USA flag logo/image

An Official Website of the United States Government

Functionally Graded Tungsten-Copper Composites for Plasma Facing Components

Award Information

Department of Energy
Award ID:
Program Year/Program:
2009 / SBIR
Agency Tracking Number:
Solicitation Year:
Solicitation Topic Code:
Solicitation Number:
Small Business Information
NEI Corporation
400 E Apgar Drive Somerset, NJ 08873-
View profile »
Woman-Owned: No
Minority-Owned: No
HUBZone-Owned: No
Phase 1
Fiscal Year: 2009
Title: Functionally Graded Tungsten-Copper Composites for Plasma Facing Components
Agency: DOE
Contract: DE-FG02-09ER85263
Award Amount: $99,772.00


Refractory metals such as tungsten are being considered for use as plasma facing components (PFCs) in fusion power reactors. Due to the enormous heat generated in the system, the refractory metal needs to be bonded to a heat sink, such as a copper alloy. Conventional materials processing leads to a sharp interface between the refractory metal and the heat sink. The thermal stress at the sharp interface negatively impacts the thermal shock resistance, the deformation characteristics, and the creep properties. Accordingly, this project will demonstrate the feasibility of generating a functionally graded interface, with a smooth transition between the plasma facing side of the heat shield (which is 100% tungsten) and the back side (which is 100% copper). Phase I will focus on demonstrating the enhanced mechanical properties of such a functionally graded material. In Phase II, prototype components will be fabricated and tested under typical use conditions. Commercial Applications and other Benefits as described by the awardeeSince fusion power is a potentially sustainable energy source, extensive global research and development work is underway to develop new materials in order to realize the benefits of fusion energy. The materials developed in this program are anticipated to be used as the first wall in a fusion reactor. Additional applications include cutting tools and specialty heat exchangers.

Principal Investigator:

Mohit Jain

Business Contact:

Ganesh Skandan
Small Business Information at Submission:

Nei Corporation
400 Apgar Drive Suite E Somerset, NJ 08873

EIN/Tax ID: 223568329
Number of Employees:
Woman-Owned: No
Minority-Owned: No
HUBZone-Owned: No