose the correct option…

A: Given: Stress-strain curve for mild steel,

Q: a. What is the Brinell hardness number (HB) for 1020 Steel that has been annealed at 785 "C? (Check…

A:

Q: The rigid beam of negligible weight is supported by a pin at O and two vertical rods. Find the…

A: Given: The load, P = 70 kips

Q: In Figure 1, with its dimensions, loading status and material properties, different full circle…

A: Given data: The diameter of part AB is dAB=100 mm The diameter of part BC is dBC=80 mm The length of…

Q: When the force P reached 1600 lb, the wooden specimen shown failed in shear along the surface…

A: given data as per the question force = 1600 lb   after the failure position of the members is shown…

Q: Strength of a metal can be measured by the internal resistance or stress that it can withstand.…

A:

Q: 2-15 What are the principal alloy elements of an AISI 4340 steel? How much carbon does it have? Is…

A: Different types of steels used in engineering applications are: Low carbon steel Medium carbon…

Q: as depicted in the figure. As

A: given:

Q: Figure 2 shows the results of tensile tests performed on Alloys A and B. Interpret from the curves…

A: The figure given is : It represents two materials with different material properties

Q: 2-4 Which of the aluminum alloys shown in Figure 2-21 would you choose to obtain (a) Maximum…

A: Strength: The ability of any material to withstand an applied load without any plastic deformation…

Q: Which of the materials depicted in the graph: (Answer with Letter ONLY) A B Ductility Toughest Most…

A:

Q: Consider the tensile stress-strain diagram in the figure below labeled 1 and 2. These diagrams are…

A: Alloy: Alloy is a combination of two or more substances out of which one substance must be a metal…

Q: The ultimate strength of steel may be assumed to be 450 MPa.

A: solution- given: w-0.3m FOS-2.5 ultimate stress-450Mpa

Q: Which of the materials depicted in the graph: (Answer with Letter ONLY) Tensile Strength

A: The most ductile material is material C because it's ductility is highest.

Q: onsider the tensile stress-strain diagram in the figure below labeled 1 and 2. These diagrams are…

A:

Q: Determine the young's modulus of metal alloy having the following tensile stress - strain diagram

A: We Know that slope of stress strain diagram gives youngs modules.  Here at strain=0.001…

Q: 4-52 If there were 77500 grains/m2 in a pho- tograph of a metal taken at 100× mag- nification,…

A:

Q: 3 - Both yield strength and ultimate tensile strength exhibit the ability of a material to withstand…

A: Ultimate tensile strength:  It is the maximum tensile stress that a material can withstand before it…

Q: is a graphical representation of fatigue strength on the Y-axis and the number of stress cycles on…

A: Answer The S - N  Diagram  is a graphical representation of fatigue strength on the Y-axis and the…

Q: Draw a fatigue loading spectrum (stress - time plot) writing the appropriate equations of them, and…

A: Fatigue Loading Fatigue loading is the changes observed in a material under the influence of stress…

Q: 3. Labeled S-N curve for fatigue, fatigue crack growth curve and creep curve for a metal.

A: for solution refer below images.

Q: 7. Consider 1.5 kg of a 99.6 wt% Fe-0.4 wt% C steel that is cooled to a temperature just below the…

A: In this problem we are asked to consider 2.0 kg of a 99.6 wt% Fe-0.4 wt% C alloy that is cooled to a…

Q: Determine the tensile yield strength (0.2% offset) and the maximum strength of a metal alloy having…

A: Draw a line parallel to the initial curvature at a distance of 0.002 which give the yield strength…

Q: ) Using Animated Figure, compute the rupture lifetime for an S-590 alloy that is exposed to a…

A:

Q: Figure QI(a) shows the stress-strain graphs of four dıfferent materials labelled as A, B, C and D.…

A: a) The order of strain hardening in the material ABCD is as below. A> C >B >D b) Proof…

Q: When a statically determinate structure is heated or cooled, its members do not experience…

A: When a statically determinate structure is heated or cooled, its members do not experience…

Q: PROBLEM 4. The rigid bar is supported by a pin at A and two metal wires, each having a diameter of 4…

A:

Q: Consider that you have conducted an experiment of "Tensile Test" for zinc, in which the result was…

A: from the shape of the curve it is clear that zinc is ductile in nature Yeild occurs at somewhere…

Q: Define the term Modulus of Toughness?

A: Toughness is the property due to which the material can withstand impact loading without fracture…

Q: Determine whether the first part of statement will INCREASE, DECREASE or HAVE NO EFFECT in the…

A: 1. If there is an increase in application of stress then the presence of dislocation will INCREASE…

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: Explain the relation of stress transformation in detail with diagram.

A: Draw a block showing 3D stress state into 2D stress state as given below. Here σx, σy, and σz are…

Q: In Figure P3-21, specify a suitable aluminum alloy for the member AB if the load is to be repeated…

A: Drawing the free body diagram of the given system,

Q: What is the difference of a non-ferrous alloy and steel components, for example in bicycle? Give at…

A: Alloy  Alloy, metallic composite, consisting of either a compound or solution, two or more elements.…

Q: xplain the difference between Modulus of elasticity and Stiffness?

A: The elastic modulus measures the stiffness in a material, but strength is a function of the modulus.…