Volume 99
Institute of Metals Division 1932 Papers and Discussions Presented before the Division at Boston, September, 1931, and New York, February, 1932
Title Page
Resumption of Serial Numbers for the Transactions
Institute Officers and Directors
Institute of Metals Division Officers and Committees
Institute of Metals Division Annual Lecture
Foreword
Contents

PAPERS:

Age-hardening

TITLE AUTHOR
The Age-hardening of Metals (Annual Lecture) Paul D. Merica
Age-hardening Copper-titanium Alloys (With Discussion) F. R. Hensel and E. I Larsen
Copper-beryllium "Bronzes." (With Discussion) J. Kent Smith
Some Developments in High-temperature Alloys in the Nickel-cobalt-iron System (With Discussion) C. R. Austin and G. P. Halliwell

Constitution of Alloys

TITLE AUTHOR
The Equilibrium Diagram of the Copper-rich Copper-silver Alloys (With Discussion) Cyril Stanley Smith and W. Earl Lindlief
Equilibrium Relations in Aluminum-copper-magnesium and Aluminum-copper- magnesium Silicide Alloys of High Purity (With Discussion) E. H. Dix Jr., G. F. Sager and B. P. Sager
Equilibrium Relations in Aluminum-zinc Alloys of High Purity (With Discussion) William L. Fink and Kent R. Van Horn
Equilibrium Relations in Aluminum-cobalt Alloys of High Purity (With Discussion) William L. Fink and H. R. Freche

Metallography

TITLE AUTHOR
Preparation of Graded Abrasives for Metallographic Polishing (With Discussion) J. L. Rodda
The Beta to Alpha Transformation in Hot-forged Brass (With Discussion) Robert S. Baker
Variations in Microstructure Inherent in Processes of Manufacturing Extruded and Forged Brass Ogden B. Malin
Some Important Factors Controlling the Crystal Macrostructure of Copper Wire Bars (See A.I.M.E. Tech. Pub. 429-E.135. For discussion, see A.I.M.E. Tech. Pub. 485-E.152.) L. H. DeWald

Theoretical Metallurgy and X-ray Metallography

TITLE AUTHOR
Relation of Crystal Orientation to Bending Qualities of a Rolled Zinc Alloy (With Discussion) Gerald Edmunds and M. L. Fuller
Structure of Cold-drawn Tubing (With Discussion) John T. Norton and R. E. Hiller
Studies upon the Widmanstätten Structure, III.-The Aluminum-rich Alloys of Aluminum with Copper, and of Aluminum with Magnesium and Silicon (With Discussion) Robert F. Mehl, Charles S. Barrett and Frederick N. Rhines
An X-ray Study of the Nature of Solid Solutions (With Discussion) Robert T. Phelps and Wheeler P. Davey
On the Theory of Formation of Segregate Structures in Alloys (With Discussion) C. H. Mathewson and D. W. Smith

Corrosion

TITLE AUTHOR
Seasonal Variation in Rate of Impingement Corrosion (With Discussion) Alan Morris
Influence of Stress on Corrosion (With Discussion) D. J. McAdam, Jr.

Metal Testing and Technology

TITLE AUTHOR
Machinability of Free-cutting Brass Rod (With Discussion) Alan Morris
Effect of Small Percentages of Certain Metals upon the Compressibility of Lead at an Elevated Temperature Lyall Zickrick
Effect of Temperature upon the Charpy Impact Strength of Die-casting Alloys Bert S. Sandell
The Role of the Platinum Metals in Dental Alloys (With Discussion) E. M. Wise, W. S. Crowell and J. T. Eash
Copper Embrittlement (See A.I.M.E. Preprint, 1931.) L. L. Wyman

Miscellaneous

TITLE AUTHOR
Surface Effects on Assay Beads Caused by Metals of the Platinum Group (See A.I.M.E. Preprint, 1932. For discussion, see Mining and Metallurgy, August, 1932.) J. L. Byers
Effect of Secondary Copper on the Metal Market (See Mining and Metallurgy, August, 1931, 348-366.) Percy E. Barbour

Gases in Metals

TITLE AUTHOR
The Solubility of Gases in Metals (See A.I.M.E. Preprint, 1932.) V. H. Gottschalk and R. S. Dean
A Review of Work on Gases in Copper (See A.I.M.E. Tech. Pub. No. 478-E.151.) O. W. Ellis
The Degassing of Metals (See A.I.M.E. Preprint, 1932.) F. J. Norton and A. L. Marshall
Some Metallurgical Characteristics of Induction Furnaces as Determined by the Absorption of Oxygen of Molten Nickel (See A.I.M.E. Preprint, 1932.) F. R. Hensel an d J. A. Scott
Influence of Gases on Metals anti Influence of Melting in Vacuo (See A.I.M.E. Tech. Pub. No. 470-C.90, E. 147.) Wilhelm Rohn

INDEX

TITLE AUTHOR
Index