Bernie is the coordinator for new projects at Mohawk Metallurgical Associates. Please contact him directly at BRose18233@aol.com.
Bernie has extensive expertise in advnaced metalurgical processing including:
Diffusion coatings including VPA and VPCr and pack cementation, Thermal sprayed coatings icluding APS and HVOF, braze repair of, Fluoride Ion Cleaning (FIC), ceramics, chemical processing including chemical cleaning and electropolishing, high temperature materials and processes, and failure analysis.
Bernie Rose - Background & Experience
40 years experience in metallurgical engineering, materials applications, high temperature metallurgy, hot corrosion and hot oxidation mitigation by development of diffusion coatings.
25 years as Process Metallurgist, Chief Metallurgist, Technical Director of a leading coatings and repair supplier, Walbar Metals Division of Coltec Industries now Goodrich Turbine Support
15 years as an independent Metallurgical Consultant. Clients include as Pratt & Whitney Canada Component Repair, Hickam Industries, Exxon Mobil, Liburdi Engineering, Sermatech International, General Electric Power Systems and Energy Services, AAR Corporation-Power Services and Container Systems, Blades Technology (Israel) ATLA (Italy), SNECMA (France) and TurboCare (NC)
Areas of Expertise
Coatings Development and Production; includes pack cementation, Vapor Phase Aluminides and Chromides, Pt, Pd, and Cr modified aluminides, CVD, MCrAlY application by HVOF and LPPS, PVD of wear-resistant Coatings. Four patents in this area.
Project Technical management for large-scale production of various diffusion coatings...aluminides, chromides, Pt and Cr modified aluminides, Pt and Pd modified silicon aluminides; project management for repair and refurbishment task groups, both aeroderivative, and IGT.
High temperature braze repair; Transient Liquid Phase braze process development and commercial application; Development and production of wide gap braze repair techniques.
Chemical cleaning and coating removal by aqueous methods; Reverse plating (Electrocleaning) and Electropolishing (surface finish enhancement).
Laser drilling and laser welding of aeroderivative and IGT components.
Failure analysis of a wide range of metallic structures including aeroderivative and IGT hot-zone components, structural aluminum components, oil refinery pipes and valves; ceramic to metal seals.
Titanium fabrication and manufacturing troubleshooting.
QA documentation for ISO 9002 certification.
EDUCATION:
BS at MIT in Metallurgical Engineering
Jack Wood
Jack is a world-renowned expert in high temperature alloy development and advanced coatings/substrate characterization. His patents in the field of superalloys are in world-wide use today. He has retired from General Electric Power Systems after 33 years of distinguished service. Jack may be contacted directly at Whimsy@frontiernet.net.
Jack Wood - Background & Experience
33 years (9/1968 - 4/2001) at General Electric Power Systems: includes 10 years as technical leader and principal engineer in superalloy and coating development.
Superalloy research and development: Ni-base and Co-base alloy development; heat treatment studies; microstructural stability studies; failure analysis of gas turbine hardware; 4 patents.
-Evaluated and selected IN-738 as GE bucket alloy (1st commercial use of 738)
-Castability improvement studies of IN-738 leading to introduction of IN-738LC
-Developed and patented GTD-111 (primary GE bucket alloy)
-Developed and patented GTD-222 (latter stage nozzle alloy)
-Bucket failure analysis work on all GE gas turbine frame sizes: 3002, 5001, 5002, 6B, 7E, 7F & FA+, 9E, 9F
High temperature coatings: Overlay coating (MCrAlY) development: Coating type and process selection for gas turbine hardware; coating life studies on overlay and diffusion coatings; development of coating life prediction models; evaluation of serviced coatings (gas turbine applications); coating failure analysis; 3 patents.
Development of bucket MCrAlY and overaluminided MCrAlY Coating Systems: GT-29, GT-29PLUS, GT-33, GT-33PLUS
Worked with aluminide coating suppliers in developing simultaneous internal and external aluminide coating processes for cooled buckets and nozzles
Coating performance analyses on buckets and nozzles from all frame size machines
Responsibility for development and/or selection of all high temperature alloys and coatings used in most GE gas turbine hot section component designs through year 2000.
EDUCATION
BS Materials Science, Stanford University
MS Materials Science, Stanford University
Myron Muth
Myron is a recognized leader in repair procedures for gas turbine components. He is an expert in chemical cleaning, casting, welding, and recoating. Myron has retired after a 32 year career at General Electric Power Systems, which was distinguished by many awards and patents. Myron may be contacted directly at Myron.Muth@pfmbonsai.com.
Myron Muth - Background & Experience
32 years (9/1969 – 4/2002) at General Electric Power Systems - includes (12) years as principal engineer,program manager and technical leader in the Metallurgical Engineering group earning (9) patents in the process.
Turbine airfoils (rotating and stationary):
Castings; Wrote specifications for and qualified castings for most of GE’s family of large industrial gas turbines MS3002 – MS9001F
Coatings: Evaluated and qualified metallic overlay and diffusion coatings for same engines.
Coatings: Evaluated and qualified coating removal processes for same engines
Joining: Developed first successful method to weld tip caps to large industrial gas turbine buckets.
Quality control: Worked closely with service centers to evaluate and qualify overall repair processes for GE family of industrial engines.
Failure Analysis: Performed many failure analyses and made presentations to customers.
Turbine combustion systems:
Systems: Responsible for material application and failure investigation work.
Turbine compressor blades:
Materials Specifications: Responsible for material qualification and failure related work.
Customer support:
Made many presentations to customers concerning new technology and existing customer issues, primarily bucket failure related.
