testing capabilities
Charpy Impact Testing
The Charpy Impact Test is a standardized method used to measure a material’s toughness, or its ability to absorb energy and resist fracture under sudden impact. The test evaluates how a material behaves when subjected to a high-strain-rate load, which is critical for engineered fasteners that may experience shock, vibration, or rapid loading during service.
How the Test is Performed
Specimen Preparation – A notched sample of the material or component is cut to standard dimensions and carefully prepared.
Mounting – The specimen is positioned horizontally in a Charpy testing machine on two supports.
Impact Loading – A pendulum hammer is released to strike the specimen at the notch, causing it to fracture.
Energy Measurement – The machine measures the energy absorbed by the material during fracture, which reflects its impact toughness.
Result Recording – The energy absorbed and fracture characteristics are documented for analysis.
Why It is Performed
Charpy Impact Testing is performed to ensure that materials and fasteners can withstand dynamic and sudden loads without brittle failure. It is especially important for components used in low-temperature, high-vibration, or shock-prone environments.
Evaluates material toughness and fracture resistance
Detects brittleness that could lead to sudden failure
Confirms suitability for high-impact or dynamic applications
Ensures safety and reliability in critical assemblies
Application to Engineered Fasteners
Engineered fasteners are often subjected to sudden loads, vibration, or shock in industries such as aerospace, defense, oil & gas, and energy. Charpy Impact Testing ensures that:
Fasteners resist brittle fracture under impact conditions
Material selection and heat treatment achieve required toughness
Performance and reliability are maintained in demanding applications
Critical joints remain safe even under dynamic or emergency loading conditions
Standards & Compliance
TSP Manufacturing performs Charpy Impact Testing in accordance with ASTM, ISO, and customer-specific standards. All equipment is calibrated and operated by trained professionals to ensure accuracy, repeatability, and traceability. Compliance with these recognized standards provides confidence that our engineered fasteners and machined components meet the highest levels of quality, toughness, and reliability.
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