Metallographic Testing Of Copper Alloys
Matrix organization inspection: Identify the organizational composition of alpha phase, beta phase, lead phase, intermetallic compounds, etc., and evaluate the content and morphology of each phase.
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Product Introduction
Scope of Inspection
Applicable materials: including brass, bronze, white copper, pure copper (purple copper), various deformed copper alloys, and cast copper alloys.
Applicable workpieces: Suitable for copper alloy bars, plates, strips, pipes, wires, castings, forgings, stamped parts, welded joints and other products.
Inspection purpose: Used for material incoming acceptance, production process quality control, casting/forging/heat treatment/welding process verification, failure analysis, and metallographic quality qualification judgment.
Engineering components: welded joints, heat-treated parts, pressure vessels, chemical pipelines, wind turbine spindles, ship accessories, aerospace components, etc
Inspection Item
Grain size assessment: Determine the average grain size to assess the degree of recrystallization and grain uniformity.
Matrix organization inspection: Identify the organizational composition of alpha phase, beta phase, lead phase, intermetallic compounds, etc., and evaluate the content and morphology of each phase.
Casting organization inspection: Check for defects such as casting segregation, porosity, shrinkage porosity, needle like structure, and looseness.
Deformation and Recrystallization Structure: Determine the cold deformation fiber structure, degree of recrystallization, and mixed crystal situation.
Welding organization inspection: detecting the organization of welds and heat affected zones, as well as welding defects.
Heat treatment organization evaluation: Verify the organization state and uniformity after annealing, quenching, and aging.
Defect assessment: Detect microscopic defects such as non-metallic inclusions, overburning, cracks, corrosion marks, etc.
Inspection Specification
GB/T 4295-2018 Metallographic Atlas of Copper and Copper Alloys
GB/T 5271-2020 Copper and copper alloys Determination of grain size
GB/T 6394-2017 Method for determination of average grain size of metals
GB/T 13299-2023 Method for microstructure inspection of steel and cast iron
was established in 2011. As a national high-tech enterprise recognized by the Zhejiang Provincial Higher People's Court as a judicial authentication institution for construction engineering quality, we specialize in structural performance testing and safety assessment of construction projects, special equipment, communication towers, electromagnetic environments, large bridges, and building safety appraisal.
The company has more than 100 professional and technical personnel, over 90% of whom hold various medium and senior technical certificates. Equipped with complete testing equipment worth over RMB 10 million, our business scope covers the whole country.
