Masters Theses


Fracture toughness and crack growth rates in friction stir welded joints of AL 7075-T651


"Friction stir welding is an aluminum plate joining process that has been found to be more superior to that of fusion welding. The need for information on this process regarding its response to fracture is vital in understanding the working life of high strength aluminum alloy plate structures in the aerospace industry. The objective of this study is 1) to perform plane strain fracture toughness tests to understand how the friction stir welded material will resist crack growth both in the longitudinal (T-L) and transverse (L-T) planes, 2) to perform plane strain fracture toughness tests through the weak areas of the weld, and 3) to perform tests on fatigue crack growth rates through the weak areas of the welds"--Abstract, leaf iii.


Mechanical and Aerospace Engineering

Degree Name

M.S. in Mechanical Engineering


University of Missouri--Rolla

Publication Date

Fall 2004


ix, 55 leaves

Note about bibliography

Includes bibliographical references (leaves 104-105).


© 2004 Christopher Kempf, All rights reserved.

Document Type

Thesis - Citation

File Type




Library of Congress Subject Headings

Aluminum alloys -- Fracture
Friction welding
Fracture mechanics
Welded joints -- Cracking

Thesis Number

T 8657

Print OCLC #


Link to Catalog Record

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