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Cavitation Peening for Improved Ballistic Performance

Award Information
Agency: Department of Defense
Branch: Navy
Contract: N00178-17-C-1138
Agency Tracking Number: N171-037-0677
Amount: $124,991.00
Phase: Phase I
Program: SBIR
Solicitation Topic Code: N171-037
Solicitation Number: 2017.1
Solicitation Year: 2017
Award Year: 2017
Award Start Date (Proposal Award Date): 2017-09-21
Award End Date (Contract End Date): 2018-03-20
Small Business Information
4718 B Street NW Suite 104, Auburn, WA, 98001
DUNS: 030321009
HUBZone Owned: N
Woman Owned: N
Socially and Economically Disadvantaged: N
Principal Investigator
 Tom Butler
 (253) 852-1298
Business Contact
 Tom Butler
Phone: (253) 852-1298
Research Institution
A need exists to improve the ballistic response of armor for Littoral Combat Ships. Simply increasing armor thickness is unacceptable because the associated increase in weight and space would reduce vessel performance speed and range. Surface treatment techniques for current armor materials such as steel, aluminum and ceramic may improve armor performance significantly without an associated weight penalty. Ormond has developed a low cost cavitation peening process that has already been shown to improve ballistic response of silicon carbide and boron carbide armor. Since that testing by the Army, cavitation peening has improved considerably. The process imparts deep residual compressive stresses in other materials of interest also, such as steel and aluminum. The goal of this project is to demonstrate the feasibility of improving ballistic response of armor materials through cavitation peening. Improvements will be quantified through ballistic testing. Major advantages of the process include its low cost, ability to peen ceramic as well as metals, its suitability to use in ship yards (even using existing pumps and robots) and the ability to peen large structures in place through the tankless peening process. It is also environmentally benign, using only recycled water.

* Information listed above is at the time of submission. *

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