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Recreation Automotive Aerospace Industrial Inflatable
World Leader in Braided Reinforcements
QISOTM and BimaxTM
Webinar May 9, 2012
• QISO™ architecture
• Applications using QISO™
• Why QISO™
• Customization
• Cost/Properties
• Bimax™
Overview
• Quasi-Isotropic Reinforcement in a Single Braid LayerQuasi-Isotropic Reinforcement in a Single Braid Layer• Symmetric and Balanced with One Ply Symmetric and Balanced with One Ply
0°(axial)
-60°(bias)
+60°(bias)
33%
33%
33%
Uniform Stiffness In All Directions
Applications
I-65 Bridge RepairI-65 Bridge Repair
Applications
QISOTM – Every Ply Balanced & Symmetric
1 layer braid4 layers woven or
8 layers tape
• QISO allows for decreased layup time• Reduced thickness, less weight
0/90± 45
0/90±45
Why QISO™?
Symmetric & Balanced Lamina
1 layer QISOTM 0°, ± 60° Asymmetric & Unbalanced Laminate
2 layers fabric 0°,90°, ± 45°
Why QISO™?
QISOTM – Energy Absorption
• Stiffness mismatch at ply interfaces is eliminated thus reducing delamination stresses• Significant reduction in delamination enables improved laminate performance during impact events• Multiaxial laminate efficiently distributes load from primary impact location
Why QISO™?
Front Back
Resistance to Crack Propagation(Velocity above penetration threshold)
QISOTM arrests cracks with highly integrated multiaxial architecture
Why QISO™?
33% Material Waste 19% Material Waste
Plain WeavePlain Weave
52% Material Waste
QISOQISOTMTM Why QISO™?
(Reduced Material Scrap)
[0,+60,-60] Triaxial Braid [0,90] 8H Weave
(QISO vs. Weave)TMTM
Why QISO™?
Woven ConeWoven Cone
Why QISO™?
Why QISO™?
Woven ConeWoven Cone
Why QISO™?
Why QISO™?
QISOQISOTMTM
Using QISO™ over changing cross-sections, there is:
• Reduced Concern Over Fiber Misalignment
• Simplicity In Design, Manufacturing, and Quality
Why QISO™?
• Widths To Optimize Utilization• Areal Weights / Thickness• Yarn Type• Hybrids• Fiber Orientation• Strategic Axial Placement
Customization
Customization
Customization
(Hybrid Materials)
Alternating Fiberglass & Carbon Fibers in Bias & Axial Positions
Uniform Tool Surface – CTE is maintained with single balanced lamina
Huge material costs savings & layup costs savings
Customization
Fabric end-contouring
Biaxial fiber-end domes
Biaxial fiber-end domes
Unidirectional +Biaxial fibers for
hoop section
Customization(Hybrid Architectures)
(Tailored prepreg) Customization
Customization
(Tailored prepreg)
Fabric Style: Fabric Style:
Price/length $24.00 $/yd Price/length $13.36 $/ydWidth 50 in Width 26 in
205 gsm 271 gsm6.05 oz/yd^2 8.00 oz/yd^20.38 lb/yd^2 0.50 lb/yd^2
Yield 1.91 yd/lb Yield 2.77 yd/lbPrice/Area $17.28 $/yd^2 Price/Area $18.50 $/yd^2
Price/ pound $45.73 $/lb Price/ pound $37.00 $/lb
FAW
T300-3K commercial 2/2 twill
Carbon-3K commercial QISO
FAW
red font denotes input data
Cost
• Significant material characterization done in various research efforts
• Several epoxy systems tested (PR520, 3502, 5208, 862/W), Vinyl Ester (Derakane 411) and Phenolic
• Primarily in-plane properties at room temperature
• Detailed data can be supplied upon request
QISO Properties
Resources
Contacts:
Pam Schneider: [email protected]
Dave Kehrl: [email protected] 513-688-3297
A&P Technologywww.braider.com
513-688-3200
BimaxTM – Affordable ±45° Bias Fabric
Eliminates cutting 0°/90° fabrics to create bias plies
• Reduces Waste• Saves labor
• Eliminates splices improving laminate
quality
