DySi2 — Properties & Data | MatWorld

DySi2

Name: DySi2
Brand: MatWorld

ceramic

· DySi2

DySi2 is a rare-earth silicide ceramic compound combining dysprosium with silicon, belonging to the family of transition metal silicides known for high-temperature stability and wear resistance. This material is primarily of research and development interest rather than widespread industrial production, with potential applications in extreme thermal environments and advanced ceramic composites where its refractory properties and chemical inertness could provide advantages over conventional oxides. Engineers consider rare-earth silicides like DySi2 when designing components that must withstand oxidation, thermal cycling, or chemical attack in demanding aerospace, power generation, or nuclear contexts.

high-temperature structural ceramicsextreme environment researchaerospace refractory applicationswear-resistant coatingsnuclear or thermal barrier studies

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	12,247	ksi	DFT · OptB88vdW
Poisson's Ratio(ν)	0.3500	-	DFT · OptB88vdW
Shear Modulus(G)	3,348.9	ksi	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	0.2263	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	0.00188	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00194	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-20.20	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	-20.67	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)	0.07590	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)2 entries	-0.4629	eV/atom	DFT · OptB88vdW
↳	-0.5659	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.

DySi2

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental