Variational projection methods for gradient crystal plasticity using Lie algebras
Sign Up to like & getrecommendations! Published in 2017 at "International Journal for Numerical Methods in Engineering"
DOI: 10.1002/nme.5355
Abstract: Summary A computational method is developed for evaluating the plastic strain gradient hardening term within a crystal plasticity formulation. While such gradient terms reproduce the size effects exhibited in experiments, incorporating derivatives of the plastic… read more here.
Keywords: crystal plasticity; plastic strain; tensor; method ... See more keywords
Evolution of the stiffness tetrad in fiber-reinforced materials under large plastic strain
Sign Up to like & getrecommendations! Published in 2020 at "Archive of Applied Mechanics"
DOI: 10.1007/s00419-020-01827-8
Abstract: The main aim of this work is to track the evolution of the stiffness tetrad during large plastic strain. Therefore, the framework of a general finite plasticity theory is developed. Some special cases are examined,… read more here.
Keywords: stiffness; evolution; large plastic; plastic strain ... See more keywords
Exact reconstruction formulas for plastic strain distribution in the surface-treated plate and their applications
Sign Up to like & getrecommendations! Published in 2020 at "Acta Mechanica"
DOI: 10.1007/s00707-020-02625-7
Abstract: Surface-treated bodies are considered under the assumption that the plastic strain distribution is uniform along the surface and changes only with depth. The elastic problem of the surface-treated plate is solved. The obtained solution is… read more here.
Keywords: strain distribution; surface treated; surface; plastic strain ... See more keywords
Mechanical characteristics of medical grade UHMWPE under dynamic compression
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Materials Science: Materials in Medicine"
DOI: 10.1007/s10856-019-6254-6
Abstract: AbstractThe mechanical properties of medical grade ultrahigh molecular weight polyethylene (UHMWPE) are critical for the safety and integrity of UHMWPE implantation. Accordingly, the mechanical features of UHMWPE are tested under repeated stress-controlled and strain-controlled compression… read more here.
Keywords: compression; plastic strain; stress; rate ... See more keywords
Structural Aspects of Zones of Plastic Strain. Part I. Effect of Adiabatic Shear
Sign Up to like & getrecommendations! Published in 2020 at "Metal Science and Heat Treatment"
DOI: 10.1007/s11041-020-00471-x
Abstract: The structure, the dynamic crack resistance, and the characteristics of mechanical properties of quenched and tempered structural steel 09G2S are studied. Special features of structure in the zones of plastic strain (ZPS) under fracture surfaces… read more here.
Keywords: adiabatic shear; plastic strain; zones plastic; structural aspects ... See more keywords
Nature of the Elastic-Plastic Strain Invariant
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DOI: 10.1007/s11182-021-02341-2
Abstract: The nature of the elastic-plastic strain invariant is considered. It is shown that the absolute values of the invariant obtained in experiments obey the normal distribution. The contributions of the scale and velocity factors to… read more here.
Keywords: plastic strain; strain invariant; nature elastic; elastic plastic ... See more keywords
A strain-mediated corrosion model for bioabsorbable metallic stents.
Sign Up to like & getrecommendations! Published in 2017 at "Acta biomaterialia"
DOI: 10.1016/j.actbio.2017.04.020
Abstract: This paper presents a strain-mediated phenomenological corrosion model, based on the discrete finite element modelling method which was developed for use with the ANSYS Implicit finite element code. The corrosion model was calibrated from experimental… read more here.
Keywords: plastic strain; corrosion model; strain mediated; model ... See more keywords
Effect of plastic strain on the solidification cracking of Hastelloy-X in the selective laser melting process
Sign Up to like & getrecommendations! Published in 2021 at "Additive manufacturing"
DOI: 10.1016/j.addma.2020.101742
Abstract: Abstract There is a growing demand to produce parts from Hastelloy-X materials, which exhibit a high unit cost per weight, by the selective laser melting (SLM) process. However, when the Hastelloy-X material was employed, solidification… read more here.
Keywords: process; plastic strain; solidification cracking; solidification ... See more keywords
A novel constitutive model with plastic internal and damage variables for brittle rocks
Sign Up to like & getrecommendations! Published in 2021 at "Engineering Fracture Mechanics"
DOI: 10.1016/j.engfracmech.2021.107731
Abstract: Abstract The damage evolution and plastic flow are usually coupled for rocks due to heterogeneity, which is significant for the design and construction of underground structures. In this paper, a novel damage model considering the… read more here.
Keywords: model; damage; plastic internal; plastic strain ... See more keywords
An irreversible bilinear cohesive law considering the effects of strain rate and plastic strain and enabling reciprocating load
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DOI: 10.1016/j.engfracmech.2021.107855
Abstract: Abstract The commonly used bilinear cohesive law doesn’t consider the effects of strain rate and plastic strain, but it is well known that strain rate and plastic strain can greatly affect materials’ mechanical response. In… read more here.
Keywords: cohesive law; plastic strain; rate; strain ... See more keywords
Hysteretic mechanical property of low-yield strength shear panel dampers in ultra-large plastic strain
Sign Up to like & getrecommendations! Published in 2017 at "Engineering Structures"
DOI: 10.1016/j.engstruct.2017.06.028
Abstract: Abstract The low-yield strength steel (LYS) has been a promising material to make shear panel damper in seismic engineering due to the large plastic deformation capacity. To take advantage of the energy absorption ability of… read more here.
Keywords: plastic; low yield; plastic strain; large plastic ... See more keywords