Calculate the percent cold reduction when ansteel wire is cold drawn from a diameter of 6 mm to a diameter of 3 mm.

Q: Which material/metal is the stiffest based on the following data provided and why?

A: Concept: 1) Stiffness is ability of material to resist deformation against applied load.  2) For the…

Q: We could do strain hardening even if the material starts to have necking. True or false?

A:

Q: Explain, with the aid of diagrams, how crack propagation is affected by the presence of the fibers…

A: Solution: The detailed answer is given below:

Q: Realizing that ductile materials fail by shear, what did Henri Trescapropose?

A: Henry Tresca theory: Tresca yield criteria is a theory for the failure for the ductile materials.…

Q: Describe Castigliano’s Second Theorem?

A: As per Castigliano’s Second Theorem:   The first partial derivative of the total internal energy in…

Q: Describe the general trends that connect stress level and temperature with steady-state creep rate…

A: Creep is a kind of deformation seen in the material subjected to cyclic loading. The gradual slow…

Q: When λ=1.5Å and θ=30°, how much strain (Δd/d) is needed to cause a peak broadening same as that of…

A: This problem is related to Braggs law.  if λ is the wavelength of X-ray,d is the distance between…

Q: In steel making, if the raw materials contain low Si and high P contents, which process should be…

A: For steel Making process which using electric arc furnace. Which primary material will be the scrap…

Q: I did a torsion test to experimentally calculate the brass modulus of rigidity. My experimental…

A: For determining the torsional properties of the material torsion test is performed. With the help of…

Q: Explain the damage occurs for composite material with different expansion coefficients.

A: A composite material is a combination of different layers of different materials all reinforced…

Q: A steel bridge rail is 400 meters long. During winter, the temperature drops to -40 C and goes back…

A:

Q: During plastic deformation anisotropy in sheet metals can: a have adverse effect during the…

A:

Q: What happens or characteristics you observed when you change the copper wire material to aluminum…

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Q: What is Thermal Nox?

A: Answer given below:

Q: Why is it not necessary to use stress concentration factors if the material is ductile?

A: Stress concentration is a location in a member under load where the magnitude of stress is…

Q: An aircraft manufacturer received a shipment of aluminum rivets that are already age hardened. Can…

A: The meaning of salvaging is the process or activity of taking out and re-use the useful material or…

Q: A paper clip is made of wire 0.7 mm in diameter. If the original material from which the wire is…

A: Given data Where ‘f’ and ‘i’ denotes the final and initial conditions

Q: A magnet is suspended 40 cm in average above a conveyor belt to extract metal pieces from a…

A: Given: Magnet suspended 40 cm  To find: recovery rate

Q: How can the fatigue be prevented?

A: Fatigue: Fatigue is the deformation material due to cyclic loads applied to it. This results in the…

Q: 6) Would ceramic materials or metallic materials would have better creep resistance? Briefly explain…

A: As per bartleby guidelines we are allowed to solve only 1st question if multiple questions are…

Q: Estimate the energy required to melt a half ton of Brass in a single phase induction furnace. If the…

A: Given that mass of brass to be melted (M)= 0.5 ton = 500 Kg ; time for melting = 30 min.  ; Specific…

Q: Discuss the Importance of Heat Treatment.

A: Solution:   Heat Treatment is a process to expose a material to a certain pre specified temperature…

Q: An 80μm diameter glass fiber is confirmed to have no surface cracks longer than 5μm.  If the…

A: given; ⇒theoretical strength (τ1)=5GPa                                          =5000Mpa⇒breaking…

Q: Explain how you identified the metal.

A:

Q: What is a fatigue limit, and what relevance does it have for lifetimes in the gigacycle (109)…

A: Fatigue is a kind of failure that occurs in a material when they are constrained to repeated…

Q: For pure aluminum (Tm = 660 °C), how is plastic deformation at elevated temperature (for example,…

A: given ; ⇒For pure aluminum (Tm = 660 °C), how is plastic deformation at elevated temperature (for…

Q: Sketch a persistent slip band, define what it is, and explain its role in fatigue.

A: Sketch of Persistent slip band:

Q: What would happen to the wire if it were stretched beyond its elastic limit? What would happen to…

A: Consider the diagram of stress vs strain for tension test for a typical tensile metal as shown…

Q: Compare the carbonization and nitrification of steel

A: To compare : Carbonization of steel (Carburizing) Nitrification of steel (Nitriding)   Carburising…

Q: Why does the Ultimate tensile Strength (UTS) show a different value than when the test sample…

A: To explain: Why different value from ultimate tensile strength have been got at the time of breaks.…

Q: Based on the plotted curve, calculate the average/tangent Young's modulus and Poisson's ratio for…

A: we have to evaluate  the poisson's ratio & youngs modulus

Q: Describe how a ductile fracture comes about?

A: Answer : Ductile Material are those materials that go through substantial plastic deformation before…

Q: Calculate the percent cold reduction when an Al wire is cold drawn from a diameter of 4 mm to a…

A: Given data,  D1= 4 mm  D2= 2 mm

Q: Q What is the difference between the Glass, Ceramic and Metal in terms of Plasticity?

A:

Q: 1. List at least 5 types of forming operations that are used to shape metals into functional shapes.…

A: 1) Rolling:In the rolling process, metal plates are pushed between a combination of two or three…

Q: sketch the following mechanical behavior on the same graph: linear elastic,linear elastic perfectly…

A:

Q: A bimetallic strip (brass/steel), which is straight at room temperature, will be immersed in boiling…

A:

Q: List 3 of the design methods that can be applied to avoid the occurrence of fatigue

A: Fatigue is the beginning and spread of fractures in a material as a result of cyclic stress,…

Q: effect on mechanical properties via control of the slip process.briefly explain?

A: Effect on mechanical properties via control of the slip process:;   A slip system is a mix of a…

Q: Calculate the maximum diameter that an Al2O3 bar must have without deforming if it is subjected to a…

A:

Q: A shape memory material is in the full martensite phase with 100% temperature- induced martensite…

A: From the shape memory alloy material properties.   Transformation temperatures. Ms=18 °C,Mf=9…

Q: If the area and temperatures are same across the material. Explain whether thermal conductivity will…

A: Thermal conductivity is a property of the material which shows the ability to conduct heat through…

Q: Explain what is the effective-slenderness ratio?

A: Slenderness ratio is the ratio of effective length to the least radius of gyration S=le/K It is a…

Q: Compare between hot and cold working of metals.

A: To compare: The hot and cold working. Explanation: Hot working: This process is done above the…

Q: What is the maximum value of KIc as per LEFM that can be determined from experiments on a 20 mm…

A: Givent=20mmσy=500MPaE=210GPaμ=0.3

Q: estimate the hot forming temp. for aluminum has a melting point 660°C

A: Given question : Estimate the hot forming temperature for aluminum that has a melting point of 660oC…

Q: • A 850-lb force is applied to a o.15-in. diameter nickel wire having a yield strength of 45,000 psi…

A: Find the stress and determine the wire will deform plastically or not.