Single-edge precrack beam

T. Nose and T. Fujii, Evaluation of Fracture Toughness for Ceramic Materials by a Single-Edge-Precracked-Beam Method, Journal of the American Ceramic Society, 71[5], 328-333 (1988). 

Single Edge Precracked Beam (SEPB) (ASTMC1421) Three specimens used a = 0.4 to 0.6 8.9 (0.5) ... 

Fracture tougnness was determined with the single-edge-precracked-beam (SERB) and chevron-notch° methods in three-point bending. 

ASTM C 1421 for advanced ceramics includes three related test method procedures as illustrated in Figure 2. The three methods are the surface crack in flexure (SCF), precracked beam (PB) [also known as single-edge precracked beam (SEPB)], and chevron notch in bending (CNB) methods. The content and development of C 1421 and its precursor, ASTM PS 070-97 are documented elsewhere [2,3,4,5]. The SRM may also be used with three ISO standard test methods that are under development in Technical Committee TC 206, based on the SEPB, SCF, and CNB methods. It may also be used with a draft CEN standard that features SCF, CNB, SEPB, and single edge-V-notched beam methods, as well as JIS R 1607 which has the SEPB method. "... 

ISO 15732, Fine Ceramics (Advanced Ceramics, Advanced Technical Ceramics) Test Method for Fracture Toughness at Room Temperature by Single Edge Precracked Beam (SEPB) Method, International Organization for Standards, Geneva, 2003. 

Nose, T. and Fujii, T., Evaluation of fracture toughness for ceramic materials by a single-edge-precracked beam method, J Am. Ceram. Soc., 1988, 71, pp. 328-33. 

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