Materials Literature
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e caracterização molecular de sua PHA sintase [dissertação (Mestrado em Biotecnologia)].São Paulo: Instituto de Ciências Biomédicas da Universidade de São Paulo; 2011.Um total de 1.520 bactérias isoladas a partir de amostras de lodo de esgoto doméstico e de solo de área preservada foi avaliado para a produção de polih…
This chapter contains sections titled: Introduction Materials and Experiments Tribological Properties of TiB2–MoSi2 Ceramics Tribological Properties of TiB2–TiSi2 Ceramics Closing Remarks References
We have described here the design and operation of an automated ac susceptibility set up using a closed cycle helium refrigerator. This set up is useful for measuring linear and nonlinear magnetic susceptibilities of various magnetic materials. The working temperature range is 2 K to 300 K. The overall sensitivity of…
This chapter contains sections titled: Introduction Materials and Experiments Friction of Self-Mated Y-TZP Material in LN2 Cryogenic Wear of Zirconia Cryogenic Sliding-Induced Zirconia Phase Transformation Wear Mechanisms of Zirconia in LN2 Concluding Remarks References
This chapter contains sections titled: Background Designing a High-Speed Cryogenic Wear Tester Summary of Results Obtained with Ductile Metals Summary References
This chapter contains sections titled: Environmental Influence on Properties of Engineering Ceramics Classification and Engineering of Ceramic Materials References
This chapter contains sections titled: Emergence of MAX Phases Classification of MAX Phases Damage Tolerance of MAX Phases Wear of Ti3SiC2 MAX Phase Concluding Remarks References
This chapter contains sections titled: Theory of Brittle Fracture Cracking in Brittle Materials Definition and Measurement of Basic Mechanical Properties Toughening Mechanisms Closing Remarks References
Le confinement quantique dans le silicium, sous forme de boîtes quantiques de silicium de diamètre 5 nm, permet de contrôler le bandgap et donc l'émission de lumière. Cette ingénierie du bandgap des nanocristaux de silicium est utile pour les applications photovoltaïques avancées et présente l'avantage de conserver la…
This chapter contains sections titled: Introduction Classification of Wear Mechanisms Closing Remarks References
A system of a parabolic partial differential equation coupled with ordinary differential inclusions that arises from a closed-loop control problem for a thermodynamic process governed by the Allen-Cahn diffusion reaction model is studied. A feedback law for the closed-loop control is proposed and implemented in the ca…
This chapter contains sections titled: Introduction The Beta Amyloid Precursor Protein (APP) and Beta Amyloid (Aβ) Peptide The Presenilins (PSs) The Amyloid Cascade Hypothesis Alternative Hypotheses Future Treatments for AD References
This chapter contains sections titled: Introduction Definition and Classification of Ceramics Properties of Structural Ceramics Applications of Structural Ceramics Closing Remarks References
Zarechnaya et al. claimed an isostructural transformation in gamma-B28 at about 40 GPa; below which the phase is more compressible (B0=227 GPa) and above which less compressible (B0=281 GPa) than in previous experiments or theory. Here we wish to point out some interesting questions related to these claims. Summarizin…
O presente trabalho pretende investigar os mecanismos de desenvolvimento estrutural do PET e nanocompósitos de PET, durante a aplicação de deformações uniaxiais. São objectivos de trabalho estudar: • a influência estatística das variáveis de estiramento no desenvolvimento estrutural do PET em deformações efectuados a…
This chapter contains sections titled: Materials Classification Historical Perspective; Definition and Classification of Ceramics Properties of Structural Ceramics Applications of Structural Ceramics References
Industrially, metal/polymer adhesion is involved in a wide range of industries such as automotive industry, or aeronautic and electronic applications. Polyurethanes (PU) are frequently used as structural adhesives, and are based from polyols obtained from petrochemical products (polyester and polyether polyols). Howev…
This chapter contains sections titled: Introduction Transformation Characteristics of Tetragonal Zirconia Phase Equilibria and Microstructure Transformation Toughening Stabilization of Tetragonal Zirconia Production and Properties of Y-TZP Ceramics Different Factors Influencing Transformation Toughening Additional Tou…
L augmentation de la densité et la réduction de la tension d alimentation des circuits intégrés rend la contribution des effets singuliers induits par les radiations majoritaire dans la diminution de la fiabilité des composants électroniques aussi bien dans l environnement radiatif spatial que terrestre. Cette étude p…
This chapter contains sections titled: Introduction Classification Thermodynamic Driving Force Solid-State Sintering Competition between Densification and Grain Growth Liquid-Phase Sintering Important Factors Influencing the Sintering Process Powder Metallurgical Processes References