Mg4Si7 — Properties & Data | MatWorld

Mg4Si7

ceramic

· JVASP-140667· Mg4Si7

Mg₄Si₇ is an intermetallic ceramic compound belonging to the magnesium silicide family, formed through the combination of magnesium and silicon elements. This material is primarily of research and development interest rather than widespread industrial production, with potential applications in lightweight composite reinforcement and high-temperature structural applications where magnesium-based ceramics offer advantages in specific thermal or mechanical environments. Engineers would consider this compound in specialized aerospace or automotive contexts where the low-density ceramic properties of magnesium silicides could contribute to weight reduction, though material availability and processing maturity typically limit its adoption compared to established alternatives like alumina or silicon carbide.

lightweight composite reinforcementhigh-temperature ceramics researchaerospace structural materialsmagnesium-based intermetallicsexperimental ceramic compounds

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.08577	lb/in³	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.000	eV	DFT · OptB88vdW
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.2362	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	0.1176	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.

Mg4Si7

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental