Analysis and Modeling of Foreign Object Damage (FOD) in Ceramic Matrix Composites (CMCs)

Award Information
Agency: Department of Defense
Branch: Navy
Contract: N68335-12-C-0060
Agency Tracking Number: N10A-010-0626
Amount: $499,657.00
Phase: Phase II
Program: STTR
Awards Year: 2012
Solicitation Year: 2010
Solicitation Topic Code: N10A-T010
Solicitation Number: 2010.A
Small Business Information
5150 E. PACIFIC COAST HWY, SUITE # 650, LONG BEACH, CA, -
DUNS: 603371238
HUBZone Owned: N
Woman Owned: Y
Socially and Economically Disadvantaged: N
Principal Investigator
 FRANK ABDI
 CHEIF SCIENTIST
 (562) 961-7827
 FABDI@ALPHASTARCORP.COM
Business Contact
 KAY MATIN
Title: PRESIDENT
Phone: (562) 981-7827
Email: KMATIN@ALPHASTARCORP.COM
Research Institution
 University of Akron
 Gregory Morscher
 ASEC, Rm 110
Akron,, OH, 44325-
 (330) 972-7741
 Nonprofit college or university
Abstract
The Phase II STTR technical objective will update, expand, and validate the excellent results achieved in the Phase I"Analysis and Modeling of Foreign Object Damage (FOD) in Ceramic Matrix Composites (CMC"s)"program. The program will evaluate CMC component life capability before and after impact in a realistic operating environment. Predictions will be validated using new experimental impact results at elevated temperatures and NDE measurements of CMC specimens before and after impact. Multi-scale Progressive Failure Analysis (MS-PFA) will use the GENOA commercial software coupled with LS-DYNA/ABAQUS to assess the micromechanical multisite damage evolution process. Updated models will include triangulation, adaptive meshing, microstructure and damage visualization, interface influences, etc. Damage and stress are fully visualized down to the micromechanical level, and show fiber/matrix/ply stress redistribution after damage. Delamination initiation/propagation and damage size versus impact velocity between specific plies will be compared to test results. A high temperature impact test facility and advanced NDE measurement capability will be developed at the University of Akron. Example materials under evaluation are MI SCi/SCi, NASA N24A and S200. Life prediction in an engine environment will be demonstrated before and after impact in a Phase II Option. Close coordination will be maintained with the NAVAIR TPOC.

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

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