Some Causes of Variation in Hardness of Gold-Copper Castings

Allen, N.P. The distribution of porosity in copper ingots. Institute of Metals Advance Copy, 1933, No. 622.

Bannister, C.O. Studies on the crystallization of gold from the liquid state. Journal of the Institute of Metals, 1929, 42, 141.

Capillon, Edward A. Melting and casting some gold alloys. American Institute of Mining and Metallurgical Engineers; Technical Publication, 1930, No. 282.

Haughton, J.L. , AND Payne, Ronald J.M. Transformations in the gold-copper alloys . Institute of Metals Advance Copy, 1931, no. 571.

Jeffries, Zay , AND Archer, Robert S. The science of metals, First Edition; McGraw-Hill Book Company, Inc., N. Y.; 1924.

Kurnakow, N.S. , AND Ageew, N.W. Physico-chemical study of the gold-copper solid solutions. Institute of Metals Advance Copy, 1931, No. 576.

Kurnakow, N. , Zemczuzny, S. , AND Zasedatelev , M. The transformations in alloys of gold with copper. Journal of the Institute of Metals, 1916, 15, 305.

Mercia, Paul D. The age-hardening of metals. Transactions of the American Institute of Mining and Metallurgical Engineers , 1932, 99, 13.

Rosenhain, Walter. Introduction to Physical Metallurgy, Second Edition; Richard R. Smith, Inc., N. Y., 1930.

Tammann, Gutav . A text book of metallography. Translated from the third German edition, by Reginald Scott Dean and Leslie Gerald Swenson ; Chemical Catalog Company, Inc., N. Y.: 1925.

Wise, E.M. , Crowell, W.S. , AND Eash, J.T. The role of the platinum metals in dental alloys. Transaction of the American Institute of Mining and Metallurgical Engineers; Institute of Metals Division, 1932 , 99, 363.