The effect of constraint on fracture properties of Z3CN20. 09M after accelerated thermal aging

W Yu, Z Liu, M Fan, H Gao, E Liu, M Chen, F Xue… - International Journal of …, 2021 - Elsevier
The main coolant piping material Z3CN20. 09 M was heat treated at 400° C for 18,000 h and
then the fracture behavior has been studied. To understand the effect of in-plane constraint …

Determination of stretch zone width and height by powerful 3D SEM imaging technology

A Weidner, T Mottitschka, H Biermann… - Engineering Fracture …, 2013 - Elsevier
The focus of the present study is to demonstrate a new method to determine the stretch zone
height and width using a fast and easy 3D imaging tool in the scanning electron microscope …

Crack tip strain localisation on mechanics of fracture of heat resistant steel after hydrogenation

PV Yasniy, IB Okipnyi, PO Maruschak, SV Panin… - Theoretical and Applied …, 2013 - Elsevier
The fracture toughness of steel 15Kh2MFA (ІІ) after the PTL was investigated. It was
established that the crack start is a multilevel process, in which the defining role is played by …

Specific aspects on crack advance during J‐test method for structural materials at cryogenic temperatures

K Weiss, A Nyilas - Fatigue & Fracture of Engineering Materials …, 2006 - Wiley Online Library
Cryogenic elastic plastic, J‐integral investigations on metallic materials often show negative
crack extension values with respect to resistance curve J‐R. According to the present ASTM …

Determination of stretch zone width using fem

S Saxena, N Ramakrishnan, BK Dutta - Engineering Fracture Mechanics, 2009 - Elsevier
The study addresses numerical determination of stretch zone width and its critical value. The
proposed method is based on the highly deformed stretch zone that is defined as stretch …

Numerical characterization of compact pipe specimen for stretch zone width assessment

G Mahajan, S Saxena… - Fatigue & Fracture of …, 2016 - Wiley Online Library
Present work focuses on evaluating the suitability of newly proposed compact pipe (CP)
fracture specimen geometry for determining critical SZW. The effect of varying the parameter …

Evaluating Critical SZW and its variation using curved CT specimens used in pressure tubes material testing of nuclear reactor

S Saxena, BM Pandharkar, RS Sikarwar - International Journal of Pressure …, 2025 - Elsevier
In case of small thin pipes (R/t≥ 10), such as pressure tubes in nuclear reactor, it is not
possible to get flat standard fracture specimens. In such evaluation of initial fracture …

Establishing methodology to predict fracture behaviour of piping components by numerically predicting specimen fracture data using tensile specimen test

S Saxena, N Ramakrishnan, JS Chouhan - Engineering Fracture …, 2010 - Elsevier
Using large deformation FEM analyses in SA333Gr. 6 carbon steel material, the present
study demonstrated the assessment of SZWc value that leads to JSZWc and finally …

Numerical determination of stretch zone width (SZW) using tensile test data

S Saxena, N Ramakrishnan… - Fatigue & Fracture of …, 2011 - Wiley Online Library
There is an increasing effort to use critical stretch zone width (SZW) for the evaluation of
initiation fracture toughness that is considered as geometry independent material property …

Establishing a methodology to predict the crack initiation load in through-wall cracked components using tensile specimen test data

S Saxena, N Ramakrishnan, JS Chouhan - International journal of pressure …, 2010 - Elsevier
Among several other definitions, the crack initiation fracture toughness (Ji) based on critical
stretch zone width (SZWc), called JSZWc, is being considered as a geometry independent …