ASTM E23 Charpy Impact Testing Sub-Size Specimens
ASTM E23 Charpy Impact Testing Sub-Size Specimens
ASTM E23 and ISO 148-1 define test methods for Charpy impact testing of notched-bar metallic specimens. ASTM A370 also includes Charpy impact test method requirements but focuses only on steel products. All three standards provide details for properly measuring the energy absorbed by the notched specimen when impacted by a swinging pendulum. A typical Charpy test requires the notched metal specimen to rest on supports at each end (in a horizontal fashion) while coming in contact with vertical anvils adjacent to the supports. The specimen is then struck opposite the anvils at its centerline by a striker that is attached to a swinging pendulum (hammer).
ASTM E23 and ISO 148-1 define test methods for Charpy impact testing of notched-bar metallic specimens. ASTM A370 also includes Charpy impact test method requirements but focuses only on steel products. All three standards provide details for properly measuring the energy absorbed by the notched specimen when impacted by a swinging pendulum. A typical Charpy test requires the notched metal specimen to rest on supports at each end (in a horizontal fashion) while coming in contact with vertical anvils adjacent to the supports. The specimen is then struck opposite the anvils at its centerline by a striker that is attached to a swinging pendulum (hammer).
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