Si4Rh3

ceramic

· Si4Rh3

Si₄Rh₃ is an intermetallic ceramic compound combining silicon and rhodium, belonging to the family of refractory intermetallics used in high-temperature structural applications. This material is primarily of research and developmental interest rather than established commercial production, investigated for aerospace and high-heat applications where its combination of ceramic hardness and metallic bonding characteristics may offer advantages over traditional monolithic ceramics or superalloys. Engineers would consider this material for environments demanding exceptional thermal stability and structural rigidity at elevated temperatures, though current use remains limited to specialized research programs and prototype development.

High-temperature structural compositesAerospace engine componentsRefractory applicationsResearch/prototype developmentThermal barrier materialsAdvanced ceramics

Compliance & Regulations

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

Units:

si imperial

Filter by

Method

Property	Value	Unit	Conditions
Bulk Modulus(K)2 entries	26,046	ksi	DFT
↳	26,046	ksi	DFT · PBE
Elastic Compliance Tensor(Sij)	Matrix (redacted)	1/GPa	DFT · PBE
Elastic Anisotropy(AU)	0.2211	-	DFT · PBE
Elastic Stiffness Tensor(Cij)	Matrix (redacted)	ksi	DFT · PBE
Poisson's Ratio(ν)	0.2888	-	DFT · PBE
Shear Modulus(G)2 entries	12,804	ksi	DFT
↳	12,804	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

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.

Si4Rh3 — Properties & Data | MatWorld

Si4Rh3

Mechanical Properties

Regulatory Screening

Environmental