SiC/SiC CMC (Hi-Nicalon S/CVI)

Verifiedcomposite

SiC/SiC CMC (ceramic matrix composite) with Hi-Nicalon S fibers reinforced by chemical vapor infiltration (CVI) is an advanced ceramic composite that combines silicon carbide fibers within a silicon carbide matrix, engineered to retain strength and damage tolerance at extreme temperatures where monolithic ceramics fail. This material is used in aerospace propulsion (jet engine hot sections, combustor liners), industrial gas turbines, and thermal protection systems where lightweight performance and thermal cycling resistance are critical; it outperforms traditional superalloys and unreinforced ceramics by maintaining structural integrity under thermal shock and providing graceful failure modes rather than brittle fracture.

aerospace turbine bladesjet engine combustorsthermal protection systemsindustrial gas turbineshypersonic vehicle structureshigh-temperature structural applications

Compliance & Regulations

?Conflict Free?RoHS?REACH?TSCA?Prop 65

Units:

si imperial

Property OverviewNormalized to typical max values

Property	Value	Unit	Conditions
Ultimate Tensile Strength(σUTS)2 entries	310.0	MPa	20°C
↳	290.0	MPa	1000°C
Young's Modulus(E)	250.0	GPa	20°C

N entriesMultiple entries per property — large groups are collapsed; click a summary row to expand. Use filters above to narrow by form, heat treatment, basis, or test environment.

Verified Unverified Low confidence (<80%) Link to source

Property	Value	Unit	Conditions	Source
Thermal Conductivity(k)2 entries	15.00	W/(m·K)	20°C
↳	8.000	W/(m·K)	1000°C

N entriesMultiple entries per property — large groups are collapsed; click a summary row to expand. Use filters above to narrow by form, heat treatment, basis, or test environment.

Verified Unverified Low confidence (<80%) Link to source

Regulatory Screening

Environmental

RoHS, REACH, and Prop 65 statuses are validated against official substance lists (ECHA SVHC Candidate List, OEHHA Prop 65, RoHS Annex II). Other regulations are estimated from composition and material classification. All screening is a starting point for due diligence — always verify with your supplier before making compliance decisions.

SiC/SiC CMC (Hi-Nicalon S/CVI)

Mechanical Properties

Thermal Properties

Regulatory Screening

Environmental