Contact Information

1. Contact Information Bruce S. Kang Professor Mechanical & Aerospace Engineering Department West Virginia University 304-293-3111 Ext. 2316 Bruce.Kang@mail.wvu.edu Experience / Expertise • PhD in Mechanical Engineering; Dissertation topic on materials failure analyses • Recent research activities include: High temperature materials (Cr-, Mo- and Ni-alloys, fuel cell materials, and TBC) for fossil energy materials research, thin-film and micro-indentation mechanics as related to surface analysis of advanced materials, multi-scale computational material modeling analyses.

2. In-situ Surface Deformation and Temperature Measurement of SOFC Button Cell B Kang, G. Iqbal and H. Guo DOE EPSCoR project (R. Bajura, P.I., I. Celik Technical P.I.) • Thermo-mechanical Degradation • Redox / Thermal Cycle • Coal Syngas Contaminants (P.As) Effects • Monitor Surface Tenperature as a Function of Applied Current Densities • Measure Surface Deformation during long-term operation • Develop anode material durability model under thermo-mechanical and syngas contaminants effects on anode micro-structure In-situ Surface Deformation Measurement Introduction SOFC Anode Material Degradation Mechanisms Objectives Anode Durability Model λ=658 nm, Fringe sensitivity= λ/2 Button Cell Model In-situ Surface Temperature & Electrochemical Measurement Change of Slope with Pressure Cumulative Degradation Performance of SOFC Stiffness Reduction Note: surface temperature T = 800.06 oC at i= 0 A/cm2 with H2/3vol.% H2O Performance of SOFC under H2/3vol.% H2O and clean syngas IR surface Temperature of SOFC

3. Indented area Non-indented area Micro-Indentation Testing on TBC B. Kang, C.Feng, and J.M.Tannenbaum with M.A.Alvin (NETL) Accomplishments Objectives • Consistent and Reliable Young’s Modulus of measuremtn of Substrate Materials Haynes 230 (200-210 GPa) and Rene N5 (130-150 GPa). • Time Series Non Destructive Thermal Barrier Coating System Surface Stiffness Response Evaluation • Full Size Turbine Blade Coating Thickness Measurement and Profile • Construction and Demonstration of Portable Hand Held Micro Indentation Unit on Both Curved and Flat Surface Geometries • Develop Micro-Indentation Technique for Determining Mechanical Property Degradation and Debonding/Spallation of TBC Systems • Develop Mini-Portable Test Unit • Demonstrate Feasibility of Technique/Equipment on As-Manufactured and Bench-Scale Tested Commercial and NETL BC/TBC Systems • Development of a Non-Destructive Portable Test Unit for On-Site Turbine Blade TBC System Evaluation • Continued Development of High Temperature Micro Indentation System Capable of 1100  C and Above • Assess Material Stiffness Property Changes on Thermally Aged Materials: Bench-Scale Flat Coupons and Tubes; Field-Tested Materials Forward Efforts Current Focus

4. Materials-Related Facilities and Other Assets An unique solid-oxide fuel cell materials testing apparatus with in-situ cell surface temperature and deformation measurement integrated with electro-chemical measurement High temperature materials testing facilities for materials tests up to 1300 oC. A well-equipped photomechanical laboratory with lasers, extensive assorted optics, five PC-based CCD image acquisition systems with in-house developed image processing programs for defect analysis, surface mapping of high stress concentration regions, and fracture mechanics analysis. Future Research interests in the Energy-Related Materials Area • (New Materials Discovery) Development of advanced materials (such as ODS alloys) for advanced turbine applications • (Materials Performance in Application Environments) Mechanical property characterization of energy-related material systems under application environments. • Multi-scale computational modeling for predicting long-term structural durability of planar SOFCs • (Optimized Material Processing) Computational materials modeling research to understand fundamental mechanisms of material ductility/brittleness.