YCuSn

metal

· YCuSn

YCuSn is an intermetallic compound combining yttrium, copper, and tin, representing a specialized alloy system studied primarily in materials research rather than established industrial production. This material belongs to the rare-earth intermetallic family and is of interest for its potential mechanical properties and thermal stability, though it remains largely experimental. Applications are being explored in specialized thermal management, electronic packaging, and high-performance structural applications where the combination of rare-earth strengthening and copper-tin metallurgical heritage offers potential advantages over conventional brasses or copper alloys.

intermetallic research compoundsthermal management systemshigh-temperature structural applicationselectronic packaging materialsrare-earth alloy developmentexperimental aerospace/automotive components

Compliance & Regulations

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

Units:

si imperial

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Method

Property	Value	Unit	Conditions
Bulk Modulus(K)3 entries	10,996.8	ksi	DFT
↳	11,655.2	ksi	DFT · OptB88vdW
↳	10,996.8	ksi	DFT · PBE
Elastic Compliance Tensor(Sij)	Matrix (redacted)	1/GPa	DFT · PBE
Elastic Anisotropy(AU)	0.1561	-	DFT · PBE
Elastic Stiffness Tensor(Cij)	Matrix (redacted)	ksi	DFT · PBE
Poisson's Ratio(ν)2 entries	0.2300	-	DFT · OptB88vdW
↳	0.2216	-	DFT · PBE
Shear Modulus(G)3 entries	7,519	ksi	DFT
↳	7,653.6	ksi	DFT · OptB88vdW
↳	7,519	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)	0.2500	lb/in³	DFT · OptB88vdW

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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	0.000629	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000556	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-28.24	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	-26.09	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)	-0.6513	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.

YCuSn — Properties & Data | MatWorld

YCuSn

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

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