30 Papers
1 Citations
Xu Long is an academic researcher from Northwestern Polytechnical University. The author has contributed to research in topics: Constitutive equation & Plasticity. The author has an hindex of 2, co-authored 2 publications.
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Papers
Gaussian filtering method of evaluating the elastic/elasto-plastic properties of sintered nanocomposites with quasi-continuous volume distribution
TL;DR: In this paper , the Gaussian filtering algorithm and the cutting quantile functions are combined to efficiently generate the RVE of randomly distributed metal matrix nanocomposites (MMNCs) with quasi-continuous volume distribution.
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Meso-scale low-cycle fatigue damage of polycrystalline nickel-based alloy by crystal plasticity finite element method
TL;DR: In this article , a mesoscopic constitutive model coupled with crystal plasticity and damage is established to investigate the plastic deformation and damage-induced degradation of polycrystalline materials under cyclic loading.
83
Connecting the macroscopic and mesoscopic properties of sintered silver nanoparticles by crystal plasticity finite element method
TL;DR: In this article , a framework of crystal plasticity finite element method (CPFEM) is established based on the mechanism of crystal deformation to describe the mesoscopic structural influence of grain evolution on the macroscopic properties of sintered AgNP materials.
69
Determination of gradient residual stress for elastoplastic materials by nanoindentation
Ziyi Shen,Ruipeng Dong,Jiao-Yang Li,Yutai Su,Xu Long +4 more
TL;DR: A dimensionless method using nanoindentation is proposed to determine residual stress profiles in elastoplastic materials, with a reverse algorithm derived from finite element simulations to predict gradient residual stresses and optimize manufacturing processes.
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Statistical effects of pore features on mechanical properties and fracture behaviors of heterogeneous random porous materials by phase-field modeling
TL;DR: In this article , a computational framework for generating isotropic/anisotropic random porous materials using Gaussian random fields with stochastic pore size and shape factor was proposed.
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