Ajit Kelkar, Ph.D. - Nanomanufacturing Conference

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TEOS Electrospun Nanofibers• TEOS electrospun nanofibers are suitable for the development ofdelamination resistant composites.• Delamination of composites due to low velocity impacts is highlycritical due to its subsurface nature.• Wind Mill Blades, Composite Bridge Decks, Naval Floor Boards areprone to low and high velocity impacts.
Homogenized Properties• Improvement in the moduluswas observed with nanofiberreinforcement than with NeatEpon Resin.• Improvement in tensilemodulus compared tomicrofiber specimen.SpecimenMax.Load(Kip)Tensilestrength(Ksi)Modulus(Msi)E-Glass 1 0.412 6.697 0.535E-Glass 2 0.473 7.759 0.506Espun 1 0.642 10.538 0.484Espun 2 0.616 10.017 0.493• If area under the curve isanalyzed, toughness of nanofiber composite is almostdouble than the micro fibercomposites.
Page 1 and 2: NANOENGINEERED MATERIALSAND THEIR A
Page 3 and 4: NASA Nanotechnology RoadmapC A P A
Page 5 and 6: • Structural Composites• Applic
Page 7: Boeing 787Carbon laminateCarbon san
Page 11 and 12: FAILURE PATTERNS OF STATIC TENSILE
Page 13 and 14: INSTALLED TUNNEL COVERS
Page 15 and 16: Before Testing
Page 17 and 18: At 8,006 lbs pull in the 90 degree
Page 19 and 20: Reengineering of Nose Bay DoorPossi
Page 21 and 22: Typical Failures in Composites due
Page 23 and 24: Myth vs. Reality• Nano materials
Page 25 and 26: Nanofibers Manufacturing usingElect
Page 27: Temperature EffectsNON-SINTEREDSINT
Page 31 and 32: TABLE 2. SUMMARY OF MSBS ANDSBS TES
Page 33 and 34: NANOENGINEERED MATERIAL - IICarbon
Page 35 and 36: Lightning Strikes
Page 37 and 38: OBJECTIVESTo disperse XD-CNTs into
Page 39 and 40: XD-CNTsXD nanotubes are a mixture o
Page 41 and 42: Dispersion of XD-CNTsHigh rate Shea
Page 43 and 44: TENSILE TESTS0%, 0.015% and 0.15% C
Page 45 and 46: FRACTOGRAPHYCross Section of 0.015%
Page 47 and 48: COUPONS WITH FUNCTIONALIZED XD-CNTs
Page 49 and 50: Sample Set 1 Preparation - LayoutSa
Page 51 and 52: Flexural modulus (GPa)Flexural modu
Page 53 and 54: Flexural strength (MPa)Flexural str
Page 55 and 56: Compression PropertiesSampleDescrip
Page 57 and 58: NANOENGINEERED MATERIAL - IIIAlumin
Page 59 and 60: Material System Configuration• Hy
Page 61 and 62: ProcessingResin ModificationPure Re
Page 63 and 64: Alumina Hybrid Composite LaminateMa
Page 65 and 66: ATOMISTIC MODELINGTo develop fully
Page 67 and 68: Modeling ApproachUnit Cell Developm
Page 69 and 70: Simulated AnnealingSuggested curing
Page 71 and 72: Computational DetailsNumber of atom
Page 73 and 74: Statistical AnalysisNTabular Result
Page 75 and 76: Modeling ApproachConstruct SWNT (6,
Page 77 and 78: ResultsPrediction of Young’s modu
Page 79 and 80:
298318338358378398418438458478498An
Page 81 and 82:
1.1551.2551.3551.4551.5551.6551.755
Page 83 and 84:
ConclusionsDeveloped MD model EPON
Page 85:
On the Lighter Side - In case Nothi
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Ajit Kelkar, Ph.D. - Nanomanufacturing Conference

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