SiW3

metal

· SiW3

SiW₃ is an intermetallic compound combining silicon and tungsten, belonging to the family of refractory metal silicides. This material is primarily of research and specialized industrial interest, valued for applications requiring extreme hardness, high thermal stability, and wear resistance at elevated temperatures. SiW₃ and related tungsten silicides are explored in wear-resistant coatings, cutting tool applications, and high-temperature structural components where conventional alloys fail, though commercial adoption remains limited compared to established ceramic and carbide alternatives.

wear-resistant coatingshigh-temperature aerospace componentscutting and grinding toolsrefractory applicationsresearch and development materials

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.4909	lb/in³	—

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

Property	Unit	Conditions
Band Gap(Eg)2 entries	eV	—
↳	eV	—
Magnetic Moment(μB)	µB	—

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.

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Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	1.352	eV/atom	—
Formation Energy(ΔHf)	0.8900	eV/atom	—

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.

SiW3

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control