Results 21 to 30 of about 1,159,209 (168)
Research on thermomechanical fatigue life prediction of regenerative cooling thrust chamber
Xibei Gongye Daxue Xuebao, 2022 The ratcheting effect of the liner wall structure in the thrust chamber of liquid rocket engine under cyclic load is studied, and its service life is predicted.
HUANG Junfeng +4 more
doaj +1 more source
Experimental and Computational Approach to Fatigue Behavior of Polycrystalline Tantalum
Metals, 2021 This work provides an experimental and computational analysis of low cycle fatigue of a tantalum polycrystalline aggregate. The experimental results include strain field and lattice rotation field measurements at the free surface of a tension–compression
Damien Colas +5 more
doaj +1 more source
Journal of Materials Research and Technology, 2023 In this study, graded tantalum scaffolds were manufactured by electron beam powder bed fusion (EB-PBF). Compression-compression fatigue testing was conducted on the EB-PBF built graded tantalum scaffolds.
Yu Guo +7 more
doaj +1 more source
Ratcheting behavior of Eurofer97 at 550 °C
Nuclear Materials and Energy, 2018 The components in reactor are usually exposed to cyclic loading caused by frequent startups, shutdown and load fluctuations which lead to ratcheting effect.
Kuo Zhang, Jarir Aktaa
doaj +1 more source
Finite Element Implementation of a Temperature-Dependent Cyclic Plastic Model for SA508-3 Steel
Metals, 2018 A new temperature-dependent cyclic plastic model, combining the nonlinear cyclic softening and kinematic hardening rules is established for a nuclear material of SA508-3 steel.
Jun Tian +4 more
doaj +1 more source
An Identification of the Material Hardening Parameters for Cyclic Loading – Experimental and Numerical Studies [PDF]
Archives of Metallurgy and Materials, 2020 This paper presents the results of experimental studies and numerical simulations of the ratcheting for the PA6 aluminum. In the initial determination of the material hardening parameters, the samples were subjected to the symmetrical strain-controlled ...
A. Skrzat, M. Wójcik
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Investigation of advanced strain-path dependent material models for sheet metal forming simulations [PDF]
, 2006 Sheet metal forming processes often involve complex loading sequences. To improve the prediction of some undesirable phenomena, such as springback, physical behavior models should be considered.
BALAN, Tudor +5 more
core +1 more source
, 2018 Uniaxial ratcheting behavior of Z2CND18.12N austenitic stainless steel used nuclear power plant piping material was studied. The results indicated that ratcheting strain increased with increasing of stress amplitude under the same mean stress and ...
Chen, Haofeng, Chen, Xiaohui, Chen, Xu
core +3 more sources
MachinesThe present study evaluates three static recovery term (SRT) formulations incorporated into the Ahmadzadeh–Varvani (A-V) kinematic hardening framework for predicting ratcheting under tensile peak hold loading at room temperature.
Petar Jevtic, Ahmad Varvani-Farahani
doaj +1 more source
Applied Sciences, 2019 The ratcheting behavior of a steel pipe with assembly parts was examined under internal pressure and a cyclic bending load, which has not been seen in previous research.
Hongwei Yang, Ying Dai, Pengfei He
doaj +1 more source