Difference between KIFR and KIC to measure the fracture toughness?

Zhwan Sktani @Zhwan_Sktani

10 October 2018 0 8K Report

Dear Sir/Madam,

excuse me, what are the major difference between two fracture toughness terms KIC and KIFR?

Which of these terms has more preferences in the up to date fracture toughness evaluation?

Which of these terms should be used by design engineers?

What is the reason for this selection?

Thank you for your answers and contribution.

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