登录
Simulation and analysis of [Formula: see text]-Ni cellular growth during laser powder deposition of Ni-based superalloys [0.03%]
Supriyo Ghosh,Nana Ofori-Opoku,Jonathan E Guyer Supriyo Ghosh
Cellular or dendritic microstructures that result as a function of additive manufacturing solidification conditions in a Ni-based melt pool are simulated in the present work using three-dimensional phase-field simulations. A macroscopic the...
L M Hale,C A Becker L M Hale
The interaction between screw dislocations and vacancies in body-centered cubic metals is investigated using molecular dynamics simulations. For thirteen different classical interatomic potentials, materials properties relating to vacancies...
Identifying Structure-Property Relationships of Micro-Architectured Porous Scaffolds through 3D Printing and Finite Element Analysis [0.03%] 基于3D打印和有限元分析的微尺度多孔支架结构性能关系识别
Zhangke Yang,Pooya Niksiar,Zhaoxu Meng Zhangke Yang
This study integrates 3D printing and finite element analysis (FEA) to investigate the effect of micro-architectural characteristics on the mechanical properties of porous scaffolds. The studied characteristics include the thickness of the ...
Understanding the Mechanical and Viscoelastic Properties of Graphene Reinforced Polycarbonate Nanocomposites Using Coarse-Grained Molecular Dynamics Simulations [0.03%] 基于粗粒分子动力学模拟的石墨烯增强聚碳酸酯纳米复合材料力学和黏弹性的研究
Jie Yang,Daniel Custer,Cho Chun Chiang et al. Jie Yang et al.
Incorporating graphene nanosheets into a polymer matrix is a promising way to utilize the remarkable electronic, thermal, and mechanical properties of graphene. However, the underlying mechanisms near the graphene-polymer interface remain p...
Mechanical properties of single-walled carbon nanotube reinforced polymer composites with varied interphase's modulus and thickness: A finite element analysis study [0.03%] 具有不同界面模量和厚度的单壁碳纳米管增强聚合物复合材料的力学性能有限元分析研究
Dilip Banerjee,Tinh Nguyen,Tze-Jer Chuang Dilip Banerjee
The role of the interphase on mechanical performance of glassy polymer/single-walled carbon nanotube composites has been investigated by finite element (FE) method. The matrix and the interphase are modeled using continuum elements and the ...
Convergence and machine learning predictions of Monkhorst-Pack k-points and plane-wave cut-off in high-throughput DFT calculations [0.03%] 高通量DFT计算中Monkhorst-Pack网格点和平面波截断的收敛性及机器学习预测能力研究
Kamal Choudhary,Francesca Tavazza Kamal Choudhary
In this work, we developed an automatic convergence procedure for k-points and plane wave cut-off in density functional (DFT) calculations and applied it to more than 30000 materials. The computational framework for automatic convergence ca...
Extended Finite Element models of introcortical porosity and heterogeneity in cortical bone [0.03%] 扩展的有限元模型在小梁骨和皮质骨中的孔隙率和异质性方面的研究
Silke Besdo,Deepak Vashishth Silke Besdo
Due to changes in the bone quality during ageing the fracture risk increases. The influence of the different parameters affecting bone quality is not well understood. The Finite Element method offers the opportunity to determine the individ...
Bo Sundman,Ursula R Kattner,Christophe Sigli et al. Bo Sundman et al.
Thermodynamic data are needed for all kinds of simulations of materials processes. Thermodynamics determines the set of stable phases and also provides chemical potentials, compositions and driving forces for nucleation of new phases and ph...
Modeling diffusion-governed solidification of ternary alloys - Part 2: Macroscopic transport phenomena and macrosegregation [0.03%] 三元合金控制扩散凝固的数学模型第二部分：宏观输运现象及宏观偏析形成规律分析
M Wu,J Li,A Ludwig et al. M Wu et al.
Part 1 of this two-part investigation presented a multiphase solidification model incorporating the finite diffusion kinetics and ternary phase diagram with the macroscopic transport phenomena (Wu et al., 2013). In Part 2, the importance of...
Modeling diffusion-governed solidification of ternary alloys - Part 1: Coupling solidification kinetics with thermodynamics [0.03%] 三元合金的扩散控制凝固模型-第一部分：动力学与热力学联合模型
M Wu,J Li,A Ludwig et al. M Wu et al.
A method incorporating the full diffusion-governed solidification kinetics and the ternary phase diagram into a multiphase volume average solidification model is presented. The motivation to develop such a model is to predict macrosegregati...