7FA Nozzle Repair: How Damage Impacts Flow Path, Heat Rate, and Reliability 7FA nozzle repair is not a routine maintenance line item. Stage 1 nozzles suffer oxidation, TBC spallation, trailing edge cracking, and cooling hole blockage during normal operation. Each damage mode degrades flow path efficiency, raises wheelspace temperatures, and increases heat rate by measurable...
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Allied Power Group Announces Strategic Partnership With TMS América Latina to Expand Gas Turbine Solutions in Brazil
Houston, TX — May 19, 2026— Allied Power Group (APG), a U.S.-based global leader in gas turbine solutions for the power generation industry, is proud to announce a strategic partnership with TMS América Latina to expand support for the Brazilian energy market. This partnership marks an important milestone for both organizations as Brazil continues to...
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7FA Bucket Damage: When Repair Isn’t Enough and Downtime Becomes a Crisis
A planned hot gas path inspection on a GE Frame 7FA can turn into something far more expensive the moment bucket condition becomes an open question. If you’ve pulled borescope images showing oxidation, tip wear, or TBC spallation on your 7FA buckets, the repair-versus-replace decision needs to be made before your outage window opens —...
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Advanced Coatings for GE 7FA Blades: The Complete Technical Guide
The coating systems protecting 7FA blades from destruction are more engineered than most plant engineers encounter in a single career — and when they fail, the consequences land fast. The multilayer system these machines depend on consists of an MCrAlY bond coat applied via HVOF or atmospheric plasma spray, a yttria-stabilized zirconia thermal barrier coating...
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