The Applied Technical Services Family of Companies (FoC) performs Miniature Charpy testing on irradiated materials where the specimen sample size is very limited or radioactive.
Our testing is performed in controlled laboratory settings using specialized systems, adhering to industry standards and tailored to each client’s needs. Miniature Charpy testing reduces the required sample size, as surplus samples are often unavailable for this application.
Distinguishing Key Differences in Miniature Charpy Testing
Charpy impact testing quantifies the energy a material absorbs upon fracture, demonstrating that lower temperatures enhance strength but decrease ductility, potentially leading to brittle failure. A smaller sample is cooled and struck by a pendulum, with absorbed energy calculated from the pendulum’s motion.
Standard Charpy: 10×10×55 mm
Miniature Charpy: Much smaller (e.g., 3×4×27 mm, or other sub-size geometries)
Miniature Charpy testing is typically used in specialized cases such as nuclear (irradiated materials), failure analysis, weld zones, and in-service components.
Unlike standard Charpy tests, the results need to be correlated with full-size values and are generally utilized for comparative analysis.
Applications Across the Nuclear Sector
Miniature Charpy testing plays a critical role in the nuclear sector by enabling impact toughness evaluation when material is limited, radioactive, or localized.
Material Qualification and Research: Evaluates new or limited-quantity materials for nuclear applications.
Irradiation Embrittlement Assessment: Analyzes the impact of neutron exposure on the durability of reactor pressure vessel materials over time.
Aging and Life Extension Studies: Informs decisions for the continued safe operation of nuclear components.
Hot Cell Testing of Radioactive Materials: Facilitates the safe examination of irradiated samples using small specimens.
Weld and Heat-Affected Zone (HAZ) Evaluation: Assesses localized toughness in critical weld areas.
Failure Analysis and Root Cause Investigations: Identifies whether brittle fracture played a role in component failure.
Contact Us
To learn how our Miniature Charpy testing services can support your next project needs, contact ATS today. Submit a request through our webform or give us a call on our direct line +1 (888) 287-5227 to get started.
