Si3Ru — Properties & Data | MatWorld

Si3Ru

ceramic

· JVASP-37224· Si3Ru

Si₃Ru is an intermetallic ceramic compound combining silicon with ruthenium, belonging to the class of refractory ceramics and high-temperature compounds. This material is primarily of research and developmental interest rather than a widespread commercial ceramic, being investigated for extreme-environment applications where both chemical stability and mechanical performance are critical. Si₃Ru and related transition-metal silicides are studied as candidate materials for aerospace and nuclear applications due to their potential for high-temperature strength retention, oxidation resistance, and thermal conductivity properties that exceed conventional monolithic ceramics.

high-temperature aerospace componentsnuclear reactor materialsrefractory applicationsoxidation-resistant coatingsresearch/development phase

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	20,087.7	ksi	DFT · OptB88vdW
Poisson's Ratio(ν)	0.4100	-	DFT · OptB88vdW
Shear Modulus(G)	3,950.8	ksi	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	0.1977	lb/in³	DFT · OptB88vdW

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

Filter by

Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	0.000	eV	DFT · OptB88vdW
↳	0.000	eV	DFT · TBmBJ
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000414	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000261	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-9.290	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	-7.390	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°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.

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Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.6367	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	0.3290	eV/atom	DFT · OptB88vdW

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

Reference data from cited sources. Not verified or certified by MatWorld Inc. Verify against the source before use in design. Terms: engineering data

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.

Si3Ru

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental