1 / 4

Contact Information

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

zilya
Download Presentation

Contact Information

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript


  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.

More Related