Film Coated Metallographic Examination Is Wicked

Large in-service equipment: non removable workpieces such as power boilers/pressure vessels, chemical pipelines, wind turbine spindles, metallurgical rollers, ship shaft systems, etc
Welding joints: on-site non-destructive testing of the microstructure and defects of welds, heat affected zones (with priority given to coarse-grained zones), and fusion lines
Heat treated parts: Evaluation of surface microstructure, hardening layer, and decarburization layer of quenched/tempered/carburized/nitrided parts (without damaging the workpiece)
Surface treatment layer: Non destructive inspection of microstructure and thickness of coating, spray coating, and oxide layer
Failure analysis: on-site replica analysis of crack origin, creep holes, and corrosion morphology of in-service components
Special materials/working conditions: surface microstructure of hard alloys, high-temperature alloys, and precision alloys; Batch inspection of small parts and large-area plates

Surface macroscopic defects: location and morphology records of cracks, folds, inclusions, corrosion pits, and pores
Macroscopic morphology of welds: weld formation, continuity of fusion line, and verification of heat affected zone range
Microstructure identification: morphology and distribution of ferrite, austenite, pearlite, martensite, bainite and other microstructures
Grain size rating: Determine the average grain size and distribution according to standards
Non metallic inclusion assessment: Type, size, and distribution rating of A/B/C/D inclusions
Analysis of carbides/precipitates: morphology, size, distribution, and degree of spheroidization (suitable for high-temperature equipment aging assessment)
Defect quantification: creep pore density, microcrack length/width, intergranular corrosion degree grading
Hardened layer/decarburized layer: microstructure transition and thickness measurement from surface to substrate
Welding Organization Special Project: Evaluation of Weld Seam Columnar Crystals, Coarse/Fine Grains in Heat Affected Zones, and Integrity of Fusion Lines
Reproduction quality verification: no bubbles, no wrinkles, clear tissue details
Process conformity assessment: rationality of heat treatment/welding parameters and whether the organization meets the design standards
Life Prediction: Evaluating Remaining Life Based on Organizational Aging and Defect Expansion Trends