In this May 9, 1997 photo, (from left to right) Duane Johnson, Ben Hillberry, Warren Stevens, LeRoy Silva, and Jack Champaigne discuss the Center over lunch at Purdue.
The project to establish a shot peening center at Purdue University (see report below) is progressing to the next phase, which is to ascertain industry interest. A fee based not-for-profit consortium is visualized that would provide research and development funding into fundamental shot peening theory and practice. The scope of the program could be enlarged to "Surface Enhancement Engineering Center. Membership in the consortium would allow you early access to the newest technology. Could your company benefit from some of these topics?
1. Non-destructive testing of peening intensity
2. Non-destructive testing of stress-depth profile
3. Computer modeling of peening process
4. Liquid tracers for high and low intensity peening coverage
determination
5. Shot and air flow rates through a blast hose
6. Nozzle efficiency (direct pressure nozzle, induction nozzle,
gravity fed nozzle)
7. Determination of minimum coverage and optimum coverage requirements
8. Determination of minimum shot size for a given peening intensity
(i.e. detrimental effects)
9. Peening intensity determination without use of Almen strips
10. Relation of peening intensity and coverage on stress-depth
profile
11. Relation of stress-depth profile on fatigue life
Have you ever wanted to inspect incoming parts for proper peening? Have you ever wondered how a design engineer selected a particular shot size and intensity for peening? Have you ever wanted to reduce your costs of compressed air? Have you ever wanted to reduce the time to run Almen strip saturation curves? Have you ever tried to describe coverage to a new employee and wanted a better tool for comparison? Have you ever wondered if you could shave some more weight from a gear and not suffer fatigue failure? Have you ever needed better (fatigue life) performance from a spring?
Companies that might want to participate in this venture should contact Jack Champaigne for more information. Several companies have already expressed an interest in either cash funding or equipment donations. It's very important that a broad basis of support is found for this project and your quick response would be greatly appreciated.
Earlier we reported that: Purdue University was exploring the possibility of establishing a national center on shot peening control. Meetings conducted with Dean Richard Schwartz and other members of the Purdue Engineering Administration provided a framework for concept and funding. One of the topics of high interest was development of a simulation model for shot peening, similar to finite element analysis. This tool could provide product engineers a high degree of confidence when specifying shot peening. Mechanical Engineering technology students would be available to assist in development of peening parameters, including stress profiles and life cycle fatigue testing. Several automotive companies have expressed interest in this project and the National Science Foundation (NSF) might participate with matching grants.
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Revised: 10/10/01
