Probing Crystal Plasticity at the Nanoscales

Probing Crystal Plasticity at the Nanoscales PDF Author: Arief Suriadi Budiman
Publisher: Springer
ISBN: 981287335X
Category : Technology & Engineering
Languages : en
Pages : 182

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Book Description
This Brief highlights the search for strain gradients and geometrically necessary dislocations as a possible source of strength for two cases of deformation of materials at small scales: nanoindented single crystal copper and uniaxially compressed single crystal submicron gold pillars. When crystalline materials are mechanically deformed in small volumes, higher stresses are needed for plastic flow. This has been called the "Smaller is Stronger" phenomenon and has been widely observed. studies suggest that plasticity in one case is indeed controlled by the GNDs (strain gradient hardening), whereas in the other, plasticity is not controlled by strain gradients or sub-structure hardening, but rather by dislocation source starvation, wherein smaller volumes are stronger because fewer sources of dislocations are available (dislocation starvation hardening).

Probing Crystal Plasticity at the Nanoscales

Probing Crystal Plasticity at the Nanoscales PDF Author: Arief Suriadi Budiman
Publisher: Springer
ISBN: 981287335X
Category : Technology & Engineering
Languages : en
Pages : 182

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Book Description
This Brief highlights the search for strain gradients and geometrically necessary dislocations as a possible source of strength for two cases of deformation of materials at small scales: nanoindented single crystal copper and uniaxially compressed single crystal submicron gold pillars. When crystalline materials are mechanically deformed in small volumes, higher stresses are needed for plastic flow. This has been called the "Smaller is Stronger" phenomenon and has been widely observed. studies suggest that plasticity in one case is indeed controlled by the GNDs (strain gradient hardening), whereas in the other, plasticity is not controlled by strain gradients or sub-structure hardening, but rather by dislocation source starvation, wherein smaller volumes are stronger because fewer sources of dislocations are available (dislocation starvation hardening).

Principles of Extreme Mechanics (XM) in Design for Reliability (DfR)

Principles of Extreme Mechanics (XM) in Design for Reliability (DfR) PDF Author: Arief Suriadi Budiman
Publisher: Springer Nature
ISBN: 9811567204
Category : Science
Languages : en
Pages : 254

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Book Description
This book addresses issues pertinent to mechanics and stress generation, especially in recent advanced cases of technology developments, spanning from micrometer interconnects in solar photovoltaics (PV), next-gen energy storage devices to multilayers of nano-scale composites enabling novel stretchable/flexible conductor technologies. In these cases, the mechanics of materials have been pushed to the extreme edges of human knowledge to enable cutting-edge, unprecedented functionalities and technological innovations. Synchrotron X-ray diffraction, in situ small-scale mechanical testing combined with physics-based computational modeling/simulation, has been widely used approaches to probe these mechanics of the materials at their extreme limits due to their recently discovered distinct advantages. The techniques discussed in this manuscript are highlights specially curated from the broad body of work recently reported in the literature, especially ones that the author had led the pursuits at the frontier himself. Extreme stress generation in these advanced material leads to often new failure modes, and hence, the reliability of the final product is directly affected. From the recent topics and various advanced case studies covered in this book, the reader gets an updated knowledge of how new mechanics can and has been applied in Design-for-Reliability (DfR) for some of the latest technological innovations known in our modern world. Further, this also helps in building better designs, which may avoid the pitfalls of the current practiced trends.

Crystal Indentation Hardness

Crystal Indentation Hardness PDF Author: Ronald W. Armstrong
Publisher: MDPI
ISBN: 3038429678
Category : Science
Languages : en
Pages : 335

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Book Description
This book is a printed edition of the Special Issue "Crystal Indentation Hardness" that was published in Crystals

Crystal Plasticity

Crystal Plasticity PDF Author: Wojciech Polkowski
Publisher: MDPI
ISBN: 3036508384
Category : Science
Languages : en
Pages : 438

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Book Description
The book presents a collection of 25 original papers (including one review paper) on state-of-the art achievements in the theory and practice of crystals plasticity. The articles cover a wide scope of research on materials behavior subjected to external loadings, starting from atomic-scale simulations, and a new methodological aspect, to experiments on a structure and mechanical response upon a large-scale processing. Thus, a presented contribution of researchers from 18 different countries can be virtually divided into three groups, namely (i) “modelling and simulation”; (ii) “methodological aspects”; and (iii) “experiments on process/structure/properties relationship”. Furthermore, a large variety of materials are investigated including more conventional (steels, copper, titanium, nickel, aluminum, and magnesium alloys) and advanced ones (composites or high entropy alloys). The book should be interested for senior students, researchers and engineers working within discipline of materials science and solid state physics of crystalline materials.

Crystal Plasticity Finite Element Methods

Crystal Plasticity Finite Element Methods PDF Author: Franz Roters
Publisher: John Wiley & Sons
ISBN: 3527642099
Category : Technology & Engineering
Languages : en
Pages : 188

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Book Description
Written by the leading experts in computational materials science, this handy reference concisely reviews the most important aspects of plasticity modeling: constitutive laws, phase transformations, texture methods, continuum approaches and damage mechanisms. As a result, it provides the knowledge needed to avoid failures in critical systems udner mechanical load. With its various application examples to micro- and macrostructure mechanics, this is an invaluable resource for mechanical engineers as well as for researchers wanting to improve on this method and extend its outreach.

Recent Advances in Fluorescent Probes for Super-Resolution Microscopy

Recent Advances in Fluorescent Probes for Super-Resolution Microscopy PDF Author: Chayan Kanti Nandi
Publisher: Frontiers Media SA
ISBN: 2889710718
Category : Science
Languages : en
Pages : 105

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Book Description


Comprehensive Nanoscience and Nanotechnology

Comprehensive Nanoscience and Nanotechnology PDF Author:
Publisher: Academic Press
ISBN: 012812296X
Category : Technology & Engineering
Languages : en
Pages : 1881

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Book Description
Comprehensive Nanoscience and Technology, Second Edition, Five Volume Set allows researchers to navigate a very diverse, interdisciplinary and rapidly-changing field with up-to-date, comprehensive and authoritative coverage of every aspect of modern nanoscience and nanotechnology. Presents new chapters on the latest developments in the field Covers topics not discussed to this degree of detail in other works, such as biological devices and applications of nanotechnology Compiled and written by top international authorities in the field

Mechanics and Physics of Solids at Micro- and Nano-Scales

Mechanics and Physics of Solids at Micro- and Nano-Scales PDF Author: Ioan R. Ionescu
Publisher: John Wiley & Sons
ISBN: 1786305313
Category : Science
Languages : en
Pages : 290

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Book Description
Chronicling the 11th US France Mechanics and physics of solids at macro- and nano-scales symposium, organized by ICACM (International Center for Applied Computational Mechanics) in Paris, June 2018, this book addresses the breadth of issues raised. It covers a comprehensive range of scientific and technological topics (from elementary plastic events in metals and materials in harsh environments to bio-engineered and bio-mimicking materials), offering a representative perspective on state-of-the-art research and materials. Expounding on the issues related to mesoscale modeling, the first part of the book addresses the representation of plastic deformation at both extremes of the scale between nano- and macro- levels. The second half of the book examines the mechanics and physics of soft materials, polymers and materials made from fibers or molecular networks.

Engineering Plasticity from Macroscale to Nanoscale

Engineering Plasticity from Macroscale to Nanoscale PDF Author: Liang Chi Zhang
Publisher: Trans Tech Publications Ltd
ISBN: 3035704074
Category : Technology & Engineering
Languages : en
Pages : 907

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Book Description
AEPA 2002 Proceedings of the 6th Asia-Pacific Symposium on Engineering Plasticity and Its Applications, Sydney, Australia, December 2-6, 2002

Engineering Plasticity and Its Applications from Nanoscale to Macroscale

Engineering Plasticity and Its Applications from Nanoscale to Macroscale PDF Author: Hoon Huh
Publisher: World Scientific
ISBN: 9814261564
Category : Technology & Engineering
Languages : en
Pages : 925

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Book Description
The primary objective of the Asia-Pacific Conference on Engineering Plasticity and Its Applications (AEPA) is to provide a free forum for exchanging ideas and introducing the latest research findings in the field of engineering plasticity. This conference is unique among the related conferences in that it provides a forum for all fields of plasticity so that multi-disciplinary research works are encouraged. This proceedings volume consists of papers presented at AEPA2008, and covers the following categories in all fields of engineering plasticity: constitutive modeling; damage, fracture, fatigue and failure; dynamic loading and crash dynamics; engineering applications and case studies; experimental and numerical techniques; molecular dynamics; nano, meso, micro and crystal plasticity; phase transformations; plastic instability and strain localization; plasticity in advanced materials; plasticity in materials processing technology; plasticity in tribology; porous, cellular and composite materials; structural plasticity; superplasticity; and time-dependent deformation. Ranging from nanoscale to macroscale applications of engineering plasticity, this book touches upon fields as diverse as mechanical engineering, materials science, physics, chemistry and civil engineering.