TY - JOUR AU - Matvienko, Yury PY - 2019/05/24 Y2 - 2024/03/28 TI - Comparison of the constraint parameters in elastic-plastic fracture mechanics JF - Frattura ed Integrità Strutturale JA - Fra&IntStrut VL - 13 IS - 49 SE - SI: Characterisation of Crack Tip Fields DO - 10.3221/IGF-ESIS.49.04 UR - https://www.fracturae.com/index.php/fis/article/view/2416 SP - 36-43 AB - <p>To describe the effect of crack-tip constraint on the stress field for finite cracked bodies, the following most widely used constraint parameters can be employed in elastic-plastic fracture mechanics, namely, local triaxiality parameter, constraint parameter <em>Q</em>, the second fracture mechanics parameter <em>A</em> using a three-term elastic-plastic asymptotic expansion. To establish the relationship between different constraint parameters, the crack-tip stress fields are employed. Relationship between the crack-tip constraint parameters<em> A</em>,<em> A<sub>2</sub></em>, <em>Q</em> and of elastic-plastic fracture mechanics is investigated.</p> ER -