TmSi2

ceramic

· TmSi2

TmSi2 is a rare-earth silicide ceramic compound combining thulium with silicon, belonging to the family of refractory intermetallic ceramics. This material is primarily of research and specialized aerospace interest, investigated for high-temperature structural applications where thermal stability and hardness are critical; rare-earth silicides are candidates for next-generation engine components and thermal protection systems, though production remains limited and cost-prohibitive for most commercial applications.

high-temperature aerospace structuresexperimental thermal protection systemsrefractory applicationsresearch ceramicsadvanced propulsion components

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	12,381.9	ksi	—
Shear Modulus(G)	3,042.9	ksi	—

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

Property	Value	Unit	Conditions	Source
Density(ρ)	0.2397	lb/in³	—

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

Property	Value	Unit	Conditions
Band Gap(Eg)	0.000	eV	—
Magnetic Moment(μB)	0.000	µB	—
Seebeck Coefficient(S)	-8.127	µV/K	—

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

Property	Value	Unit	Conditions
Energy Above Hull(ΔEhull)	0.1221	eV/atom	—
Formation Energy(ΔHf)2 entries	-0.6726	eV/atom	—
↳	-0.4055	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, or test environment.

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.

TmSi2

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental