Liburdi Powder Metallurgy (LPM®) is a patented repair technology that restores worn, cracked, and damaged gas turbine components using high-strength superalloy deposits. Ideal for repairing large areas of material loss while minimizing distortion and cracking associated with conventional welding.
Gas turbine components exposed to high temperatures, oxidation, erosion, and cracking often face costly replacement or extensive repair requirements. While conventional welding and brazing can restore some damage, they may introduce distortion, heat-affected zone cracking, or limitations when repairing heavily worn or crack-sensitive superalloy components.
Liburdi Powder Metallurgy (LPM®) provides a patented, high-strength alternative to conventional welding and brazing. Using engineered superalloy deposits, LPM® forms a dense metallurgical bond that restores critical geometry, rebuilds worn areas, and repairs structural damage while minimizing distortion and cracking.
LPM® has been successfully applied to industrial, aeroderivative, and aircraft engine components for more than 35 years. The process enables repairs beyond the practical limits of welding and diffusion brazing, restoring components with strength and reliability comparable to new material.
Liburdi Powder Metallurgy (LPM®) delivers high-strength repairs that overcome many of the limitations of conventional welding and diffusion brazing.
LPM® creates a dense metallurgical bond with exceptional strength while minimizing cracking associated with conventional welding.
Restore critical geometry with minimal distortion, reducing rework and ensuring precise fit-up during reassembly.
Restore crack-sensitive superalloys and extensive material loss beyond the practical limits of welding and diffusion brazing.
LPM® restores cracked, worn, and oxidized gas turbine blades by rebuilding high-stress regions such as blade tips and leading edges. Using engineered nickel- and cobalt-based superalloy deposits, LPM® delivers exceptional strength, oxidation resistance, and wear performance beyond the practical limits of conventional welding and brazing.
LPM® restores structural damage in vanes and nozzles by rebuilding airfoils, trailing edges, vane throats, and abutment seal slots. The process minimizes distortion and heat-affected zone cracking, restoring critical geometry for reliable fit-up and airflow performance.
For more than 35 years, Liburdi Powder Metallurgy (LPM®) has restored high-value turbine components across industrial, aeroderivative, and aircraft engines. FAA-authorized repairs, field-proven performance, and decades of engineering development make LPM® a trusted alternative to conventional welding and diffusion brazing.
Liburdi Powder Metallurgy (LPM®) allows for significantly larger and deeper repairs than conventional wide-gap brazing, restoring openings up to 0.500 inches compared to the typical 0.004 to 0.040 inches achievable with brazing. Damaged material and oxides are mechanically removed through precision grinding, ensuring a clean surface for strong metallurgical bonding without chemical cleaning.
LPM® alloys are applied as putty or tape depending on the repair geometry, allowing uniform build-up on eroded airfoils, vanes, and trailing edges. The process maintains excellent hot corrosion resistance and coating compatibility, even after multiple heat treatment cycles, making it a superior option for gas turbine superalloy repairs.
Unlike welding, LPM® repairs do not melt the base material, eliminating heat-affected zone (HAZ) cracking and distortion, particularly in crack-sensitive superalloys. The process uses matching or near-matching nickel and cobalt-based alloys to restore full structural integrity, often exceeding the strength of conventional weld fillers such as IN625.
LPM® is ideal for complex gas turbine components including vane trailing edges, seal slots, and abutment areas where weld repairs typically cause localized stress or misalignment. The result is a crack-free, dimensionally stable repair that maintains original geometry and ensures long-term reliability in demanding turbine environments.