Welcome to Westonci.ca, where curiosity meets expertise. Ask any question and receive fast, accurate answers from our knowledgeable community. Our platform connects you with professionals ready to provide precise answers to all your questions in various areas of expertise. Explore comprehensive solutions to your questions from knowledgeable professionals across various fields on our platform.

During the plastic deformation portion of a uniaxial compression test, two cylindrical specimens first maintain its cylindrical shape (decreasing in length and increasing in diameter), then:
a. Specimen 1 transitions into barreling (the specimen attains a barrel shape) and the breaks. b. Specimen 2 breaks without barreling.
Give, in two separate paragraphs with no less than eight (8) lines each, your explanation for these two behaviors.