HfPt — Properties & Data | MatWorld

HfPt

Name: HfPt
Brand: MatWorld

metal

· HfPt

HfPt is an intermetallic compound combining hafnium and platinum, belonging to the family of refractory metal alloys designed for extreme-temperature applications. This material is primarily of research and specialized industrial interest, valued for its combination of high melting point, density, and elastic stiffness—properties inherited from both constituent elements. While not yet widely commoditized, HfPt and similar hafnium-platinum systems are investigated for aerospace, nuclear, and high-temperature structural applications where conventional superalloys reach their limits.

high-temperature structural applicationsaerospace propulsion systemsnuclear reactor componentsrefractory coatingsresearch and development materialsextreme-environment engineering

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	26,801.8	ksi	DFT
↳	27,082.9	ksi	DFT · OptB88vdW
↳	26,801.8	ksi	DFT · PBE
Elastic Compliance Tensor(Sij)	Matrix (redacted)	1/GPa	DFT · PBE
Elastic Anisotropy(AU)	1.299	-	DFT · PBE
Elastic Stiffness Tensor(Cij)	Matrix (redacted)	ksi	DFT · PBE
Poisson's Ratio(ν)2 entries	0.3600	-	DFT · OptB88vdW
↳	0.4197	-	DFT · PBE
Shear Modulus(G)3 entries	4,548.8	ksi	DFT
↳	9,822	ksi	DFT · OptB88vdW
↳	4,548.8	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.

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Property	Value	Unit	Conditions	Source
Density(ρ)	0.5953	lb/in³	DFT · OptB88vdW

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Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)3 entries	0.000	eV	DFT · OptB88vdW
↳	0.000	eV	DFT · TBmBJ
↳	0.000	eV	Measured
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000638	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000608	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	0.7900	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.7233	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C

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

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Method

Property	Value	Unit	Conditions
Energy Above Hull(ΔEhull)	0.000	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)2 entries	-1.182	eV/atom	DFT · OptB88vdW
↳	-1.178	eV/atom	Measured

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

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.

HfPt

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