K2BeCo — Properties & Data | MatWorld

K2BeCo

metal

· JVASP-68054· K2BeCo

K2BeCo is a ternary intermetallic compound containing potassium, beryllium, and cobalt. This is a research-phase material rather than a production alloy; it belongs to the family of lightweight intermetallics being explored for structural and functional applications where beryllium's low density and high stiffness could offer advantages. The material's potential lies in aerospace and defense contexts where weight reduction is critical, though its development status, manufacturing challenges, and beryllium toxicity concerns during processing require careful evaluation before industrial adoption.

aerospace structures (research phase)lightweight intermetallicshigh-strength-to-weight applicationsberyllium-based composites (advanced research)defense systems (experimental)thermal management (potential)

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	2.581	kg/m³	DFT · OptB88vdW

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

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Method

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	0.000	eV	DFT · OptB88vdW
↳	0.00100	eV	DFT · TBmBJ
High-Frequency Dielectric Constant (ε∞)(ε∞)	62.12	-	DFT · TBmBJ
Magnetic Moment(μB)	0.9390	µB	DFT · OptB88vdW
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	5.840	%	DFT · TBmBJ

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.

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Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	1.227	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	1.065	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.

K2BeCo

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control