Date

1971

Document Type

Thesis

Degree

Master of Science

Department

Materials Science and Engineering

First Adviser

Walter C. Hahn, Jr.

Abstract

A process was investigated whereby a straight length of cylindrical tubing was formed into a 90 degree elbow with a sharp bend radius. This was accomplished by applying hydraulic pressure to the tube inserted in a suitable die. An upper-bound analysis to determine the required pressure as a function of strength and geometry was obtained. The equipment was designed using the results of the analysis as design criteria. The equipment was built and performed as predicted. Other configurations where high internal pressure is beneficial in producing products of complicated shapes are introduced.

Comments

Former department name: Metallurgy and Materials Science

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