Fe2 B4 W4

semiconductor

· Fe2 B4 W4

Fe2B4W4 is an iron-tungsten boride compound belonging to the transition metal boride family, a class of ceramic-like intermetallic materials known for high hardness and thermal stability. This is a research-phase material with limited commercial deployment; compounds in this family are investigated for wear-resistant coatings, high-temperature structural applications, and cutting tool materials where extreme hardness and chemical inertness are required. Engineers would consider such boride systems as alternatives to tungsten carbide or ceramic composites in specialized high-stress, high-temperature environments where superior wear resistance justifies the material development effort.

wear-resistant coatingshigh-temperature compositescutting tool insertsresearch phase materialstransition metal boridesextreme environment applications

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	46,903.6	ksi	—
Shear Modulus(G)	25,444.4	ksi	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.02230	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.5570	eV/atom	—

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

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.

Fe2 B4 W4

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control