{"id":3150,"date":"2026-06-28T12:32:17","date_gmt":"2026-06-28T12:32:17","guid":{"rendered":"https:\/\/rms-labgroup.com\/?page_id=3150"},"modified":"2026-07-19T07:06:25","modified_gmt":"2026-07-19T07:06:25","slug":"impact-test","status":"publish","type":"page","link":"https:\/\/rms-labgroup.com\/tr\/laboratories\/mechanical-testing-laboratory\/impact-test\/","title":{"rendered":"Impact Test"},"content":{"rendered":"
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Charpy<\/b> Impact Test <\/b><\/p>

Purpose: To determine the impact toughness of materials over a temperature range from \u2013196 \u00b0C to 500 \u00b0C using Charpy V-notch (CVN) and Charpy U-notch (CUN) methods in accordance with EN and ASTM standards. Testing is performed on two calibrated impact machines, ensuring accurate and reliable results<\/p>

The V-notch test is primarily used to evaluate fracture toughness and ductile-to-brittle transition behavior under severe stress concentration, while the U-notch method is applied where specified by certain material standards or project requirements.<\/p>

Cryogenic testing down to \u2013196 \u00b0C is essential for LNG, offshore, and low-temperature service applications to prevent brittle failure, whereas high-temperature impact testing up to 500 \u00b0C supports material qualification for power generation, refinery, and other high-temperature industrial components.<\/p>

Lateral expansion (LE) of Charpy V-notch specimens is determined following impact fracture as a quantitative measure of plastic deformation capacity at the notch root and an indirect indicator of fracture mode (ductile versus brittle behavior).\u00a0\u00a0The measurement is performed using a dedicated lateral expansion gauge in accordance with ASTM E23 .<\/p>

Standards: ASTM A370, ASTM E23, EN 875, ISO 148-1, ISO 9016<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"

Charpy Impact Test Purpose: To determine the impact toughness of materials over a temperature range from \u2013196 \u00b0C to 500 \u00b0C using Charpy V-notch (CVN) and Charpy U-notch (CUN) methods in accordance with EN and ASTM standards. Testing is performed on two calibrated impact machines, ensuring accurate and reliable results The V-notch test is primarily […]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":444,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-3150","page","type-page","status-publish","hentry"],"yoast_head":"\nImpact Test - RMS Lab Group<\/title>\n<meta name=\"robots\" content=\"noindex, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<meta property=\"og:locale\" content=\"tr_TR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Impact Test - RMS Lab Group\" \/>\n<meta property=\"og:description\" content=\"Charpy Impact Test Purpose: To determine the impact toughness of materials over a temperature range from \u2013196 \u00b0C to 500 \u00b0C using Charpy V-notch (CVN) and Charpy U-notch (CUN) methods in accordance with EN and ASTM standards. 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