Results 81 to 90 of about 647,213 (246)
Laves phase morphology governing strength-plasticity in additively manufactured IN718 alloy
Materials & DesignIn additively manufactured IN718, Nb-rich Laves phases often act as crack-sensitive constituents and degrade tensile performance. However, the role of Laves phase geometry in crack initiation and propagation remains insufficiently understood.
Jiasen Han, Hui Chen, Xin Lin
doaj +1 more source
Advanced Modeling and Simulation in Engineering Sciences, 2017 We devise a finite element methodology to trace quasi-static through-thickness crack paths in nonlinear elastic solids. The main feature of the proposed method is that it can be directly implemented into existing large scale finite element solvers with ...
Y. Sudhakar, Wolfgang A. Wall
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Residual Stress Effect on Crack Closure in Additively Manufactured Stainless Steels
Super duplex stainless steels (SDSS) are extensively used in oil and gas, marine, and chemical process industries. Recently, wire-arc additive manufacturing (WAAM) has been demonstrated as an attractive method for fabricating near net-shape structural ...
Sales, A., Kotousov, A., Khanna, A.
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Introduction of a fretting-fatigue mapping concept: Development of a dual crack nucleation - crack propagation approach to formalize fretting-fatigue damage [PDF]
, 2009 Fretting-fatigue induced by combined localized cyclic contact motion and external bulk fatigue loadings may result in premature and dramatic failure of the contacting components.
Kubiak, K.J. +3 more
core +1 more source
Structure‐Guided Dynamical Mechanics in Bioinspired Double Twisted Laminated Thin Films
Advanced Functional Materials, EarlyView.This work explores a dynamic mechanistic study of crack propagation and puncture testing via real‐time monitoring of crack initiation, propagation, and termination through nature‐inspired single and double twisted architectures fabricated from cellulose nanocrystals.
Justin Brackenridge +4 more
wiley +1 more source
Bio‐Inspired Synthesis of Macroporous Single Crystal Particles as Scattering Agents
Advanced Functional Materials, EarlyView.A general strategy is presented that delivers unique, single‐crystal microparticles that combine submicron macroporosity and uniform particle shapes. A bioinspired approach is used to occlude three distinct types of additives – polystyrene microspheres, polymer vesicles and amino acids – within calcite single crystals, and subsequent thermal annealing ...
Stephanie E. Foster +11 more
wiley +1 more source
Advanced Functional Materials, EarlyView.Monolithic UV‐ozone oxidation of Ta forms an ultrathin Ta2O5/TaOx bilayer enabling resistive switching with a vertical defect gradient. A stoichiometric surface layer over an oxygen‐deficient sublayer promotes localized filament nucleation near the top interface, enabling low‐voltage operation, and reduced cycle‐to‐cycle variability.
Seunghoon Yang +11 more
wiley +1 more source
Jixie chuandong, 2016 The extended finite element method（ XFEM） is investigated to calculate gear crack propagation. The crack propagation computer program are developed,and the correctness is verified with the aid of standard examples.
Xu Detao +3 more
doaj
Advanced Functional Materials, EarlyView.A systematic review is conducted to assess the influence of electrode architecture across micro‐ to mesoscopic length scales on electron‐transfer pathways in electrocatalysis. We discuss the structure‐activity relationships in electrocatalytic applications, including resource recovery and environmental remediation, and provide cost‐effective, efficient
Manshu Zhao +6 more
wiley +1 more source
Advances in Materials Science and Engineering, 2019 Deformation and fracture of brittle materials, especially crack propagation, have drawn wide attention in recent years. But dynamic crack propagation under impact loading was not well understood. In this paper, we experimentally tested Brazilian disk (BD)
Shijun Zhao, Qing Zhang
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