V5Si3

Name: V5Si3
Brand: MatWorld

metal

· V5Si3

V5Si3 is a vanadium silicide intermetallic compound belonging to the refractory metal silicide family, valued for its exceptional high-temperature strength and oxidation resistance. This material is primarily investigated for ultra-high-temperature aerospace applications such as turbine engines, hypersonic vehicle structures, and thermal protection systems where conventional superalloys reach their performance limits. V5Si3 represents an emerging class of materials rather than a widely commercialized product; its potential lies in enabling operation at temperatures significantly above current nickel-based superalloys while maintaining structural integrity, though manufacturing, brittle-to-ductile transition, and cost remain active research challenges.

turbine blades and vaneshypersonic aircraft structuresrocket engine componentsthermal protection systemshigh-temperature coatingsaerospace research and development

Compliance & Regulations

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

Units:

si imperial

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Method

Property	Value	Unit	Conditions
Bulk Modulus(K)2 entries	26,642.6	ksi	DFT
↳	28,102.4	ksi	DFT · PBE
Elastic Compliance Tensor(Sij)	Matrix (redacted)	1/GPa	DFT · PBE
Elastic Anisotropy(AU)	0.1708	-	DFT · PBE
Elastic Stiffness Tensor(Cij)	Matrix (redacted)	ksi	DFT · PBE
Poisson's Ratio(ν)	0.2435	-	DFT · PBE
Shear Modulus(G)2 entries	8,232.7	ksi	DFT
↳	17,391.9	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

Property	Value	Unit	Conditions	Source
Density(ρ)	0.1901	lb/in³	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.000	eV	DFT · OptB88vdW
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW

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

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Method

Property	Value	Unit	Conditions
Energy Above Hull(ΔEhull)	0.06530	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)2 entries	-0.4366	eV/atom	DFT · OptB88vdW
↳	-0.6115	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

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.

V5Si3 — Properties & Data | MatWorld

V5Si3

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

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