Zr5Si3

metal

· Zr5Si3

Zr5Si3 is an intermetallic compound in the zirconium-silicon system, belonging to a family of high-temperature materials with ceramic-like properties despite its metallic classification. This material is primarily of research and development interest for aerospace and high-temperature structural applications, where its combination of refractory characteristics and metallic bonding offers potential advantages in extreme temperature environments compared to conventional superalloys or monolithic ceramics.

high-temperature structural componentsaerospace engine applicationsrefractory compositesmaterials researchelevated-temperature coatings

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.2095	lb/in³	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.000	eV	—
Magnetic Moment(μB)	0.000	µB	—

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

Property	Value	Unit	Conditions
Energy Above Hull(ΔEhull)	0.01610	eV/atom	—
Formation Energy(ΔHf)2 entries	-0.7431	eV/atom	—
↳	-0.7933	eV/atom	—

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

Export Control

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.

Zr5Si3

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control