Cwb Welding Inspection Practice Test & Exam Prep

Access More Questions

Which of the following microstructure transformations occurs when an austenitic carbon steel is cooled from above the upper critical temperature (A3) at a rate exceeding the critical cooling velocity?

Austenite transforms directly to pearlite Austenite transforms to martensite via a diffusionless shear mechanism Austenite decomposes into cementite and grain-boundary ferrite Austenite transforms to coarse bainite via carbon diffusion

Correct Answer:

Austenite transforms to martensite via a diffusionless shear mechanism

Access more questions from this quiz

Continue to Cwb Welding Inspection Practice Test & Exam Prep for more practice questions and the full quiz experience.

Access More Questions