Novel Surface Modification Method for Ultrasupercritical Coal-Fired Boilers

Award Information
Agency:
Department of Energy
Branch
n/a
Amount:
$750,000.00
Award Year:
2007
Program:
SBIR
Phase:
Phase II
Contract:
DE-FG02-06ER84604
Award Id:
81006
Agency Tracking Number:
80532S06-I
Solicitation Year:
n/a
Solicitation Topic Code:
n/a
Solicitation Number:
n/a
Small Business Information
Inframat Corporation (Currently INFRAMAT CORP)
74 Batterson Park Road, Farmington, CT, 06032
Hubzone Owned:
N
Minority Owned:
N
Woman Owned:
N
Duns:
003014153
Principal Investigator:
Xinqing Ma
Dr
(860) 486-2358
info@inframat.com
Business Contact:
Janet Sarin
Ms
(860) 487-3838
jsarin@inframat.com
Research Institution:
n/a
Abstract
The efficiency of conventional pulverized coal power plant cycles is strongly related to operating temperature and pressure. Ultrasupercritical (USC) coal-fired boilers are being developed to operate with higher steam temperatures and steam pressures. However, the increasing temperatures and corrosive environment cause more severe oxidation and corrosion in USC boiler components. New surface modification technology is needed to solve the corrosion problem. This project will develop an innovative process for forming an ultrafine-grained alloy coating at a competitive cost and will optimize coating materials and structures for high-temperature corrosion and erosion resistance. Phase I demonstrated a process that is capable of producing a superior coating with nanometer grains, high adherence, and full density. Extensive experimental tests were performed to evaluate coating performance under corrosion and erosion conditions, and promising coating systems were identified. Phase II will demonstrate an improved, optimized manufacturing process, evaluate coating characteristics, and determine long-term exposure properties in simulated boiler environments and in field testing. Commercial Applications and Other Benefits as described by the awardeee: Potential applications include supercritical and ultrasupercritical boiler components, coal gasification systems, solid oxide fuel cell systems, hot-section components of steam turbines, land-based gas turbine engines and aerocraft engines, and other industry components involved in oxidation and corrosion at elevated temperatures.

* information listed above is at the time of submission.

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