High temperature hardness of steels and iron-based alloys

H Torres, M Varga, MR Ripoll - Materials Science and Engineering: A, 2016 - Elsevier
Hot hardness, related to the mechanical strength and wear resistance of materials at high
temperatures, has been measured from room temperature up to 800° C for a comprehensive …

Influence of SD effect on Johnson–Cook hardening constitutive material model: numerical and experimental investigation for armor steel

A Saxena, SP Dwivedi, A Kumaraswamy… - Mechanics of …, 2022 - Taylor & Francis
The influence of strength–differential (SD) effect has been investigated on Johnson–Cook
(JC) material model parameters for armor grade RHA steel. Two set of JC model parameters …

High temperature tensile properties of 316LN stainless steel investigated using automated ball indentation technique

J Ganesh Kumar, V Ganesan… - Materials at High …, 2019 - Taylor & Francis
Type 316LN stainless steel (SS) is the principal structural material for the components of
sodium cooled fast reactors operating under elevated temperature conditions. In order to …

Microstructural characterization and high strain rate plastic flow behavior of SMAW Armox500T steel joints from spherical indentation experiments

A Saxena, A Kumaraswamy, S Sethi… - Journal of Materials …, 2018 - Springer
Static indentation and uniaxial compression tests have been conducted on Armox500T steel
and its weldments to predict the constraint factor (CF), ie, ratio of Meyer's hardness to …

Evaluation of indentation tensile properties of Ti alloys by considering plastic constraint effect

KH Kim, YC Kim, E Jeon, D Kwon - Materials Science and Engineering: A, 2011 - Elsevier
The uniaxial tensile properties of metallic materials can be determined by representing the
indentation stress and strain by the load/depth parameters from instrumented indentation …

Microstructural evolution and the effect on hardness of Sanicro 25 welded joint base metal after creep at 973 K

R Zhou, L Zhu, Y Liu, Z Lu, L Chen, X Ma - Journal of Materials Science, 2017 - Springer
The microstructural evolution and the hardness of Sanicro 25 welded joint base metal after
creep at 973 K were investigated, aiming to determine which precipitate is the most …

Indentation size effects in hardness of annealed NiB coatings

A Soni, A Kumaraswamy, B Praveen Kumar… - MRS …, 2024 - Springer
Abstract Nix–Gao's factor (81/2) was replaced with (4.5 Ct2) using variable constraint factor
(Ct) for size-dependent analysis of crystalline coatings. Experimental investigations on …

Numerical analysis of effect of temperature on ball indentation behaviour of Armox500T and IN718

A Saxena, A Kumaraswamy - Transactions of the Indian Institute of Metals, 2018 - Springer
Temperature dependence of ball indentation behaviour of Armox500T and IN718 in terms of
Meyer's hardness, constraint factor (CF) and pile-up around indentation as a function of …

High strain-rate plastic flow behavior of Ti–6Al–4V from dynamic indentation experiments

A Kumaraswamy, VV Rao - Materials Science and Engineering: A, 2011 - Elsevier
Dynamic indentation (DI) tests using spherical projectile have been carried out on solution
treated and aged (STA) Ti–6Al–4V alloy at ambient conditions in the velocity range of 32 …

Ball indentation studies on the effect of nitrogen on the tensile properties of 316LN SS

MD Mathew, J Ganesh Kumar, V Ganesan… - High Temperature …, 2015 - degruyter.com
Type 316L (N) stainless steel (SS) containing 0.02–0.03 wt% carbon and 0.06–0.08 wt%
nitrogen is used as the major structural material for the components of fast reactors …