SIGRASIC® Carbon Fiber Reinforced Silicon Carbide Felt

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Description

SIGRASIC products derive their extraordinary properties from carbon fiber-reinforced silicon carbide (C/SiC) - a composite material that combines carbon fibers within a ceramic matrix to maximize the properties of both materials.

The benefits of SIGRASIC are:

Hard and ductile instead of being brittle
High resistance to most corrosive and abrasive media
Near net shape processing by in situ joining
Adjustable properties to meet specific customer requirements
High thermal-mechanical fatigue and high thermal shock resistance
High heat resistance – up to 1200 °C
Technology established within automotive serial production of brake disks

This material data has been provided by SGL Carbon.

All metrics apply to room temperature unless otherwise stated. SI units used unless otherwise stated.
Equivalent standards are similar to one or more standards provided by the supplier. Some equivalent standards may be stricter whereas others may be outside the bounds of the original standard.

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Properties

General

Property	Value	Temperature
Density	2.7 - 3 g/cm³ Show Supplier Material materials with Density of 2.7 - 3 g/cm³ at 23.0 °C	23.0 °C

Mechanical

Property	Value	Temperature
Elastic modulus	150 - 330 GPa Show Supplier Material materials with Elastic modulus of 150 - 330 GPa at 23.0 °C	23.0 °C
Flexural modulus	0.01 - 0.05 GPa Show Supplier Material materials with Flexural modulus of 0.01 - 0.05 GPa at 23.0 °C	23.0 °C
Flexural strength	130 - 350 MPa Show Supplier Material materials with Flexural strength of 130 - 350 MPa at 23.0 °C	23.0 °C

Thermal

Property	Value	Temperature	Comment
Coefficient of thermal expansion	2.9E-6 - 3.5E-6 1/K Show Supplier Material materials with Coefficient of thermal expansion of 2.9E-6 - 3.5E-6 1/K at 200.0 °C	200.0 °C
Max service temperature, inert	1400 °C Show Supplier Material materials with Max service temperature, inert of 1400 °C		in non-oxidizing environments
Thermal conductivity	110 - 160 W/(m·K) Show Supplier Material materials with Thermal conductivity of 110 - 160 W/(m·K) at 23.0 °C	23.0 °C

Technological properties

Property
Application areas	Application examples for SIGRASIC®: NASA sensor carrier designed for low weight, high precision and high stiffness; pump impeller for highly corrosive and abrasive media; (high performance) clutch disk mass produced for cars/vehicles with excellent wear and strength properties; ballistic protection with complex shaped designs and high hardness.
Other	Technical properties are customizable for individual purposes, base materials can be designed with the relevant content and type of carbon fibers.
Processing methods	C/SiC is manufactured by infiltrating a carbon fiber-reinforced carbon body with silicon. Due to near net shape processing, complex machining can be performed cost-effectively early in the process. Final ceramic grinding can be used locally when tight tolerances are required. By suitable adjustment of the material and process parameters, the product characteristics can be matched to the intended use of the SIGRASIC component.

SIGRASIC® Carbon Fiber Reinforced Silicon Carbide Felt

Description

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Applications

Materials by this supplier

Use cases

Properties