Compare full stress-strain curve for steel, brass, copper and aluminium alloy.

Q: Calculate the stress developed in a steel rod that is 25 mm in diameter when a 70kNaxial tensile…

A: Diameter of rod=d= 25 mm Cross- sectional area= A= (π/4)×d2 = (π/4)×252= 490.873 mm2 Axial load=P=…

Q: The stress strain curve of Mild steel shows a. zero plastic deformation b. the curve is straight c.…

A: Please refer to the attached image a. The point A represents the yield point  of mild steel . The…

Q: Discuss different measures of ductility

A: Given data  Different measure ductility.

Q: Draw the engineering stress-strain curve for low carbon steel and indicate the important points on…

A: Low carbon steel is also known as mild steel. In low carbon steel carbon content is 0.05% - 0.25%.…

Q: Identify the different regions (elastic, plastic, fracture). Calculate: Yield stress Ultimate stress…

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Q: Certain type of steel whose Proportional limit the above theðry sing n The principal stresses were…

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

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Q: 6. What is yield stress, how is it determined for metallic materials. Give the reason behind yield…

A: Yield stress is defined as the minimum stress at which a material will undergo strain without any…

Q: 2.  Which property of this steel is significant to the failure analysis? The steel can Options:…

A: Option c is correct.

Q: Explain the difference between normal stress and shear stress?

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Q: Strain hardening is associated with hot working process. Select one: True False

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Q: Consider the graph below for 3 metals which have been cold-worked. From the graphs, which of the…

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Q: Q2/ hardness test type (Brinell hardness Test) was applied to an alloy, the device shows that BHN…

A: Dear student,                      According to guidelines I am allowed to answer only one problem…

Q: Uniform and non uniform stress, gives proper solution explanation with diagrams.

A: Given data Uniform and non uniform stress, gives proper solution explanation with diagrams.

Q: A Rockwell hardness measurement is made on a ductile iron (80-55-06 as cast) and the obtained…

A: “Since you have posted a multiple question, we will provide the solution only to the first question…

Q: 6.Explain with the aid of diagram three different hardness tests and mention the hardness measure of…

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Q: 8 mm long is subjected to a uniaxial stress đo = 120 MPa. Determine the stress intensity factor Kị.…

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Q: In fatigue tests on a certain steel, the endurance limit was found to be 1000 MPa for R=0…

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Q: explain linear stress variations,

A: As per Hooke's law in any material the stress induced is directly proportional to…

Q: Briefly summarize the key results of torsion test experiment on mild steel and aluminium.

A: Mild steel and aluminum both are ductile materials and ductile materials are weak in shear. Hence…

Q: What are the two basic failures/limit states of tension members and discuss? Derive the allowable…

A: Given question : What are the two basic failures/limit states of tension members and discuss? Derive…

Q: On a stress strain curve for structural steel, show various points like proportional limit, elastic…

A: Objective: To draw the stress-strain curve for steel, show points like proportional limit, elastic…

Q: . If the hardness of carbon steel is measured using HRC and the result was (12)HRC, discuss the…

A: the hardness of steel defined by several test which is given below: Rockwell test- In the Rockwell…

Q: Describe tensile test in detail considering the steps. Define stress, strain (equations a elasticity…

A: elastic range = it is the point in the stress-strain curve up to which the material remains elastic…

Q: A 3 meter long solid cylindrical rod has a diameter of 50 mm. The rod is subjected to a compressive…

A: Given Data P=500N dia=0.050m E=500Gpa area=3.14(0.025)2=0.0019625m2 stress=5000.0019625=0.254Mpa…

Q: Q3. Draw a representative HCF curve for aluminum alloys. Do aluminum alloys exhibit a fatigue limit?…

A: High Cycle Fatigue (HCF) refers to the behavior of materials subjected to cyclic loading at high…

Q: The R-ratio (minimum stress to

A: Given data; Determine the R ratio for this cyclic loading.During a high cycle fatigue test, a…

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: Which curve shown below (A or B) is for a BCC metal and why? A Brittle →More Ductile Temperabure…

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Q: Describe various steps to find Modulus of Elasticity of Mild Steel.

A: Solution:

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: 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: A material has the following properties: Sut = 400 MPa and n = 0.25. Calculate its strength…

A: Giventensile strength, strain hardening index,

Q: A steel specimen with square cross section is going to subject to impact test. Describe hov to…

A: To describe how to measure the impact energy from the test.