HfBeCu

metal
· JVASP-70115· HfBeCu

HfBeCu is a ternary metal alloy combining hafnium, beryllium, and copper—a research-phase composition designed to explore synergistic properties across refractory and high-strength metal systems. This material family is investigated for applications requiring simultaneous high stiffness, thermal stability, and controlled density, particularly in aerospace and defense contexts where conventional superalloys or titanium alternatives reach performance limits. The inclusion of beryllium provides exceptional strength-to-weight characteristics, while hafnium contributes refractory properties; however, beryllium toxicity during processing and material rarity make this primarily a laboratory composition for specialized high-performance applications rather than mainstream engineering use.

aerospace structureshigh-temperature componentsresearch alloysdefense applicationsthermal management systemsprototype development

Compliance & Regulations

?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
Units:
siimperial
PropertyValueUnitConditionsSource
Bulk Modulus(K)
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ksi——
Poisson's Ratio(ν)
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-——
Shear Modulus(G)
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ksi——
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Density(ρ)
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lb/in³——
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Band Gap(Eg)
—
eV——
Magnetic Moment(μB)
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µB——
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Energy Above Hull(ΔEhull)
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eV/atom——
Formation Energy(ΔHf)
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eV/atom——
Verified Unverified Low confidence (<80%) Link to source

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.