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Corrosion avoidance in lightweight materials for automotive applications

vehicles, while electric vehicles require a different approach to design and build. All the aforementioned factors have a significant impact on materials selection and usage, and corrosion is a vital ... . To meet structural integrity requirements, conventional and newly developed joining techniques have been applied, including the extensive use of adhesives. Fig. 1 Mixed materials BIW for Chevrolet

Use the results of measurements on KBR facility for testing of neutron data of main structural materials for fast reactors

reflectors was observed. C/E results obtained with the modified ROSFOND library for complex benchmark models that are highly sensitive to the cross sections of structural materials are no worse than results ... the KBR critical facility at the Institute of Physics and Power Engineering (IPPE), Obninsk, Russia during the 1970s and 80s to study neutron absorption properties of the basic structural materials of

Mechanics of Energy Materials

energy materials hold the key to fundamental advances in the conversion, storage, and harvesting of energy for a broad range of consumer electronics, automotive, aerospace, and defense applications. The ... successful development and deployment of these materials rely critically on a fundamental understanding of strongly coupled multiphysics phenomena. Mechanics of energy materials has emerged as a rapidly

Mixed Layers in Copper Based Superconducting Materials

ordered substitution of carbon for copper in the 123 matrix. The different families of superconducting materials which are generated by such mechanisms are described as well as the way the different species ... structure AMO3_x is one of the most fascinating frameworks. Its great flexibility and Article available at http://mmm.edpsciences.org or http://dx.doi.org/10.1051/mmm:1996109 adaptability to other structural

Valleytronics in thermoelectric materials

The central theme of valleytronics lies in the manipulation of valley degree of freedom for certain materials to fulfill specific application needs. While thermoelectric (TE) materials rely on ... extended to the TE field to include strategies for enhancing TE performance by engineering band structures. This review focuses on the recent progress in TE materials from the perspective of valleytronics

Structural Damage Detection Using Energy Flow Models

nucleation and growth increase structural damping which makes this phenomenon useful as a damage locator. This paper examines the energy flow patterns caused by localized damping in rods, beams and plates ... Journal of Aerospace Engineering [1] D. Montalva ˜o, N.M.M. Maia and A.M.R. Ribeiro , A Review of Vibration-based Structural Health Monitoring with Special Emphasis on Composite Materials, The Shock and

Chloride Penetration in Lightweight Aggregate Mortars Incorporating Supplementary Cementing Materials

), of mortars containing SCM, at 28 days. The resistance to chloride ion penetration is an important aspect that needs a better definition in structural materials. It is generally accepted that mineral ... ]. Since it is well known that there are practical and technical benefits of using lightweight aggregate concrete, it has been successfully investigated for structural purposes, for many years [12

Tissue Anisotropy Modeling Using Soft Composite Materials

current work, novel elastomer-based soft composite materials were developed in the form of experimental test coupons, to model the macroscopic anisotropy in tissue mechanical properties. A soft elastomer ... , and enable the development of biofidelic anisotropic tissue phantom materials for various tissue engineering and testing applications. 1. Introduction Soft tissues in the human body, namely, the skin

Stiff auxetics: Hierarchy as a route to stiff, strong lattice based auxetic meta-materials

, allows for the analysis of hierarchically sub-structured lattices where direct computation would prove intractable. We show that through hierarchy one can create ultra-lightweight auxetic meta-materials of ... ensure convergence of the results. The stiffness of the meta-materials was established (Fig. 3) using the 2-d structural mechanics module utlising Euler-Bernoulli beam elements. Stationary studies were

Preparation of functionalized protein materials assisted by mechanochemistry

find future applications in various devices for light emission. In addition, we demonstrate that the anticancer drug camptothecin can be incorporated into protein nanofibrils giving materials that can ... protein nanofibrils giving materials that can find application as drug delivery agents. Introduction Mechanochemistry has been used since prehistoric times, and it continues to be important in both

A hybrid invisibility cloak based on integration of transparent metasurfaces and zero-index materials

. In this work, by integrating the wavefront tailoring functionality of transparent metasurfaces and the wave tunneling functionality of zero-index materials, we have realized a unique type of hybrid ... capabilities of reflection-type metasurfaces. Zero-index materials (ZIMs)39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55, that is, metamaterials with a near-zero-refractive index, offer extraordinary wave

Molecular perovskite high-energetic materials

explosive, was discovered by ancient Chinese in the seventh century, people have been finding powerful, stable, reliable and low-cost energetic materials for military equipment and civil industry. To obtain a ... octanitrocubane (ONC) (Fig. S1). Loading more nitro groups and higher structural tension into a single molecule does improve explosive performance, but usually leads to complicated and not cost-effective synthetic

Non-Dissipative Structural Evolutions in Granular Materials

have been compared with DEM simulations which verify the accuracy of the proposed scheme. 1 Introduction The internal structure of jammed granular materials can change under external loading according ... network topology due to contact gain and loss events. These events do not contribute to overall strain, nor do they dissipate energy. However, such structural alterations are irreversible and the previous

Prior for Structural Materials

The construction of a library containing prior cross sections and related covariance matrices for nine frequently measured reaction channels of 276 structural materials from 1 to 150 MeV is presented ... . In this contribution, we present a library with prior sets for 276 isotopes relevant for structural materials. The prior cross sections were calculated with programs of TALYS1.0 and TALYS1.2 [ 4

Evaluation of thermodynamic equations of state across chemistry and structure in the materials project

a wide range of fields including geophysics, energy storage and development of novel materials. Despite over a century of theoretical development and experimental testing of energy–volume (E–V) EOS ... it is a metal, insulator, or semiconductor, nor the bulk modulus for any of the EOS, indicating that a single equation can be used across a broad range of classes of materials. Introduction

Measurement of third-order elastic constants and applications to loaded structural materials

transducer to the surface of the specimen, and in having good temperature control during the measurements to obtain precise data. As a result, the stress at various sites in the structural materials could be ... order elastic constants When the third-order elastic constants are a priori obtained for the structural materials, the stress situation in various sites in the material can be estimated by measuring the

Failure of structural elements made of polymer supported composite materials during the multiyear natural aging

problems. Polymer building materials are used as substitutes for materials such as brick, concrete, metal, wood and glass, and in addition to traditional materials. Plastic materials are light, can be formed ... represented as a figure, which is equally inclined to the principal axes according to equation (9). G.S. Pisarenko offered the condition for materials with structural heterogeneity + (1 − ) 1 1− = , (10) where

Failure of structural elements made of polymer supported composite materials during the multiyear natural aging

problems. Polymer building materials are used as substitutes for materials such as brick, concrete, metal, wood and glass, and in addition to traditional materials. Plastic materials are light, can be formed ... represented as a figure, which is equally inclined to the principal axes according to equation (9). G.S. Pisarenko offered the condition for materials with structural heterogeneity + (1 − ) 1 1− = , (10) where

Structural changes of selected materials for glass industry after thermal loading

The presented paper is focused on study and investigation of structural changes in relation to the selected materials which are exposed to the thermal loading. The given work is connected with closer ... MATEC Web of Conferences Structural changes of selected for glass industry after thermal loading materials Františka Pešlová 1 Mariana Janeková 1 Stanislav Krum 0 Reviewers: Eva Tillová, Ján Vavro 0

Liquid Crystals as Phase Change Materials for Thermal Stabilization

Thermal stabilization exploiting phase change materials (PCMs) is studied theoretically and numerically. Using the heat source approach in numerical simulations, we focus on phase change temperature ... must regulate heat flow using different heating or cooling systems, which are usually large energy consumers. Recently, several studies [1–5] focused on the development of innovative materials to