SiRh — Properties & Data | MatWorld

SiRh

Name: SiRh
Brand: MatWorld

ceramic

· SiRh

SiRh is a ceramic compound combining silicon and rhodium, representing an intermetallic or composite ceramic system with potential high-temperature and wear-resistant properties. While not a mainstream commercial material, SiRh belongs to the family of refractory ceramics and metal-ceramic composites studied for extreme-environment applications where conventional ceramics or metals fall short. Its density and elastic characteristics suggest potential use in applications requiring high stiffness, thermal stability, and chemical resistance, though engineers should verify availability and cost-effectiveness against established alternatives like silicon carbide or alumina-based composites.

High-temperature structural applicationsRefractory coatingsWear-resistant componentsResearch and developmentExtreme environment aerospaceChemical processing equipment

Compliance & Regulations

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

Units:

si imperial

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Method

Property	Value	Unit	Conditions
Bulk Modulus(K)3 entries	28,294.8	ksi	DFT
↳	27,992.3	ksi	DFT · OptB88vdW
↳	32,118.8	ksi	DFT · PBE
Elastic Compliance Tensor(Sij)	Matrix (redacted)	1/GPa	DFT · PBE
Elastic Anisotropy(AU)	0.06257	-	DFT · PBE
Elastic Stiffness Tensor(Cij)	Matrix (redacted)	ksi	DFT · PBE
Poisson's Ratio(ν)2 entries	0.3000	-	DFT · OptB88vdW
↳	0.3329	-	DFT · PBE
Shear Modulus(G)3 entries	13,793.8	ksi	DFT
↳	13,047.6	ksi	DFT · OptB88vdW
↳	12,079.7	ksi	DFT · PBE

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
Density(ρ)	0.2776	lb/in³	DFT · OptB88vdW

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

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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	0.00381	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00390	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	27.76	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	27.84	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.

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

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Method

Property	Value	Unit	Conditions
Energy Above Hull(ΔEhull)	0.000	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)3 entries	-0.7856	eV/atom	Measured
↳	-0.7181	eV/atom	DFT · OptB88vdW
↳	-0.7814 range -0.7856–-0.7773median of 2 measurements	eV/atom	Measured

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

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.

SiRh

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental