The tensile strength of polymers is represented by the image below. To calculate the tensile strength of polymers, three essential parameters are needed and these parameters are Tensile Strength at Infinite Weight (TS∞), Constant (A) and Mean Number Molecular Weight (M’n).
The formula for tensile strength of polymers:
TS = TS∞ – (A/M’n)
Where:
TS = Tensile Strength of Polymers
TS∞ = Tensile Strength at Infinite Weight
A = Constant
M’n = Mean Number Molecular Weight
Let’s solve an example;
Find the tensile strength of polymers when the tensile strength at infinite weight is 8, the constant is 4 and the mean number molecular weight is 2.
This implies that;
TS∞ = Tensile Strength at Infinite Weight = 8
A = Constant = 4
M’n = Mean Number Molecular Weight = 2
TS = (8) – (4/2)
So, TS = (8) – (2)
TS = 6
Therefore, the tensile strength of polymers is 6 Pa.
Calculating the Tensile Strength at Infinite Weight when the Tensile Strength of Polymers, Constant and the Mean Number Molecular Weight are Given
TS∞ = TS – (A / M’n)
Where:
TS∞ = Tensile Strength at Infinite Weight
TS = Tensile Strength of Polymers
A = Constant
M’n = Mean Number Molecular Weight
Given an example;
Find the tensile strength at infinite weight when the tensile strength of polymers is 44, the constant is 80 and the mean number molecular weight is 10.
This implies that;
TS = Tensile Strength of Polymers = 44
A = Constant = 80
M’n = Mean Number Molecular Weight = 10
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TS∞ = TS – (A / M’n)
TS∞ = 44 – (80 / 10)
So, TS∞ = 44 – 8
TS∞ = 36
Therefore, the tensile strength at infinite weight is 36.
Read more:Â How to Calculate and Solve for Tensile Strength of Alloy of Spring | Material Selection
Calculating the Constant when the Tensile Strength of Polymers, Tensile Strength at Infinite Weight and Mean Number Molecular Weight are Given
A = M’n (TS∞ – TS)
Where:
A = Constant
TS = Tensile Strength of Polymers
TS∞ = Tensile Strength at Infinite Weight
M’n = Mean Number Molecular Weight
Let’s solve an example;
Find the constant when the tensile strength of polymers is 12, the tensile strength at infinite weight is 24 and the mean number molecular weight is 2.
This implies that;
TS = Tensile Strength of Polymers = 12
TS∞ = Tensile Strength at Infinite Weight = 24
M’n = Mean Number Molecular Weight = 2
A = M’n (TS∞ – TS)
So, A = 2 (24 – 12)
A = 2 (12)
A = 24
Therefore, the constant is 24.
Read more:Â How to Calculate and Solve for Number Average Molecular Weight | Polymer
Calculating the Mean Number Molecular Weight when the Tensile Strength of Polymers, Constant and the Tensile Strength at Infinite Weight are Given
M’n = A / TS∞ – TS
Where:
M’n = Mean Number Molecular Weight
TS = Tensile Strength of Polymers
TS∞ = Tensile Strength at Infinite Weight
A = Constant
Given an example;
Find the mean number molecular weight when the tensile strength of polymers is 20, the tensile strength at infinite weight is 30 and the constant is 5.
This implies that;
TS = Tensile Strength of Polymers = 20
TS∞ = Tensile Strength at Infinite Weight = 30
A = Constant = 5
M’n = A / TS∞ – TS
M’n = 5 / 30Â – 20
So, M’n = 5 / 10
M’n = 0.5
Therefore, the mean number molecular weight is 0.5.
How to Calculate the Tensile Strength of Polymers With Nickzom Calculator
Nickzom Calculator – The Calculator Encyclopedia is capable of calculating the tensile strength of polymers.
To get the answer and workings of the tensile strength of polymers using the Nickzom Calculator – The Calculator Encyclopedia. First, you need to obtain the app.
You can get this app via any of these means:
Web – https://www.nickzom.org/calculator-plus
To get access to the professional version via web, you need to register and subscribe to have utter access to all functionalities.
You can also try the demo version via https://www.nickzom.org/calculator
Android (Paid) – https://play.google.com/store/apps/details?id=org.nickzom.nickzomcalculator
Android (Free) – https://play.google.com/store/apps/details?id=com.nickzom.nickzomcalculator
Apple (Paid) – https://itunes.apple.com/us/app/nickzom-calculator/id1331162702?mt=8
Once, you have obtained the calculator encyclopedia app, proceed to the Calculator Map, then click on Materials and Metallurgical under Engineering.
Now, Click on Polymer under Materials and Metallurgical
Now, Click on Tensile Strength of Polymers under Polymer
The screenshot below displays the page or activity to enter your values, to get the answer for the tensile strength of polymers according to the respective parameter which is the Tensile Strength at Infinite Weight (TS∞), Constant (A) and Mean Number Molecular Weight (M’n).
Now, enter the values appropriately and accordingly for the parameters as required by the Tensile Strength at Infinite Weight (TS∞) is 8, Constant (A) is 4 and Mean Number Molecular Weight (M’n) is 2.
Finally, Click on Calculate
As you can see from the screenshot above, Nickzom Calculator– The Calculator Encyclopedia solves for the tensile strength of polymers and presents the formula, workings and steps too.
