Mg7Si — Properties & Data | MatWorld

Mg7Si

ceramic

· JVASP-91892· Mg7Si

Mg7Si is an intermetallic ceramic compound from the magnesium-silicon system, representing a lightweight ceramic phase that forms in Mg-Si alloy systems. This material is primarily of research and academic interest rather than a mature commercial product, with potential applications in lightweight composite reinforcement and high-temperature ceramic matrices where magnesium-based compounds are investigated for their low density and thermal properties.

experimental compositeslightweight structural ceramicsmagnesium alloy reinforcementresearch phase materialsthermal barrier coatings (exploratory)aerospace materials development

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	1.935	kg/m³	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)	0.1177	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	0.03760	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.

Mg7Si

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental