SiPt3

metal

· SiPt3

SiPt3 is an intermetallic compound combining silicon and platinum, belonging to the family of refractory metal silicides known for high-temperature stability and hardness. This material is primarily of research and specialized industrial interest rather than commodity use, valued in aerospace and high-temperature applications where its platinum content provides oxidation resistance and chemical inertness alongside the structural properties contributed by silicon.

high-temperature coatingsaerospace engine componentshard facing and wear protectionresearch metallurgyelectronic contacts and interconnectsoxidation-resistant composite reinforcement

Compliance & Regulations

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

Units:

si imperial

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Method

Property	Value	Unit	Conditions
Bulk Modulus(K)3 entries	29,745.8	ksi	DFT
↳	27,710.9	ksi	DFT · OptB88vdW
↳	29,745.8	ksi	DFT · PBE
Elastic Compliance Tensor(Sij)	Matrix (redacted)	1/GPa	DFT · PBE
Elastic Anisotropy(AU)	0.3936	-	DFT · PBE
Elastic Stiffness Tensor(Cij)	Matrix (redacted)	ksi	DFT · PBE
Poisson's Ratio(ν)2 entries	0.3900	-	DFT · OptB88vdW
↳	0.3672	-	DFT · PBE
Shear Modulus(G)3 entries	8,665.7	ksi	DFT
↳	6,913.9	ksi	DFT · OptB88vdW
↳	8,665.7	ksi	DFT · PBE

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
Density(ρ)	0.6004	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)	0.01240	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-0.4617	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.

SiPt3 — Properties & Data | MatWorld

SiPt3

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control