P3Ir — Properties & Data | MatWorld

P3Ir

ceramic

· P3Ir

P3Ir is an intermetallic ceramic compound combining iridium with a transition metal in a cubic crystal structure, representing a high-performance ceramic material class valued for extreme environments. This material is primarily investigated for aerospace and high-temperature applications where exceptional stiffness and thermal stability are required, such as in engine components and structural supports operating under severe thermal and mechanical loads. P3Ir compounds are notable for their combination of ceramic hardness with metallic-like elastic properties, making them candidates for applications where conventional ceramics or superalloys reach their performance limits.

high-temperature engine componentsaerospace structural applicationsthermal barrier systemswear-resistant coatingsresearch phase materialsextreme environment applications

Compliance & Regulations

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

Units:

si imperial

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Method

Property	Value	Unit	Conditions
Bulk Modulus(K)2 entries	24,714.7	ksi	DFT
↳	23,950.1	ksi	DFT · OptB88vdW
Poisson's Ratio(ν)	0.2200	-	DFT · OptB88vdW
Shear Modulus(G)2 entries	16,504.4	ksi	DFT
↳	16,554.6	ksi	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
Density(ρ)	0.2559	lb/in³	DFT · OptB88vdW

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

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Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)	0.2250	eV	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)	14.71	-	DFT · OptB88vdW
Electron Effective Mass(m*e)	0.01000	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	0.01000	me	DFT · OptB88vdW · 27°C
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.00224	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000285	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-309.6	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	51.71	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)	0.000	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-0.6284	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.

P3Ir

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental