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The Herring Group, Inc. Heat Treat Consultant Heat Treating Consulting The Heat Treat Doctor.com

Carburizing/Carbonitriding

  1. Otto, F.J. and Herring, D.H., Vacuum Carburizing of Aerospace and Automotive Components, Heat Treating Progress, January/February 2005.
  2. Herring, D. H., The Changing Face of Carburizing Alloys, Industrial Heating, January 2005.
  3. Herring, D. H., Heat Treating Processes, Part One: The Carburizing Process, HOT TOPICS in Heat Treatment and Metallurgy, Vol. 1, No. 4, April 2004.
  4. Yu. T., Wu, T., and Herring. D. H., Low Pressure Vacuum Carburizing + High-Pressure Gas Quenching, Heat Treating Progress, August/September 2003.
  5. Herring, D. H., Low-Pressure Vacuum Carburizing – Is It Ready for the Commercial Heat Treater?, Heat Treating Progress, June/July 2003.
  6. Lohrman, M., Grafen, W., Herring. D. H., and Greene, J., Acetylene Vacuum Carburizing (AvaC) as the Key to the Integration of the Case-hardening Process into the Production Line, Heat Treatment of Metals 2002.2 p 39-43.
  7. Herring, D. H., Pros and Cons of Atmosphere and Vacuum Carburizing, Industrial Heating, January 2002.
  8. Herring, D. H., Practical and Scientific Aspects of Low Pressure Carburizing, 2001 Heat Treating Conference Proceedings, ASM International
  9. Herring, D. H., Carburized Case Depths, Heat Treating Progress, January/February 2002
  10. Herring, D. H., A Comparison of Atmosphere and Vacuum Carburizing Technology, Industrial Heating Magazine, January 2002
  11. Lindell, G. D., Herring. D. H., Breuer, D. J., and Matlock. B., Atmosphere Vs. Vacuum Carburizing, Heat Treating Progress, November 2001
  12. Lindell, G. D., Herring. D. H., Breuer, D. J., and Matlock. B., An Analytical Comparison of Atmosphere and Vacuum Carburizing Using Residual Stress and Microhardness Measurements, 2001 Heat Treating Conference Proceedings, ASM International
  13. Herring, D. H., Practical Learning Series: Carburizing and Carbonitriding, Materials Engineering Institute, ASM International
  14. Herring, D. H., An Update on Low Pressure Carburizing Techniques and Experiences, 18th Annual Heat Treating Conference and Exposition Proceedings, ASM International. 2000.
  15. Whitbeck, R., Cabados, E., Lucas, R., Mack, C., Turner, F., Herring, D. H., and Greene J., High Volume Carburizing Technology, Advanced Materials and Processes, April 1999.
  16. Herring, D. H., A Discussion of Vacuum Carburizing Process Parameters
    Heat Treating: Equipment and Processes Proceedings, ASM International, 1994.
  17. Herring, D. H., Study of Vacuum Carburizing Process Parameters, Industrial Heating, September 1996.
  18. Herring, D. H., and Houghton, R., The Influence of Process Variables on Vacuum Carburizing, International Conference on Carburizing and Nitriding with Atmospheres, ASM International, December 1995.
  19. Herring, D. H., Vacuum Carburizing Process Parameters, Industrial Heating, September 1996.
  20. Herring, D. H., Fundamentals of Gas Carburizing and Carbonitriding, White Paper, March 1994.
  21. Herring, D. H., Vacuum Carbonitriding Provides Exact Predictable Case Depths, Modern Application News, November 1995.
  22. Kengott, R. and Herring. D. H., The Benefits of Vacuum Carbonitriding…A User’s Perspective, II, White Paper, October 1995.
  23. Herring, D. H., Vacuum Carburizing Process Parameters, Advanced Materials and Processes, December 1994.
  24. Kengott, R. and Herring. D. H., Vacuum Carbonitriding Die Cutting Punches Advantageously, Industrial Heating, September 1994.
  25. Kengott, R. and Herring. D. H., Benefits of Vacuum Carbonitriding…A User’s Perspective, White Paper, August 1994.
  26. Herring, D. H., A Discussion of Vacuum Carburizing Process Parameters, International Conference on Equipment and Processes Proceedings, ASM International, April 1994.
  27. Herring, D. H., and St. Pierre, J., Vacuum Carburizing of P/M Steels, Annual Powder Metallurgy Conference Proceedings, Volume 43, APMI International, 1989.
  28. Herring, D. H., Symposium on Vacuum Carburizing, International Lecture Series, Moscow, Minsk, and Kiev, May 1988 and November 1998 (in Russian)
  29. Herring, D. H., Pulse/Pump-Introducing a Significant Improvement for Vacuum Carburizing Users, White Paper, 1988.
  30. Herring, D. H., Why Vacuum Carburizing is Effective for Today and Tomorrow, I, II, and III
    Industrial Heating, June/September/October 1985.
  31. Herring, D. H., and Read, G., Vacuum Carburizing Developments, Metallurgia, May 1986.
  32. Herring, D. H., America’s Technology Leader…Vacuum Carburizing, White Paper, 1984.
  33. Kawka, R., Herring. D. H., Roth, P. and Sitko, R.,Vacuum Carburizing Steel, US Patent No. 4,386,973 , June 1983.

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Chemistry

  1. Herring, D. H. and Herring, T.D., Facts About the Elements: Molybdenum, Heat Treating Hints, Vol. 1 No. 1, August 2005.
  2. Herring. D. H., Facts About the Elements: Carbon, HOT TOPICS in Heat Treatment and Metallurgy, Vol. 2 No. 7, July 2004.
  3. Herring. D. H., Facts About the Elements: Niobium, HOT TOPICS in Heat Treatment and Metallurgy, Vol. 2 No. 6, June 2004.
  4. Herring. D. H., Facts About the Elements: Aluminum, HOT TOPICS in Heat Treatment and Metallurgy, Vol. 2 No. 5, May 2004.
  5. Herring. D. H., Facts About the Elements: Copper, HOT TOPICS in Heat Treatment and Metallurgy, Vol. 2 No. 4, April 2004.
  6. Herring. D. H., Facts About the Elements: Indium, HOT TOPICS in Heat Treatment and Metallurgy, Vol. 2 No. 3, June 2004.
  7. Herring. D. H., Facts About the Elements: Niobium, HOT TOPICS in Heat Treatment and Metallurgy, Vol. 2 No. 2, February 2004.

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Gears

  1. Herring, D. H., and Lindell, G. D., Reducing Distortion in Heat Treated Gears, Gear Solutions, June 2004.
  2. Herring, D. H., Gear Heat Treatment: The Influence of Materials and Geometry, Gear Technology Magazine, March/April 2004.
  3. Herring, D. H., Gear Heat Treatment: The Influence of Materials and Geometry, SME Conference: Heat Treating and Hardening of Gears, Chicago, IL, March 2004.
  4. Otto. F. and Herring. D.H., Gear Heat Treatment, Part I & II, Heat Treating Progress, June 2002, July/August 2002.
  5. Herring, D. H., Gear Heat Treatment: Today and Tomorrow, Society of Manufacturing Engineers, Technical Paper No. CM03-147, March 2003.
  6. Lindell, G. D., Breuer, D. J., and Herring. D. H., Selecting the Best Carburizing Method for the Heat Treatment of Gears, American Gear Manufacturers Association Technical Paper No. 02FTM7, October 2002.
  7. Lindell, G. D., Herring. D. H., Breuer, D. J., and Matlock. B., Atmosphere vs. Vacuum Carburizing, Gear Technology, April/May 2002
  8. Herring. D. H., Lindell, G. D., Breuer, D. J., and Matlock. B An Evaluation of Atmosphere and Vacuum Carburizing Methods for the Heat Treatment of Gears, Off-Highway Conference Proceedings, SAE International, 2002.
    9.

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General
  1. Herring, D. H., Cold and Cryogenic Treatment, Industrial Heating, May 2005.
  2. Herring, D. H., Inherent Dangers Associated with Industrial Furnace Equipment, White Paper.
  3. Herring, D. H., Heat Treating & The Internet, White Paper
  4. Herring, D. H., Induction Heating For The Rest Of Us, Industrial Heating, May 2004.
  5. Herring, D. H., Energy Conservation in Heat Treating, Industrial Heating, March 2004.
  6. Herring, D. H., The Fundamentals of Heat Treating, Part Two: Heat Treating Terminology, HOT TOPICS in Heat Treatment and Metallurgy, Vol. 2, No. 1, April 2004.
  7. Herring, D. H., The Fundamentals of Heat Treating, Part One: What is Heat Treating and Why Do We Do It?, HOT TOPICS in Heat Treatment and Metallurgy, Vol. 2, No. 1, January 2004
  8. Herring, D. H., Energy, Part One: Energy Saving Tips, HOT TOPICS in Heat Treatment and Metallurgy, Vol. 1, No. 2, December 2003
  9. Herring, D. H., How to Load Parts in Furnace Baskets, Heat Treating Progress, November/December 2003.
  10. Herring, D. H., A Reference Library for Heat Treaters, Heat Treating Progress, April/May 2003.
  11. Herring, D. H., Where Have All the Heat Treaters Gone?, Heat Treating Progress, Jan/February 2003.
  12. Herring, D. H., Manufacturing Engineering Handbook; Chapter 5: Heat Treatment, McGraw-Hill, 2003.
  13. Lohrmann, M. and Herring,. D. H., Heat Treating Challenges in the 21st Century
    Heat Treating Progress Magazine, June/July 2001
  14. Herring, D. H., A Look at the U.S. Process Heating Industry: Today and Tomorrow, Metallurgia Magazine, April 2002.
  15. Herring, D. H., Using Applications to Select and Optimize Furnace Design, Automotive Furnaces and Heat Treating Technology Clinic Proceedings, SME International, September 1996.

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Heat Treating, Atmosphere
  1. Herring, D. H., Exothermic Gas Generators: Forgotten Technology? Industrial Heating, June 2005.
  2. Herring, D. H., Furnace Atmosphere Analysis by the Shim Stock Method, HOT TOPICS in Heat Treatment and Metallurgy, Vol. 2, No. 6, June 2004.
  3. Braziunas, V. and Herring, D. H., A Flowmeter Primer, Heat Treating Progress, March/April 2004
  4. Herring, D. H., Peak Shaving: What Impact Does It Have on the Heat Treater?, Industrial Heating, January 2004.
  5. Herring, D. H., Frequently Asked Questions About Flowmeters Heat Treating Progress, October 2002
  6. Herring, D. H., Purging of Furnaces: Is it Safe? Heat Treating Progress, September 2002
  7. Herring, D. H., Comparing Carbonitriding and Nitrocarburizing, Heat Treating Progress, April/May 2002
  8. Herring, D. H., Fundamentals of Brazing, Materials Engineering Institute, ASM International.
  9. Herring, D. H., Safety and Atmospheres, Heat Treating Progress, November 2001
  10. Herring, D. H., Practical Learning Series: Furnace Atmospheres,
    Materials Engineering Institute, ASM International
  11. Herring, D. H., Endothermic Gas Generators, Heat Treating Progress, February 2000
  12. Herring, D. H., Principles and Use of Endothermic Gas Generators, 1999 Heat Treating Conference Proceedings, ASM International, Advanced Materials and Processes, February 2000
  13. Herring, D. H., and Hansen, P., Heat Treating of Ferrous P/M Parts, Advanced Materials and Processes, April 1998
  14. Herring, D. H., and Hansen, P., Heat Treating Ferrous P/M Parts, Powder Metallurgy Clinic Proceedings, SME International, September 1998
  15. Herring, D. H., and Hansen, P., Key Considerations in the Heat Treatment of Ferrous P/M Alloys, 17th Annual Heat Treating Conference and Exposition Proceedings, ASM International, September, 1997
  16. O’Neill, R. and Herring, D. H., The Use of Dissociated Ammonia in Heat Treating
    Industrial Heating, August 1998
  17. O’Neill, R,. and Herring, D. H., Principles and Use of Dissociated Ammonia
    17th Annual Heat Treating Conference and Exposition Proceedings, ASM International, September, 1997
  18. Herring, D. H., Technical Considerations in the Use of Dissociated Ammonia or Nitrogen/Propane as a Brazing Furnace Atmosphere, White Paper, 1997.
  19. Herring, D. H., Heat Treating Atmospheres, Institute of Gas Technology, CICGI II Lecture, June 1984 – June 1999
  20. Herring, D. H., Heat Treating and Atmosphere Generation, Institute of Gas Technology, CICGI II Lecture, June 1978 – June 1999
  21. Herring, D. H., Heat Treating of Ferrous P/M Materials, Sintering Conference Proceedings, APMI International, 1985.
  22. Herring, D. H., Seven Key Considerations in Heat Treating, White Paper, 1987.
  23. Herring, D. H., Let’s Stop and Consider…The Not So Obvious Disadvantages of Atmosphere Carburizing, White Paper, 1984.

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Heat Treating, Vacuum
  1. Herring, D. H., Understanding the Principles of Vacuum and Vacuum Furnaces, Part Two: The Molecule Counters, HOT TOPICS in Heat Treatment and Metallurgy, Vol. 2, No. 6, January 2004.
  2. Herring, D. H., Understanding the Principles of Vacuum and Vacuum Furnaces, Part One: What is a Vacuum? (D. Herring)*, HOT TOPICS in Heat Treatment and Metallurgy, Vol. 1, No. 1, November 2003.
  3. Herring, D. H., Plasma Assisted Surface Treatments, Heat Treating Progress, March 2002
  4. Edenhofer, B., Bouman, D. and Herring. D. H., Chapter 7: Vacuum Heat Treatment,
    Steel Heat Treatment Handbook, 2nd Edition
  5. Edenhofer, B., Bouman, D. and Herring. D. H., Chapter 7: Vacuum Heat Processing,
    IHEA Home Study Course, Industrial Heating Equipment Association.
  6. Mitchell, J., Herring, D. H., and Gornicki, W., Small Batch Processing of Tools Advantageously, SME Vacuum Heat Treating Conference, Indianapolis, IN, 1999.
  7. Herring. D. H., and Hansen. P., Low Temperature Vacuum Heat Treating, 17th Annual Heat Treating Conference and Exposition Proceedings, ASM International, September, 1997.
  8. Herring, D. H., Low Temperature Vacuum Heat Treating, Vacuum Heat Treating Clinic Proceedings, SME International, June 1997.
  9. Herring, D. H., Key Considerations in Low Temperature Vacuum Processing,Furnaces North America ‘96 Conference Proceedings, September 1996.
  10. Herring, D. H., Continuous Design Allows High Pressure Quenching at 6 Bar and Beyond
    Vacuum Technology Seminar, ASM International, May 1994.
  11. Herring, D. H., Increased Productivity Through The Use of Continuous Vacuum Designs, Heat Treating, January 1985.
  12. Herring, D. H., The Vacuum Process…Is It Right For Me? Quest ’86 Conference Proceedings, ASM International
  13. Herring, D. H., Understanding Vacuum, Quest ’86 Conference Proceedings, ASM International
  14. Herring, D. H., Vacuum Heat Treat Furnaces for Vacuum Heat Treating, Industrial Heating, August 1985.
  15. Herring, D. H., A Glimpse Into The Future of Vacuum Heat Treating, White Paper, 1985.

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