Knowde Enhanced TDS
Identification & Functionality
- Chemical Name
- Reinforcement Form
- Reinforcement Material
- Composite Materials Functions
- CAS No.
- 409-21-2
- EC No.
- 206-991-8
- Technologies
- Product Families
Features & Benefits
Applications & Uses
- Applications
- Composites End Use
- Plastics & Elastomers End Uses
- Uses
HI-NICALON™ ceramic fiber is primarily designed to be used as reinforcements for high temperature ceramic composites. It can also be used as a reinforcement for plastic, and metal matrix composites. Surface treatments are normally recommended to facilitate processing and maximize composite properties. The fiber can also be used to form fibrous products such as high temperature insulation, filters, etc. Its resistance to chemical attack allows it to be used in harsh environments. Typical fiber properties are shown in Table 1.
- How To Use
HI-NICALON™ fiber can be incorporated as the reinforcement for a variety of ceramic composites. Standard CMC processing techniques, such as sol-gel, chemical vapor infiltration, melt infiltration, or polymer infiltration can be used, depending on the user’s needs and capabilities. Candidate matrix materials include silicon carbide, silicon nitride, alumina, glasses, and others. Fiber surface treatments are generally removed before making CMC’s, such as by heating to 600⁰C for 30 minutes. Fiber interface coatings, such as BN, are generally applied to the fiber to achieve optimum CMC properties. The specific fiber type and the specific CMC processing technique is best determined by the user.
- Application
Weaving, Braiding, and Coating As textile grade yarn, HI-NICALON™ fiber can be readily incorporated into a large variety of woven tapes, braids, etc. Specialty interface coatings such as BN (often recommended for optimum CMC mechanical properties) may be applied to the tow or cloth. A network of US contractors exists to respond to customer needs. Contact COI Ceramics to discuss specific needs and receive further information.
Properties
- Typical Properties
- Special Properties
CMC’s reinforced with HI-NICALON™ ceramic fiber offer distinct advantages over other materials. Oxide fiber and super alloys generally lose mechanical properties above 800⁰C. SiCO fiber generally loses properties above 1000⁰C. 100 micron diameter monofilament SiC fiber is generally not possible to weave
| Value | Units | Test Method / Conditions | |
| Fiber Denier | 1800 | — | — |
| Density | 2.65 | g/cc | — |
| Composition | 62:37:01 | wt % | — |
| C/Si Automic Ratio | 1.39 | — | Si:C:0 |
| Tex | 190-210 | g/km | — |
| Filament Diameter (nominal) | 14 | μm | — |
| Tensile Strength | 2.5 | GPa | — |
| Tensile Modulus | 250 | GPa | — |
| Volume Resistivity (nominal) | 3 | Ω-cm | — |
| Sizing Amount | 0.5-2.0 | wt % | — |
| Oxygen Content | max. 1.2 | wt % | — |
Technical Details & Test Data
- Standard Weave Sizes
Weave Style Yarn Count, (ends/inch), (warp x fill) Aerial Weight (g/m2 ) (nominal) 5 Harness Satin (5HS) 16 x 16 250 8 Harness Satin (8HS) 22 x 22 380
Packaging & Availability
- Available in
HI-NICALON™ ceramic fiber is available in several physical forms to offer the user application flexibility. The fiber is coated with polyvinyl alcohol (PVA) sizing for improved handling. Continuous Fiber : Supplied as multi-filament tow, spooled on 3 inch inner diameter bobbins to 550 meters in length (110 grams in weight). Also available in random lengths at a reduced price.
Woven Cloth : Available as 5HS Weave or 8HS Weave, as identified in Table 2, HI-NICALON™ cloth is typically supplied as 1 meter-wide continuous rolls of specific lengths. Other widths, weave or braid styles can be made available. Contact COI Ceramics to discuss specific needs.
- Availability And Ordering
HI-NICALON™ ceramic fiber is available exclusively in North America from COI Ceramics, Inc. For more information, contact the COI Ceramics, Magna, UT Sales & Customer Service Office at 801-251-8111.
Storage & Handling
- Limited Warranty
COI Ceramics (COIC) believes that the information contained herein is an accurate description of the typical properties and uses of the products, but it is your responsibility to test the material to determine its performance and safety for your application. COIC’s sole warranty is that the product meets current sales specs. Specification writers should contact COIC for sales specifications. COIC specifically disclaims any other express or implied warranty.