HfPt3 — Properties & Data | MatWorld

HfPt3

metal

· HfPt3

HfPt3 is an intermetallic compound combining hafnium and platinum in a 1:3 stoichiometric ratio, forming a metallic phase with high density and significant stiffness. This material belongs to the class of refractory intermetallics and is primarily of research and developmental interest rather than established in high-volume production. The hafnium-platinum system is investigated for potential applications requiring extreme temperature stability, corrosion resistance, and high mechanical stiffness, particularly in aerospace and high-temperature structural applications where conventional superalloys reach their operational limits.

high-temperature structural componentsaerospace engine componentsrefractory intermetallic researchcorrosion-resistant coatingsextreme environment materials developmentmaterials research and characterization

Compliance & Regulations

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

Units:

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Method

Property	Value	Unit	Conditions
Bulk Modulus(K)2 entries	232.9	GPa	DFT
↳	232.9	GPa	DFT · PBE
Elastic Compliance Tensor(Sij)	Matrix (redacted)	1/GPa	DFT · PBE
Elastic Anisotropy(AU)	0.07865	-	DFT · PBE
Elastic Stiffness Tensor(Cij)	Matrix (redacted)	Pa	DFT · PBE
Poisson's Ratio(ν)	0.3027	-	DFT · PBE
Shear Modulus(G)2 entries	105.8	GPa	DFT
↳	105.8	GPa	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.

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Property	Value	Unit	Conditions	Source
Density(ρ)	19.35	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)	0.01240	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-1.103	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

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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.

HfPt3

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

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