How to Calculate and Solve for Fracture Toughness Design Stress | Fracture
Last Updated on December 15, 2022
The image of fracture toughness design stress is represented below.
To compute for fracture toughness design stress, four essential parameters are needed and these parameters are Factor of Safety (N), Applied Load Constant (Y), Critical Wall Stress (σy) and Maximum Allowable Flow Length (ac).
The formula for calculating fracture toughness design stress:
KIC = Y(σy/N)√(πac)
KIC = Fracture Toughness Design Stress
Y = Applied Load Constant
N = Factor of Safety
σy = Critical Wall Stress
ac = Maximum Allowable Flow Length
Given an example;
Find the fracture toughness design stress when the applied load constant is 7, the factor of safety is 4, the critical wall stress is 2 and the maximum allowable flow length is 8.
This implies that;
Y = Applied Load Constant = 7
N = Factor of Safety = 4
σy = Critical Wall Stress = 2
ac = Maximum Allowable Flow Length = 8
KIC = Y(σy/N)√(πac)
KIC = 4(2/7)√(π(8))
KIC = 4(0.285)√(25.132)
KIC = 4(0.28)(5.013)
KIC = 5.729
Therefore, the fracture toughness design stress is 5.729 J/cm².
Nickzom Calculator – The Calculator Encyclopedia is capable of calculating the fracture toughness design stress.
To get the answer and workings of the fracture toughness design stress 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 Fracture under Materials and Metallurgical
Now, Click on Fracture Toughness Design Stress under Fracture
The screenshot below displays the page or activity to enter your values, to get the answer for the fracture toughness design stress according to the respective parameter which is the Factor of Safety (N), Applied Load Constant (Y), Critical Wall Stress (σy) and Maximum Allowable Flow Length (ac).
Now, enter the values appropriately and accordingly for the parameters as required by the Factor of Safety (N) is 7, Applied Load Constant (Y) is 4, Critical Wall Stress (σy) is 2 and Maximum Allowable Flow Length (ac) is 8.
Finally, Click on Calculate
As you can see from the screenshot above, Nickzom Calculator– The Calculator Encyclopedia solves for the fracture toughness design stress and presents the formula, workings and steps too.