Lester A. D'Cruz

Research Publications

Refereed Journal Publications (Arizona State University, PhD Research):
  1. L. A. D’Cruz,  “ The role of Iridium in the Work Function Behavior of Dilute Solution Tungsten-Iridium Alloys”, PhD Dissertation, Arizona State University, Tempe, AZ, December 1991.
  2. L.A. D’Cruz, D.R. Bosch, and D.L. Jacobson, “The Effect of Surface Depletion on the Work Function of Arc-Melted Dilute Solution W-Ir Alloys”, High Temperature Science, Vol. 32, p 59-76, 1993.
  3. L.A. D’Cruz, D.R. Bosch, and D.L. Jacobson, “The High Temperature Work Function of Sintered Dilute Solution W-Ir Alloys”, Journal of Materials Engineering and Performance, Vol. 2(1), p.81-88, 1993.
  4. L.A. D’Cruz and D.L. Jacobson, “Sub-surface Iridium Depletion in Dilute Solution Tungsten -Iridium Alloys”, Int. J. Refractory Metals and Hard Materials, Vol. 11 (4) p.223, 1993.

Conference Proceedings and Presentations (Arizona State University, PhD Research):
  1. L. A. D’Cruz and D. L. Jacobson, “ High Temperature Effective Work Function Variations at Surfaces of Dilute Solution Tungsten-Base Alloys containing Iridium ”, 28th Intersociety Energy Conversion Engineering Conference (IECEC’93), Atlanta, GA, 1993, Vol. 1, p 567-72
  2. L.A. D’Cruz, D.R. Bosch, and D.L. Jacobson, “High Temperature Work Function of Sintered Dilute Solution W-Ir Alloys”, 181st Meeting of the Electrochemical Society, St. Louis, Missouri, May 18-22, 1992.
  3. L.A. D’Cruz, D.R. Bosch, and D.L. Jacobson, “Effective Work Function Comparison for Arc-Melted and Sintered W-Ir Alloys”, Conference Proceedings, ‘Nuclear Power Engineering in Space’ Sukhumi, USSR, October 28-31, 1991.
  4. L.A. D’Cruz, J.F. Morris and D.L. Jacobson, “Oxygen Segregation Behavior During the Vacuum Sintering of Ir and Hf Added Tungsten Powders”, ”, The Metallurgical Society-AIME Fall meeting, Detroit, Michigan, October 1990.
  5. D. Tang, D.R. Bosch, L.A. D’Cruz and D.L. Jacobson, “Work Function study of Some Dilute Solutions of Sintered Tungsten-Iridium Alloys”, 25th Intersociety Energy Conversion Engineering Conference (IECEC’90), Reno, NV, August 1990, Vol. 6, p59.
  6. L.A. D’Cruz, J.F. Morris and D.L. Jacobson, “Effect of Ir and Hf Additions on the Sintering of W-compacts”, The Metallurgical Society-AIME Annual meeting, Anaheim, California, Feb 1990.

Research Grant Program Reports (Arizona State University, PhD Research):
  1. Co-Author: “Processing and Evaluation of Tungsten, Iridium Alloys for Thermionic Converter Electrodes”, Final Report for “Thermionic Oscillation Research”, Air Force Contract #F-33615-87-C-2769, Vol. 1, January 1991.
  2. Co-Author: “High Temperature Alloys for High Power Thermionic Systems”, Final Report, Progress Report, Department of Energy, Contract DE-91009292/XAB, August 1990, p143.

(see Education)