Evaluation of Standard Charpy Impact Properties with Subsized Specimens

T Yamamoto; K Yabuki; H Matsui; GR Odette; GE Lucas

doi:10.1520/STP10816S

SYMPOSIA PAPER Published: 01 January 2002

STP10816S

Evaluation of Standard Charpy Impact Properties with Subsized Specimens

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Evaluation methodology of standard Charpy impact properties in the cleavage fracture region from subsized specimen test results has been demonstrated. It consists of 1) subsized Charpy V-notch impact tests; 2) tensile tests at various temperatures and strain rates; and 3) three dimensional finite element method (FEM) simulations of the impact test with a temperature and strain rate dependent constitutive equation and a cleavage fracture model that is based on a stress-critical area criteria. The standard impact properties of a ferritic/martensitic steel (JFMS) in the cleavage facture region have been evaluated, and there was reasonable agreement between simulations and experimental results.

Author Information

Yamamoto, T

University of California, Santa Barbara, CA, JAPAN

Yabuki, K

Inst. Material Research, Tohoku University, Sendai, Japan

Matsui, H

Inst. Material Research, Tohoku University, Sendai, Japan

Odette, GR

University of California, Santa Barbara, CA

Lucas, GE

University of California, Santa Barbara, CA

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Details

Developed by Committee: E10

Pages: 93–106

DOI: 10.1520/STP10816S

ISBN-EB: 978-0-8031-5465-0

ISBN-13: 978-0-8031-2897-2

Evaluation of Standard Charpy Impact Properties with Subsized Specimens

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