CoSiW

metal

· JVASP-144836· CoSiW

CoSiW is a cobalt-silicon-tungsten intermetallic or composite material that combines the properties of cobalt (a transition metal prized for strength and corrosion resistance) with silicon and tungsten (both known for hardness and high-temperature stability). This material family is primarily explored in research and specialized aerospace or wear-resistant applications where extreme hardness, thermal stability, and resistance to oxidation are required simultaneously. CoSiW is notable as a candidate for high-performance coatings, hard-facing, or structural components in environments where conventional superalloys or tool steels reach their limits.

wear-resistant coatingshigh-temperature structural componentstool and die applicationsthermal barrier systemsresearch phase materialsaerospace engine components

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	12.07	kg/m³	—

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	Source
Energy Above Hull(ΔEhull)	0.4827	eV/atom	—
Formation Energy(ΔHf)	-0.03451	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.

CoSiW

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control