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Tech Licensing Opportunity: Synthesis of Tungsten Tetraboride (WB4) by Electric Field Assisted Sintering (EFAS)

Closed

BA-1537Federal

Submission Closed08/01/2026, 03:00:00 PM UTC

Contract Overview

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AI Contract Overview

A novel method for synthesizing tungsten tetraboride (WB4) using Electric Field Assisted Sintering (EFAS) offers a breakthrough in producing a material with superior hardness, thermal conductivity, and radiation resistance. Traditional synthesis techniques, such as arc melting, have historically yielded impure phases and inconsistent quality due to uncontrolled melting and phase degradation. EFAS overcomes these limitations by enabling precise, non-melting sintering that preserves the desired WB4 crystal structure, significantly enhancing material purity and achieving hardness levels near theoretical maximums. This advancement allows for scalable production of custom-sized samples up to 12-inch discs while reducing reliance on costly raw materials and complex processing, making it a cost-effective solution for high-performance applications. The technology demonstrates exceptional suitability for extreme environments, particularly in nuclear systems where neutron absorption and thermal stability are critical. The innovation addresses long-standing challenges in industrial machining, defense armor, and nuclear safety by enabling stronger, lighter, and more durable components. It unlocks new possibilities for machining tools in aerospace and automotive sectors, next-generation ballistic protection systems, and enhanced reactor components that improve safety and longevity. Currently at Technology Readiness Level 3, the method is protected under US Provisional Patent Application No. 63/643,127 and is being offered for licensing by the Department of Energy through Battelle Energy Alliance. Interested parties are invited to engage under flexible licensing terms designed to support commercialization by industry partners capable of scaling the technology. The opportunity remains open for proposals until August 1, 2026, with all inquiries and contractual discussions to be directed through the Technology Deployment office at INL. Any commercial engagement requires external capability to advance the technology beyond its current development stage, as the government does not provide funding, manufacturing support, or procurement services.

General Info

Novel EFAS method synthesizes pure, superhard WB4 for thermal, radiation-resistant industrial applications.

Agency

Department Of Energy → Battelle Energy Alliance–doe Cntr

NAICS

333248 - All Other Industrial Machinery Manufacturing

Place of Performance

Idaho Falls, ID, 83415, USA

Set-Aside

NONE

Documents

No documents available

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Timeline

4 updates

PhaseClosed

PostedJul 1

special-notice

Notice updatedOct 31

The notice description changed.

Deadline changedSep 16

Response deadline changed from Jul 1, 2025 to Nov 1, 2025.

Notice updatedMar 4

Response deadline changed from Nov 1, 2025 to May 1, 2026. The notice description changed. The point of contact changed.

Deadline changedJun 17

Response deadline changed from May 1, 2026 to Aug 1, 2026.

Response DeadlineAug 1

Deadline has passed

Submission Closed

08/01/2026, 03:00:00 PM UTC

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Organization & Contact Information

AgencyDepartment Of Energy → Battelle Energy Alliance–doe Cntr

Contacts1 person available

OfficeIdaho Falls, ID, 83415, USA

Organization / AgencyDepartment Of Energy → Battelle Energy Alliance–doe Cntr

Office AddressIdaho Falls, ID, 83415, USA

Contacts

Andrew Rankin

contact@example.gov

Full Description

Synthesis of Tungsten Tetraboride (WB4) by Electric Field Assisted Sintering (EFAS)

A novel method for synthesizing tungsten tetraboride (WB4), a material with exceptional hardness and thermal properties, using Electric Field Assisted Sintering (EFAS).

The Challenge:

In the pursuit of materials with exceptional hardness and thermal conductivity, tungsten tetraboride (WB4) has been considered a compelling candidate since the 1960s. Renowned for its potential in enhancing cutting tools, armor, and nuclear reactors, WB4's synthesis has been limited by technological constraints, yielding products often inferior to their theoretical capabilities. Enter Electric Field Assisted Sintering (EFAS) – a modern technique set to revolutionize WB4 production by maintaining precise conditions necessary for optimal material characteristics.

How it Works:

Electric Field Assisted Sintering (EFAS) introduces a sophisticated approach to WB4 synthesis, surpassing traditional methods like arc melting which often resulted in impurities and unwanted phases such as WB2. Unlike previous techniques, EFAS employs controlled sintering temperatures and accurate atomic ratios without the need to melt the components, thereby preserving the desired WB4 phase and preventing degradation in material hardness. This process has been demonstrated to produce WB4 samples with hardness approaching theoritical maximum by controlling the granular composition and phase outcomes efficiently.

Key Advantages:

Enhanced Material Quality: By avoiding the melting process, EFAS ensures the production of WB4 with minimal impurities and maximum hardness.
Scalability: The method is scalable, capable of producing larger batches and custom sizes (up to 12" discs), which was previously unachievable.
Cost-Effectiveness: Utilizes less expensive raw materials and optimizes the synthesis process, reducing overall production costs.
Radiation Resistance: Uniquely suitable for nuclear applications due to its neutron absorption capabilities and resistance to high-temperature degradation.

Problems Solved

Inconsistent synthesis quality and low yield of WB4 using traditional methods
High cost and complexity of large-scale production of materials with similar properties
Lack of cost-effective and efficient materials for extreme thermal environments and radiation shielding

Market Applications

Industrial Machining: Enhance the longevity and performance of machining tools used in automotive and aerospace manufacturing.
Defense and Ballistic Protection: Imagine lighter, more effective armor that provides enhanced protection against various threats.
Nuclear Safety: Boost the safety and efficiency of nuclear reactors, contributing to sustainable and safer energy solutions.

Development Status: TRL 3

US Provisional Patent Application No. 63/643,127, “METHODS OF FORMING REFRACTORY METAL BORIDES BY ELECTRIC FIELD ASSISTED SINTERING (EFAS),” BEA Docket No. BA-1537

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