The effect of mold coating and mold matrix on the thermal fatigue and mechanical fracture of continuously cast gray iron permanent mold inserts

Author

Kenneth Michael Martinez

Abstract

"The mold coating and mold matrix have a tremendous effect on the thermal fatigue and mechanical fracture of continuously cast gray iron permanent mold inserts. The following research was completed to begin a study into the effects of mold geometry and mold coating on thermal fatigue.

The first part of the thesis describes the instrumentation and procedures for the experimentation. These procedures establish a repeatable method for obtaining data that relates mold coating, mold geometry, thermal fatigue, and mechanical cracking.

The second part involves an analysis of ferritic and pearlitic inserts. The impact of insert matrix and mold coating was studied with respect to the number of casting runs and the total number of castings that resulted in crack initiation, crack growth, and insert failure.

The last part provides a metallographic examination of crack initiation and growth mechanisms, including the effects of mold coating and mold matrix"--Abstract, page iv.

Advisor(s)

Ramsay, Christopher W.

Committee Member(s)

Askeland, Donald R.
Flanigan, V. J.

Department(s)

Materials Science and Engineering

Degree Name

M.S. in Metallurgical Engineering

Publisher

University of Missouri--Rolla

Publication Date

Fall 1997

Pagination

xiv, 142 pages

Note about bibliography

Includes bibliographical references.

Rights

© 1997 Kenneth Michael Martinez, All rights reserved.

Document Type

Thesis - Restricted Access

File Type

text

Language

English

Thesis Number

T 7379

Print OCLC #

38868742

Link to Catalog Record

Electronic access to the full-text of this document is restricted to Missouri S&T users. Otherwise, request this publication directly from Missouri S&T Library or contact your local library.

Recommended Citation

Martinez, Kenneth Michael, "The effect of mold coating and mold matrix on the thermal fatigue and mechanical fracture of continuously cast gray iron permanent mold inserts" (1997). Masters Theses. 1677.
https://scholarsmine.mst.edu/masters_theses/1677