HoCrB4

metal

· JVASP-112962· HoCrB4

HoCrB4 is a holmium-chromium boride ceramic compound belonging to the boride materials family, characterized by high hardness and thermal stability from its boron-metal matrix structure. This material is primarily investigated in research contexts for applications requiring extreme wear resistance and high-temperature performance, with potential relevance to advanced tool coatings, refractory applications, and specialty engineering ceramics where conventional hard materials reach their limits.

hard coatings and wear resistancehigh-temperature refractory applicationscutting tool materials researchextreme environment ceramicsmaterials science experimentation

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.2693	lb/in³	DFT · OptB88vdW

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

Property	Value	Unit	Conditions
Band Gap(Eg)	0.2670	eV	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)	41.58	-	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)	0.000	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-0.6950	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.

HoCrB4 — Properties & Data | MatWorld

HoCrB4

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control