Formation of a metallurgical phase known as sigma phase results in a loss of _________ in some stainless steels as a result of high temperature exposure.

Formation of a metallurgical phase known as sigma phase results in a loss of _________ in some stainless steels as a result of high temperature exposure.
A . Ductility
B . Fracture toughness
C . Embrittlement
D . None of the above

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Answer: B