Physical Metallurgy of Direct Chill Casting of Aluminum Alloys: 1st Edition (Hardback) book cover

Physical Metallurgy of Direct Chill Casting of Aluminum Alloys

1st Edition

By Dmitry G. Eskin

CRC Press

328 pages | 149 B/W Illus.

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pub: 2008-04-17
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Description

Pulling together information previously scattered throughout numerous research articles into one detailed resource, Physical Metallurgy of Direct Chill Casting of Aluminum Alloys connects the fundamentals of structure formation during solidification with the practically observed structure and defect patterns in billets and ingots. The author examines the formation of a structure, properties, and defects in the as-cast material in tight correlation to the physical phenomena involved in the solidification and the process parameters.

The book draws on the author’s advanced research to provide a unique application of physical metallurgy to direct chill (DC) casting technology. He examines structure and defect formation— including macrosegregation and hot tearing. Each technology-centered chapter provides historical background before reviewing current developments. The author supports his conclusions with computer simulation results that have been correlated with highly progressive experimental data. He presents a logical system of structure and defect formation based on the specific features of the DC casting process. He also demonstrates that the seemingly controversial results reported in literature are, in fact, caused by the different ratio of the same mechanisms.

Compiling recent results and data, the book discusses the fundamentals of solidification together with metallurgical and technological aspects of DC casting. It gives new insight and perspective into DC casting research.

Table of Contents

Direct Chill Casting: Development of the Technology

References

Solidification of Aluminum Alloys

Effect of Cooling Rate and Melt Temperature on Solidification of Aluminum Alloys

Microsegregation in Aluminum Alloys

Solidification Reactions and Phase Composition

Effect of Alloy Composition on Structure Formation: Grain Refinement

References

Solidification Patterns and Structure Formation during Direct Chill Casting

Shape and Dimensions of the Billet Sump

Solidification Rate and Cooling Rate during DC Casting

Effects of Process Parameters on the Formation of Grain Structure

Effect of Process Parameters on the Amount of Nonequilibrium Eutectics

Effect of Process Parameters and Alloy Composition on the Occurrence of Some Casting Defects

References

Macrosegregation

Mechanisms of Macrosegregation

Effects of Process Parameters on Macrosegregation during DC Casting

Effect of Composition on Macrosegregation. Macrosegregation in Commercial Aluminum Alloys

References

Hot Tearing

Thermal Contraction during Solidification

Mechanical Properties of Semi-Solid Alloys

Mechanisms and Criteria for Hot Tearing

Effects of Process Parameters on Hot Tearing during DC Casting

References

Concluding Remarks

Index

About the Originator

Author

About the Series

Advances in Metallic Alloys

Learn more…

Subject Categories

BISAC Subject Codes/Headings:
TEC020000
TECHNOLOGY & ENGINEERING / Manufacturing
TEC021000
TECHNOLOGY & ENGINEERING / Material Science