ScAl2

Name: ScAl2
Brand: MatWorld

metal

· ScAl2

ScAl2 is an intermetallic compound combining scandium and aluminum, representing a lightweight metallic material with potential structural and functional applications. While not widely established in mainstream commercial production, this scandium-aluminum intermetallic belongs to the family of high-performance metal compounds under investigation for aerospace, automotive, and advanced structural applications where low density combined with stiffness is advantageous. Engineers would consider this material where weight reduction and elastic performance are critical, though availability, cost, and processing maturity should be verified against conventional aluminum alloys or titanium alternatives for production viability.

aerospace structureslightweight compositesresearch intermetallicshigh-stiffness-to-weight applicationsadvanced materials development

Compliance & Regulations

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

Units:

si imperial

Filter by

Method

Property	Value	Unit	Conditions
Bulk Modulus(K)3 entries	12,735.1	ksi	DFT
↳	12,608.1	ksi	DFT · OptB88vdW
↳	12,735.1	ksi	DFT · PBE
Elastic Compliance Tensor(Sij)	Matrix (redacted)	1/GPa	DFT · PBE
Elastic Anisotropy(AU)	0.01374	-	DFT · PBE
Elastic Stiffness Tensor(Cij)	Matrix (redacted)	ksi	DFT · PBE
Poisson's Ratio(ν)2 entries	0.1900	-	DFT · OptB88vdW
↳	0.1878	-	DFT · PBE
Shear Modulus(G)3 entries	10,040.4	ksi	DFT
↳	9,688.5	ksi	DFT · OptB88vdW
↳	10,040.4	ksi	DFT · PBE

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
Density(ρ)	0.1085	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	0.000733	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000735	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	15.95	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	15.92	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

Filter by

Method

Property	Value	Unit	Conditions
Energy Above Hull(ΔEhull)	0.000	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)2 entries	-0.5018	eV/atom	DFT · OptB88vdW
↳	-0.4975	eV/atom	Measured

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

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.

ScAl2 — Properties & Data | MatWorld

ScAl2

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control