Percent elongation Solution

STEP 0: Pre-Calculation Summary
Formula Used
Percent elongation = (Fracture Length-Original Length)*100/Original Length
%EL = (lf-L0)*100/L0
This formula uses 3 Variables
Variables Used
Percent elongation - Percent elongation is the percentage of plastic strain at fracture.
Fracture Length - (Measured in Meter) - Fracture length is the length measured subsequent to fracture and after the two broken ends have been repositioned back together.
Original Length - (Measured in Meter) - The Original Length refers to the material refers to its initial size or dimension before any external forces are applied.
STEP 1: Convert Input(s) to Base Unit
Fracture Length: 1.5 Centimeter --> 0.015 Meter (Check conversion ​here)
Original Length: 5000 Millimeter --> 5 Meter (Check conversion ​here)
STEP 2: Evaluate Formula
Substituting Input Values in Formula
%EL = (lf-L0)*100/L0 --> (0.015-5)*100/5
Evaluating ... ...
%EL = -99.7
STEP 3: Convert Result to Output's Unit
-99.7 --> No Conversion Required
FINAL ANSWER
-99.7 <-- Percent elongation
(Calculation completed in 00.020 seconds)

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Indian Institute of Technology (IIT), Chennai
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Failure Testing in Materials Calculators

Critical stress for crack propagation
​ Go Critical stress = sqrt(2*Young's Modulus*Specific surface energy/(pi*Crack Length))
Percent cold work
​ Go Percent cold work = 100*(Cross-sectional Area-Area after deformation)/Cross-sectional Area
Percent reduction in area
​ Go Percent reduction in area = (Cross-sectional Area-Fracture area)*100/Cross-sectional Area
Percent elongation
​ Go Percent elongation = (Fracture Length-Original Length)*100/Original Length

Percent elongation Formula

Percent elongation = (Fracture Length-Original Length)*100/Original Length
%EL = (lf-L0)*100/L0

Ductility and Percent elongation

Ductility can be expressed quantitatively as percent elongation. A significant proportion of the plastic deformation at fracture is confined to the neck region, this magnitude of will depend on specimen gauge length.

How to Calculate Percent elongation?

Percent elongation calculator uses Percent elongation = (Fracture Length-Original Length)*100/Original Length to calculate the Percent elongation, Percent elongation is the percentage of plastic strain at the fracture. Percent elongation is denoted by %EL symbol.

How to calculate Percent elongation using this online calculator? To use this online calculator for Percent elongation, enter Fracture Length (lf) & Original Length (L0) and hit the calculate button. Here is how the Percent elongation calculation can be explained with given input values -> -99.7 = (0.015-5)*100/5.

FAQ

What is Percent elongation?
Percent elongation is the percentage of plastic strain at the fracture and is represented as %EL = (lf-L0)*100/L0 or Percent elongation = (Fracture Length-Original Length)*100/Original Length. Fracture length is the length measured subsequent to fracture and after the two broken ends have been repositioned back together & The Original Length refers to the material refers to its initial size or dimension before any external forces are applied.
How to calculate Percent elongation?
Percent elongation is the percentage of plastic strain at the fracture is calculated using Percent elongation = (Fracture Length-Original Length)*100/Original Length. To calculate Percent elongation, you need Fracture Length (lf) & Original Length (L0). With our tool, you need to enter the respective value for Fracture Length & Original Length and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.
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