Document Type

Thesis

Date of Award

6-30-1965

Degree Name

Master of Science in Chemical Engineering - (M.S.)

Department

Chemical Engineering

First Advisor

C. L. Mantell

Second Advisor

George C. Keeffe

Third Advisor

Deran Hanesian

Abstract

This thesis is a report on the research and engineering efforts made, since 1957, to further define the causes and means for the prevention of catastrophic brittle fracture of carbon steels at ambient temperatures. All of the data based on the literature published from 1958 to 1965 has been critically examined and correlated.

Included are discussions of the factors affecting brittle fracture and the tests used to predict resistance Of steels to brittle fracture. Correlations of tests with actual service performance and relationships between tests are discussed. A review and critical evaluation of present day steel specifications as they affect brittle fracture is presented.

A number of recommendations for the prevention of brittle fracture are made, including chemical composition, material testing, manufacturing, and quality control procedures.

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