AlCo2Si2

Name: AlCo2Si2
Brand: MatWorld

metal

· JVASP-15840· AlCo2Si2

AlCo2Si2 is an intermetallic compound belonging to the aluminum-cobalt-silicon family, a class of ordered metallic materials combining lightweight aluminum with cobalt and silicon for enhanced strength and stiffness. While primarily a research-phase material rather than a commodity alloy, AlCo2Si2 and related ternary intermetallics are investigated for high-temperature structural applications where conventional aluminum alloys lose strength, and where the density advantage over superalloys matters. Engineers consider such materials for weight-critical aerospace or automotive components operating at elevated temperatures, though development focus remains on understanding phase stability, processing routes, and brittleness mitigation.

high-temperature aerospace structureslightweight structural intermetallicsresearch and developmentgravity-sensitive applicationselevated-temperature automotive componentsadvanced materials evaluation

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	25,180	ksi	DFT · OptB88vdW
Poisson's Ratio(ν)	0.2700	-	DFT · OptB88vdW
Shear Modulus(G)	13,626.3	ksi	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	0.1927	lb/in³	DFT · OptB88vdW

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

Filter by

Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	0.000	eV	DFT · OptB88vdW
↳	0.000	eV	DFT · TBmBJ
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000104	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.0000981	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	5.220	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	5.037	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.

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

Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.000	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-0.4790	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.

AlCo2Si2 — Properties & Data | MatWorld

AlCo2Si2

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control