Can a three-dimensional material change into a plane strain state or plane stress state when plastic deformation/destruction occurs under uniaxial tensile stress? If it can, give an example and explain

Q: Is the strain energy per unit volume, or strain energy density, is equivalent to the area under the…

A: Given data: The tension in the specimen is The area of cross-section is The length of the specimen…

Q: Explain the concept of stress and strain in mechanical engineering and how they are related. Provide…

A: In mechanical engineering, stress and strain are fundamental concepts used to understand how…

Q: With a suitable example explain the difference between True stress-strain and Engineering stress-…

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

Q: What do you mean by fatigue failure of machine parts? Explain briefly. Give an example of a thing or…

A: Fatigue Failure

Q: From a microstructure point of view, how do elastic and plastic materials deformations occur?

A: Elastic deformation: The deformation deformation in the object which disappears after the removal of…

Q: B/A steel bar 200 mm long and having a square cross section 40 mm on an edge is pulled in tension…

A: Given data,  L= 200 mm  Cross section of S= 40 mm  So area will be A=S²= 1600 mm²  P= 180000 N…

Q: Explain the differences between a ductile material and brittle material. Also, draw their…

A: DUCTILE MATERIALS: 1. Ductile material are those which undergoes large plastic deformation under the…

Q: Example 2. A cylindrical bar of 40 mm diameter and 1 m length is subjected to a tensile test. Its…

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Q: You are given a 10-cm-diameter cylindrically shaped extruded bar (length = 50 cm) of an aluminum…

A: The anisotropic fracture toughness behavior should be an exhibit by the extruded bar with the lowest…

Q: If Hooke’s Law is defined by the proportionality of stress and strain, at what point in the graph…

A: Stress- strain curve of material shows the behavior of the material under tensile load. It shows…

Q: Example 2. A cylindrical bar of 40 mm diameter and 1 m length is subjected to a tensile test. Its…

A: A cylindrical bar-Diameter d=40 mmLength L=1 mLongitudinal strain is 6 times lateral strainModulus…

Q: In a typical engineering stress-strain diagram, stress keeps on increasing after yield point due to…

A: Stress Strain Curve is a graphical representation of the behaviour of a material when a load or…

Q: Explain the importance of Poisson's ratio for any mechanical component used in industry. Use a…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: Express Hook's Law for non linear elastic material ? Explain in detail.

A: Hooks law: Hooks law is very important in physics and technology.  It states that extension or…

Q: Define Young's Modulus, Hooke's Law, Modulus of Resilience, Fracture Strength & True Stress Vs…

A: Young Modulus It is the solid stiffness of the material or it is the resistance to elastic…

Q: Can the maximum normal stress theory or Mohr’s failure criterion be used in practice to predict the…

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Q: A square bar with an initial size of 13.2 mm is reduced by cold work to 10.7 mm (still square). If…

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Q: How does the increase in strain rate affect the Youngs modulus, UTS and ductility of material? (At…

A: There is a great impact of strain rate, temperature, and other atmospheric conditions on the young…

Q: Your boss is convinced and decided that the customers will save a lot of energy in processing…

A: This question is based on scientific opinion.

Q: Do the deformations occur only in a single plane when an element of material is subjected to…

A: Deformations occur in every plane passing through an element of material subjected to deformation.…

Q: (i)Explain why the titanic was failed catastrophically (ii)Determine the suitable laboratory testing…

A: 1. It should be a type of  catastrophic failure in the structural materials because of the below…

Q: 7) In plastic strain, if flow stress changes from 01 to o2 and temperature ranges from T1 to T2 .…

A: By Arrhenius Equation,ln K=-𝑸R1T+ln Afor plastic strain   K=σlnσ=-𝑸R1T+ln A

Q: 3. Differentiate between the behaviors of metallic and non-metallic materials under tensile test.…

A: 3)In this we have to differentiate between the behaviour of metallic and non metallic under tensile…

Q: Draw stress-strain curve and discuss about plastic deformation and elastic deformation.

A: Stress is the force acting per unit area in a specimen while strain is the ratio of change in…

Q: Write the constitutive law for a material with linear elastic anisotropic behavior under mechanical…

A: Linear elastic anisotropic behavior refers to the mechanical property of a material that exhibits…

Q: How can you assume the linear elastic behavior of a material?

A: Both linear and nonlinear elastic materials will elastically return to an “unloaded” state…

Q: A Cotton fiber, initially 2.2 cm long, is being stretched to its maximum known strain. What would…

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Q: Write the constitutive law for a material with linear elastic anisotropic behavior under mechancial…

A: An anisotropic material is one that has different mechanical properties in different directions.…

Q: 1 A rod of a certain material is 50 mm in diameter for the first 100 mm and 25 mm in diameter for…

A: Given data:Rod 1:Diameter, D1 = 50 mm = 0.05 m for first 100 mm lengthL1 = 100 mm = 0.1 mDiameter,…

Q: Based on the stress-strain plots, which materials tested are stiff and which are tough? How can you…

A: Solution:

Q: For a bronze alloy, the stress at which plastic deformation begins is 267 MPa and the modulus of…

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Q: 3. For a brass alloy, the stress at which plastic deformation begins is 360 MPa, and the modulus of…

A: As per given question  Stress=360mpa Module of elasticity =110 gpa Cross sectional Area =150mm2…

Q: For the stress-strain curve shown below, please estimate the properties indicated. Please do your…

A: Given:Stress-Strain curve.To find:Various mechanical properties enlisted.

Q: elongation in mm?

A: To determine the resultant Elongation

Q: Give some examples of the Deformation of a body?

A: Deformation of bodies categorized into different types such as  1) Elastic deformation 2) Plastic…

Q: A student conducted an experiment to determine the behavior of poly (ethylene) and poly (tetrafluo-…

A: Given: To find: Plot stress strain curve Find Young's modulus Strain energy before plastic…