A non-cold-worked cylindrical rod with an initial length of 800 mm and diameter of 15 mm is to be deformed using a tensile load of 45 kN. Of the materials listed below, which are possible candidates if you assume that failure of the system occurs when the rod plastically deforms? Do the possible candidates change if you change your assumption to the system failing at the onset of necking in the rod? Justify your choice(s).| Material | Young’s Modulus (GPa) | Yield Strength (MPa) | UTS (MPa) | Elongation (%) ||------------|-----------------------|----------------------|-----------|----------------|| 1040 Steel | 205 | 440 | 680 | 25 || Brass | 100 | 185 | 310 | 68 || Copper | 125 | 160 | 220 | 44 |Explanation:- Young's Modulus: A measure of the stiffness of the material.- Yield Strength: The stress at which a material begins to deform plastically.- UTS (Ultimate Tensile Strength): The maximum stress a material can withstand while being stretched or pulled before necking.- Elongation (%): The capacity of a material to undergo deformation before breaking, expressed as a percentage of the original length.

Given; The initial length of the rod, L = 800 mm The diameter of the rod, d = 15 mm The tensile load, P = 45 kN The yield tensile strength of the material, σ=PA=45×1000π40.0152=254.77 MPa The stresses at which material yield or necking starts is 254.77 MPa which is greater than the yield strength of brass and copper and lower than the yield strength of 1040 steel. thus, AISI 1040 steel is suitable material for the cylindrical rod to perform the tensile test under a given conditions.

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A non-cold-worked cylindrical rod with an initial length of 800 mm and diameter of 15 mm is to be deformed using a tensile load of 45 kN. Of the materials listed below, which are possible candidates if you assume that failure of the system occurs when the rod plastically deforms? Do the possible candidates change if you change your assumption to the system failing at the onset of necking in the rod? Justify your choice(s). Material Young's Modulus (GPa) 1040 Steel Yield Strength (MPa) UTS (MPa) Elongation (%) 205 440 680 25 Brass 100 185 310 68 Соpper 125 160 220 44

A non-cold-worked cylindrical rod with an initial length of 800 mm and diameter of 15 mm is to be deformed using a tensile load of 45 kN. Of the materials listed below, which are possible candidates if you assume that failure of the system occurs when the rod plastically deforms? Do the possible candidates change if you change your assumption to the system failing at the onset of necking in the rod? Justify your choice(s). Material Young's Modulus (GPa) 1040 Steel Yield Strength (MPa) UTS (MPa) Elongation (%) 205 440 680 25 Brass 100 185 310 68 Соpper 125 160 220 44

Elements Of Electromagnetics

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Author:Sadiku, Matthew N. O.

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Pressure Vessels

The term pressure vessel refers to a closed container that contains gas or liquid at a different pressure than environment pressure. The pressure vessels have a wide scale of applications in our day-to-day lives and other industrial places. Some common examples of pressure vessels are gas cylinders, autoclaves, compressor vessels, etc.

Question

A non-cold-worked cylindrical rod with an initial length of 800 mm and diameter of 15 mm is to be deformed using a tensile load of 45 kN. Of the materials listed below, which are possible candidates if you assume that failure of the system occurs when the rod plastically deforms? Do the possible candidates change if you change your assumption to the system failing at the onset of necking in the rod? Justify your choice(s).

| Material | Young’s Modulus (GPa) | Yield Strength (MPa) | UTS (MPa) | Elongation (%) |
|------------|-----------------------|----------------------|-----------|----------------|
| 1040 Steel | 205 | 440 | 680 | 25 |
| Brass | 100 | 185 | 310 | 68 |
| Copper | 125 | 160 | 220 | 44 |

Explanation:
- Young's Modulus: A measure of the stiffness of the material.
- Yield Strength: The stress at which a material begins to deform plastically.
- UTS (Ultimate Tensile Strength): The maximum stress a material can withstand while being stretched or pulled before necking.
- Elongation (%): The capacity of a material to undergo deformation before breaking, expressed as a percentage of the original length.

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