Pr5Si3

ceramic

· Pr5Si3

Pr5Si3 is an intermetallic ceramic compound composed of praseodymium and silicon, belonging to the rare-earth silicide family of materials. This is primarily a research and developmental material being investigated for high-temperature structural applications where its rare-earth constituent offers potential benefits in oxidation resistance and thermal stability. Interest in this material stems from the broader exploration of rare-earth silicides as alternatives to conventional refractory metals and ceramics in extreme environments, though commercial deployment remains limited.

High-temperature aerospace structuresOxidation-resistant coatingsRefractory applicationsMaterials research and developmentThermal barrier systemsAdvanced ceramics research

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.7006	eV/atom	—

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.

Pr5Si3

Other Properties

Regulatory Screening

Environmental