Dy5Si3

ceramic
· Dy5Si3

Dy₅Si₃ is an intermetallic ceramic compound combining dysprosium (a rare-earth element) with silicon, belonging to the family of rare-earth silicides. This material is primarily of research and developmental interest rather than established in high-volume production, investigated for applications requiring thermal stability and refractory performance at elevated temperatures. Engineers consider this compound for specialized high-temperature structural applications where rare-earth silicides offer oxidation resistance and thermal shock tolerance beyond conventional ceramics.

high-temperature structural ceramicsrefractory applicationsthermal barrier coatings researchaerospace engine componentsoxidation-resistant materials

Compliance & Regulations

?Conflict Free?RoHS?REACH?TSCA?Prop 65
PropertyValueUnitConditionsSource
Bulk Modulus(K)
11,225.9
ksi
Poisson's Ratio(ν)
0.2200
-
Shear Modulus(G)
7,826.2
ksi
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Density(ρ)
0.2752
lb/in³
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Band Gap(Eg)
0.000
eV
Magnetic Moment(μB)
0.000
µB
Seebeck Coefficient(S)
-40.77
µV/K
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Energy Above Hull(ΔEhull)
0.000
eV/atom
Formation Energy(ΔHf)2 entries
-0.6633
eV/atom
-0.6847
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.
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.
Dy5Si3 — Properties & Data | MatWorld