Fractographic Analysis
Applicable materials: Suitable for various metal materials and welding joints such as carbon steel, alloy steel, stainless steel, high-temperature alloys, aluminum alloys, copper alloys, titanium alloys, nickel based alloys, etc.
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Product Introduction
Detection range
Applicable materials: Suitable for various metal materials and welding joints such as carbon steel, alloy steel, stainless steel, high-temperature alloys, aluminum alloys, copper alloys, titanium alloys, nickel based alloys, etc.
Applicable objects: including plates, rods, pipes, forgings, castings, fasteners, shafts, gears, structural components, pressure vessels, pipelines, bridge components, engineering machinery, and various parts that have experienced fracture failure.
Applicable scenarios: Used for determining the cause of fracture failure, identifying fracture properties, verifying material and process quality, analyzing fracture accidents, quality arbitration, and developing failure prevention measures.
Testing items
Macroscopic fracture analysis: observation of fracture morphology, determination of fracture source location, determination of fracture path direction, and preliminary judgment of fracture mode.
Microscopic fracture analysis: Microscopic morphology observation under scanning electron microscopy/metallographic microscope to determine characteristics such as ductile fracture, cleavage fracture, intergranular fracture, fatigue striation, quasi cleavage fracture, etc.
Fracture property determination: distinguish between ductile fracture, brittle fracture, fatigue fracture, stress corrosion cracking, hydrogen embrittlement fracture, corrosion fatigue fracture, high-temperature creep fracture, etc.
Material conformity verification: review and determination of chemical composition, hardness, metallographic structure, and mechanical properties.
Analysis of factors affecting fracture: comprehensively analyze the causes of fracture by combining materials, manufacturing processes, assembly stress, usage environment, and load conditions.
Failure conclusion and improvement suggestions: Provide the root cause of fracture and prevention, improvement, and material selection optimization plans.
Testing standards
GB/T 30595-2014 Metallic Materials Fracture Analysis Macroscopic and Microscopic Inspection Methods
GB/T 12778-2008 Method for determination of Charpy impact fracture of metals
GB/T 6394-2017 Metallographic examination method for metallic materials
GB/T 30066-2013 Corrosion Failure Analysis Guide for Metals and Alloys
GB/T 228.1-2021 Tensile Testing of Metallic Materials Part 1: Room Temperature Test Method
GB/T 229-2020 Metallic Materials - Charpy Pendulum Impact Test Method
ASTM E3-11 Standard Guide for Preparation and Metallographic Examination of Metal Specimens
ASTM E45-18 Standard Test Method for Determination of Inclusion Content in Steel
ASTM G46-21 Standard Guide for Corrosion Failure Analysis
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.
