Prediction of mechanical properties for typical pressure vessel steels by small punch test combined with machine learning

H Pan, J Peng, X Geng, M Gao, X Miao - International Journal of Pressure …, 2023 - Elsevier
To understand the fitness of different machine learning methods to small punch test (SPT),
three machine learning methods, namely, back propagation (BP) neural network, radial …

Investigation on regression model for the force of small punch test using machine learning

J Zhong, Z He, K Guan, T Jiang - … Journal of Pressure Vessels and Piping, 2023 - Elsevier
The analytical solution for the force-deflection curve of the small punch test (SPT) is still a
challenge. Machine learning is employed in the present study to establish a model for …

Machine learning method for estimating the defect-related mechanical properties of additive manufactured alloys

X Wang, L Xu, L Zhao, W Ren, Q Li, Y Han - Engineering Fracture …, 2023 - Elsevier
The mechanical properties of the additive manufactured (AM) nickel-based alloys: GH4169
and Hastelloy X were estimated via small punch tensile (SPT) tests. The surface defects of …

Microstructure and mechanical properties of 9Cr-3Co-2.9 W-CuNbV steel welded joints processed by different tungsten inert gas (TIG) welding

H Cai, L Xu, L Zhao, Y Han, X Guo - Materials Characterization, 2023 - Elsevier
New heat-resistant steel containing 9 wt% Cr has been used for Ultra-supercritical (USC)
power plants at temperatures up to 650° C. The microstructure, mechanical properties, and …

Mechanical properties of structural metallic alloys for nuclear applications deduced by small punch test

T Melkior, D Terentyev, CC Chang, A Bakaev… - Journal of Nuclear …, 2023 - Elsevier
Abstract Small Punch Test (SPT) techniques are becoming a popular tool for the
characterization of the irradiation damage effects in nuclear materials thanks to a number of …

Validation and improvement in metallic material tensile models for small punch tests

Q Li, X Wang, L Zhao, L Xu, Y Han - Journal of Materials Science, 2023 - Springer
The small punch (SP) test has been widely used in applications where conventional
mechanical tests cannot be performed; this paper predicts the material strength from the SP …

Miniaturized S-shaped flexible magnetic pulse welding coil design for engineering applications

Y Yao, D Chen, B Tang, F Wang, H Jiang, G Li… - Journal of Manufacturing …, 2023 - Elsevier
Magnetic pulse welding (MPW) as a new solid-phase welding technology in the
manufacturing field has vast application prospects. However, the application of MPW in …

Effects of pre-deformation and annealing on the mechanical properties and microstructure of miniaturized FeCrAl-Y-Si alloys

X Jiang, R Wang, HS Lai - Journal of Alloys and Compounds, 2023 - Elsevier
The evolution of mechanical properties and microstructure in FeCrAl alloys with added Y
and Si was investigated using miniaturized specimens. The FeCrAl alloys underwent warm …

A modified small punch testing scheme to investigate the circumferential mechanical behavior of nuclear fuel cladding tubes

HS Lai, R Wang, Y Zhong, P Du, J Guo… - Journal of Nuclear …, 2023 - Elsevier
The manufacturing process of nuclear fuel cladding tubes endows them with anisotropic
material properties. In this study, a small punch testing (SPT) method was established to …

Mechanical properties study of miniature steel specimens based on the small punch test and simulation methods

J Zhang, Z Guo, K Liu - Materials, 2022 - mdpi.com
The small punch test (SPT) can be very convenient to obtain mechanical properties due to
its unique advantages from small-volume samples, and has gained wide popularity and …