HfSiPt — Properties & Data | MatWorld

HfSiPt

Name: HfSiPt
Brand: MatWorld

metal

· HfSiPt

HfSiPt is a ternary intermetallic compound combining hafnium, silicon, and platinum—a research-phase material belonging to the family of refractory metal silicides and platinides. This material class is investigated for high-temperature structural applications where conventional superalloys reach their thermal limits, with platinum addition enhancing oxidation resistance and thermal stability. While not yet commercially established at scale, HfSiPt represents the cutting edge of ultra-high-temperature material development for aerospace and power generation environments.

high-temperature aerospace structuresadvanced turbine componentsnext-generation thermal barrier systemsrefractory coatings researchextreme environment applicationsmaterials science development

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	27,868.4	ksi	DFT
↳	21,635.3	ksi	DFT · OptB88vdW
↳	27,868.4	ksi	DFT · PBE
Elastic Compliance Tensor(Sij)	Matrix (redacted)	1/GPa	DFT · PBE
Elastic Anisotropy(AU)	0.1130	-	DFT · PBE
Elastic Stiffness Tensor(Cij)	Matrix (redacted)	ksi	DFT · PBE
Poisson's Ratio(ν)2 entries	0.2900	-	DFT · OptB88vdW
↳	0.2765	-	DFT · PBE
Shear Modulus(G)3 entries	14,638.9	ksi	DFT
↳	371.3	ksi	DFT · OptB88vdW
↳	14,638.9	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)	0.4374	lb/in³	DFT · OptB88vdW

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

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Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	0.000	eV	DFT · OptB88vdW
↳	0.000	eV	Measured
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000494	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000673	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-4.030	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	27.74	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

Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.4711	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-0.5622	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.

HfSiPt

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

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