Use of the stretch zone for the characterization of ductile fracture
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Cited by (20)
Long term ageing effect on fracture toughness of the GTAW welded joints for nuclear power main pipelines
2020, International Journal of Pressure Vessels and PipingCitation Excerpt :Besides, according to Fig. 7, it seems that the crack growth mode is mainly not affected by the thermal ageing significantly. SZW is considered as an essential parameter for the fracture toughness characterization [26,37,38]. Generally, stretch zone forms at the beginning stage of the loading process.
Evaluating the effect of side grooving parameters on critical SZW
2016, Engineering Fracture MechanicsCitation Excerpt :Several attempts have been made to understand the effect of SG on the evaluated initiation fracture toughness. The magnitude of SZW variation across the fracture specimen thickness has been experimentally studied by Bassim [5]. A uniform magnitude of stretch zone is observed [5] in thin fracture specimen.
Acoustic emission during fracture toughness tests of SA333 Gr.6 steel
2012, Engineering Fracture MechanicsCitation Excerpt :The measure of this stretch zone is an estimation of crack tip opening prior to tearing. Use of stretch zone size as a measure of ductile fracture toughness was reported [5]. Acoustic emission technique (AET) is an advanced non-destructive evaluation (NDE) tool that possesses the ability for understanding deformation and fracture behavior of materials.
Numerical evaluation of geometric independent stretch zone width value for assessing valid J <inf>SZW</inf>
2012, Nuclear Engineering and DesignCitation Excerpt :Several attempts (Landes and Begley, 1971, 1974; Paranjpe and Banerjee, 1979; Mills, 1981; Amouzouvi and Bassim, 1982; Yin et al., 1983; Doig et al., 1984; Kobayashi et al., 1985a,b; Bassim et al., 1992; Bassim, 1995; Smith et al., 1995; Tai, 1996; Ebrahimi and Seo, 1996; Wang and Hwang, 1996; Tarafder et al., 2004) were made to understand the process of crack initiation and demonstrated the fracture toughness evaluation procedure in ductile materials.
An improved method for numerical determination of SZW using FEM
2009, Nuclear Engineering and DesignDetermination of stretch zone width using fem
2009, Engineering Fracture MechanicsCitation Excerpt :Kobayashi et al. [12] compared the standard procedure of determining the fracture toughness to the one based on SZW. Bassim [13] and Smith et al. [14] discussed SZW for fracture toughness measurement. Tai [15] employed FEM route to study the damage ahead of the crack tip.