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Charpy Impact Test

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MEASURE THE MATERIAL’S TOUGHNESS BY HAMMERING TILL FRACTURE

Charpy impact value represents the ability of a material to absorb energy, usually determined under impact loading. The Charpy impact test specimen is supported at both ends, and a pendulum strikes in the middle of the specimen on the unnotched side.

The Charpy impact specimen is the most widely used method for characterising steel’s ductile-to-brittle transition behaviour. These specimens may be tested at different temperatures. The impact toughness at each test temperature may be determined by the energy absorbed during fracture, the shear percentage on the fracture surface, or the change in the width of the specimen (lateral expansion).

The Charpy impact test is widely used because it is inexpensive and relatively simple. It is commonly used as a screening test in procurement and quality assurance for metallic products.

Professional Testing Services provides the Charpy impact test services following multiple International standards for metallic materials. Our laboratory can conduct the test from room temperature to various sub-zero temperatures.

Charpy impact is defined as the kinetic energy needed to initiate fracture and continue the fracture until the specimen is broken.

This destructive test involves a pendulum arm to strike a standard notched specimen with a hammer from a known height and break the test specimen.

The amount of energy absorbed by the material during fracture is measured. Charpy V notch or U notch test specimens are used.

APPLICATION OF CHARPY IMPACT TEST

Cost-effective test method

Helps to assess the quality of a product

Useful for evaluating new products

Cost effective test method for composites

Helps to assess quality of a product

Useful for evaluating new products

COMMON TEST METHODS

ASTM E23

ISO 148-1

Talk to us today

Professional Testing Service accredited labs are industry leaders in performing various services. Our lab specialists help you get the most out of your materials by providing in-depth, detailed impact test reports.

Contact us today to speak to an expert about our Charpy impact testing services or request a quote.

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