HeAl3

metal

· JVASP-125506· HeAl3

HeAl3 is an intermetallic compound composed of helium and aluminum, representing an experimental or theoretical material in the lightweight metal family. This compound is primarily of research interest for advanced aerospace and high-performance structural applications where ultra-low density combined with intermetallic strengthening mechanisms could offer significant weight savings. As a relatively unexplored material system, HeAl3 remains in the development phase rather than mainstream industrial use, making it relevant primarily for exploratory engineering projects and materials research rather than production applications.

aerospace structures (research phase)lightweight composite matricesintermetallic researchexperimental alloy developmenthigh-performance applicationsmaterials science investigation

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	2.136	kg/m³	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.000	eV	—
Magnetic Moment(μB)	0.000	µB	—

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

Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.3243	eV/atom	—
Formation Energy(ΔHf)	0.3206	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.

HeAl3

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control