ThCo9Si2 — Properties & Data | MatWorld

ThCo9Si2

metal

· JVASP-22918· ThCo9Si2

ThCo9Si2 is an intermetallic compound in the thorium-cobalt-silicon system, representing a research-phase material combining refractory metal properties with intermetallic strengthening characteristics. This material family is primarily explored in academic and specialized metallurgical research contexts for high-temperature structural applications where conventional superalloys reach thermal limits, though industrial adoption remains limited due to processing complexity and material scarcity. Engineers would consider such materials when designing components requiring exceptional thermal stability combined with low-temperature ductility in niche aerospace or advanced reactor applications where cost and availability constraints are secondary to performance.

high-temperature structural researchrefractory metal alloysintermetallic compoundsnuclear reactor materialsaerospace thermal applicationsexperimental metallurgy

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.3348	lb/in³	DFT · OptB88vdW

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Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)	0.000	eV	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.0000901	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.0000915	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-12.70	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	-12.81	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.

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Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.02140	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-0.3014	eV/atom	DFT · OptB88vdW

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.

ThCo9Si2

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

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