PUBLICATIONS LIST
Roy J. Cunningham, Senior Metallurgical Engineer
Drive Systems Technology, Inc.
Mechanical Power Transmission Consultants
24 Marlborough Lane
Glen Mills, PA 19342-1519
Phone: 610-358-0785 Fax: 610-358-2776
Web: www.gear-doc.com; E-Mail: royjcunningham@comcast.net
1) “Parameters of Aerospace Gear Heat Treating” – published in Heat Treating Magazine 11(7) and 11(8), 1979. This paper also presented at the American Society for Metals Heat Treating Conference in Chicago, Illinois, on October 10, 1978.
2) “Metallurgical Requirements and Qualification Testing of an Advanced Gear Material” – Presentation given to AGMA Aerospace Gearing Committee Meeting in Atlanta, Ga., May 1976.
3) “Recent Helicopter Advancements in Materials Research at Boeing Vertol” – Presentation given at the AGMA Aerospace Gearing Committee Meeting in Orlando, Fl., March 1980.
4) “Optimizing Fatigue Properties of a Cast Precipitation Hardening Steel”, Co-Author with Ray Nagan, Arwood Corp., published in Metals Progress, March 1981.
5) “Standard Practice for Carburized Aerospace Gearing” – Specification written for the American Gear Manufacturers Association – Specification No. 246.01.
6) “Material Evaluation, Test Results and Final Report – Vasco X2, 0.15% Carbon (BMS 7-223) Steel HLH/ATC Transmission”, 173pp. June 1974. B/V Proprietary Report – Document No. 301 – 12-10036-2).
7) “Toughness Evaluation of BMS 7-223 Steel”, 32pp. October 1979, B/V Document No. D210-12033-1.
8) “Threshold Stress Level Evaluation of Vasco X2 Steel”, (BMS 7-223) and AISI 9310 (BMS 7-249), IR&D 1978 Final Report, 49pp. April 1979, B/V Document No. D210- 12034-1.
9) “Fatigue Life Improvement of 15-5Ph Stainless Investment Cast Material” – IR&D 1978 Final Report, 26pp. August 1979, B/V Document No. D210-12035-1.
10) “Salt Water Corrosion Failure of a 4340M Steel Component” – Paper written and presented at the Metallography in Failure Analysis Conference in Ft. Lauderdale, Florida in May 1983.
11) “Qualification of High Temperature Vacuum Carburizing for an Aircraft Gear Steel” – Presented at 1st International SAMPE Metals Conference, August 1987.
12) “Qualification of High Temperature Vacuum Carburizing for an Aircraft Gear Steel”, Published in ‘Competitive Advances in Metals and Processes, pp. 301 – 308, 1987.
13) “Process Developments in Advanced Gear Materials” – Presented at 1st International SAMPE Metals Conference, August 1987.
14) “Process Developments in Advanced Gear Materials” – Published in competitive Advances in Metals & Processes, pp 320 – 327, 1987.
15) “Competitive Advances in Metals and Processes”, Edited by R. Cunningham – Published in Society for the Advancement of Material and Process Engineering, 356 pp, 1987.
16) American Gear Manufacturers Association Specification – AGMA 240.02, “Practice for Carburized Aerospace Gearing” – I was a principal contributor to this specification.
17) American Gear Manufacturers Association Specification – AGMA 230.01 “Surface Temper Inspection after Grinding” – I was a principal contributor to this specification.
18) “Gear Materials” – ‘Chapter Written in Darle Dudley’s Gear Handbook’, 2nd Edition, Published by McGraw-Hill, 1992, 41 pp
19) The Application of Very Large, Weld Fabricated, Carburized, Hardened & Hard Finished Advanced Technology Gears In Steel Mill Gear Drives” May 2006, by Raymond J. Drago, Roy Cunningham, & Steve Cymbala: Association of Iron & Steel Technology AISTech Technical Meeting, Cleveland, OH, 18 pages.
20) Hydrogen & Internal Residual Stress Gear Failures – Some Failure Analyses and Case Studies – Raymond J. Drago and Roy J. Cunningham, Drive Systems Technology, Inc. – 9 pp. Paper given at AGMA Yearly Meeting, 2008.
21) The Anatomy of a Micropitting Induced Tooth Fracture Failure – Causation, Initiation, Progression and Prevention – Raymond J. Drago and Roy J. Cunningham, & Steve Cymbala, Drive Systems Technology, Inc. 9 pp, Paper given at AGMA Yearly Meeting, 2009.
22) The Anatomy Of A Lubrication Erosion Failure – Causation, Initiation, Progression And Prevention September 2013 – AGMA Fall Technical Meeting Paper 13FTM16, By Raymond J. Drago and Roy J. Cunningham, Drive Systems Technology, Inc., and William Flynn, Chalmers & Kubeck.
SOCITY MEMBERSHIPS
ASM – American Society for Metals – Past Member
AGMA – Aerospace Gearing Committee, Subcommittee Chairman of Aerospace Materials
AGMA – Metallurgy and Materials Committee – Member
SAMPE – General Chairman of the SAMPE International Metals Conference held August 1978 at Valley Forge, Pa.
PATENT
A Unique Method for Carburizing High Alloy Steel – U.S. Patent No. 3885995, issued May, 1975.
SEMINAR LIST
Gear Materials – Selection, Metallurgy, Heat Treatment, and Quality Control (24 Hours)
- American Gear Manufacturers Association, Concordville, PA, January 2008
- American Gear Manufacturers Association, Concordville, PA, January 2009
- American Gear Manufacturers Association, Clearwater Beach, FL, February 2011
- Arrow Gear Company, On-Site, Downers Grove, IL March 2011
- Arrow Gear Company, On-Site, Downers Grove, IL September 2011
- American Gear Manufacturers Association, Milwaukee, WI, May 2012
- American Axle and Machine, Detroit, MI July 2012
- American Gear Manufacturers Association, Clearwater Beach, FL, February 2013
- American Gear Manufacturers Association, Clearwater Beach, FL, February 2014
- American Gear Manufacturers Association, Clearwater Beach, FL, February 2014
- American Gear Manufacturers Association, Clearwater Beach, FL, February 2015
- American Gear Manufacturers Association, Clearwater Beach, FL, February 2016
- American Gear Manufacturers Association, Clearwater Beach, FL, May 20
