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Arkema PEKK
COI Ceramics Nicalon™ HI SiC Low O Ceramic Fiber
Categories: Ceramic; Carbide

Material Notes: Description: Manufactured near-oxygen-free using electron-beam curing. The fiber is homogeneously composed of ultrafine beta-SiC crystallites and carbon. The fiber has excellent strength and modulus properties. HI-Nicalon™ is highly resistant to oxidation and chemical attack and is available in a variety of product forms, depending on the intended use.The fiber is coated with polyvinyl alcohol (PVA) sizing for improved handling.

Special Properties: CMC’s reinforced with HI-Nicalon™ ceramic fiber offers distinct advantages over other materials. Oxide fiber and superalloys generally lose mechanical properties above 800C. SiCO fiber generally loses properties above 1000C. 100 micron diameter monofilament SiC fiber is generally not weavable. HI-Nicalon™ ceramic fiber overcomes these drawbacks.

Product Forms:
Continuous Fiber: Supplied as multi-filament tow, spooled on 3 inch ID bobbins to 500 meters in length (100 grams in weight). Also available in random lengths at a reduced price.
Woven Cloth: Available as Plain Weave, 5HS Weave or 8HS Weave, 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.
Chopped Fiber: Available as 1-mm length chopped multi-filament tow. Longer lengths also available.

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.

Information from COI Ceramics, Inc.

Vendors:
Available Properties
  • Density
  • Filament Diameter
  • Fiber Count
  • Tensile Strength
  • Tensile Modulus
  • Volume Resistivity
  • CTE, linear
  • Specific Heat Capacity
  • Specific Heat Capacity
  • Thermal Conductivity
  • Thermal Conductivity
  • Maximum Service Temperature, Air
  • Carbon, C
  • Oxygen, O
  • Silicon, Si
  
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Ensinger PEI
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