KBeSi — Properties & Data | MatWorld

KBeSi

ceramic

· JVASP-71315· KBeSi

KBeSi is an experimental ceramic compound combining potassium, beryllium, and silicon—a relatively uncommon composition that sits at the intersection of lightweight silicate chemistry and beryllium-containing materials research. This material belongs to the family of advanced ceramics and is primarily of research interest rather than established industrial production, with potential applications in specialized high-performance environments where thermal stability, low density, and chemical resistance are valued. Engineers would consider KBeSi in niche aerospace or nuclear contexts where the combination of light weight and ceramic durability could offer advantages, though its practical viability depends on synthesis scalability, toxicological handling of beryllium, and cost-effectiveness relative to established alternatives like alumina or silicon carbide.

experimental aerospace componentsnuclear thermal applicationslightweight structural ceramicsresearch and developmenthigh-temperature insulationspecialized refractory use

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	15.95	ksi	DFT · OptB88vdW
Poisson's Ratio(ν)	0.2500	-	DFT · OptB88vdW
Shear Modulus(G)	10.15	ksi	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	0.06434	lb/in³	DFT · OptB88vdW

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

Filter by

Method

Property	Unit	Conditions
Band Gap(Eg)2 entries	eV	DFT · OptB88vdW
↳	eV	DFT · TBmBJ
Magnetic Moment(μB)	µB	DFT · OptB88vdW

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)	0.2041	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	0.1997	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

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.

KBeSi

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental