A review of shape memory alloy research, applications and opportunities

Singular Integral Equations. By N.I. Muskhelishvili. Translated fromthe 2nd Russian edition by J.R.M. Radok. Pp. 447. F1. 28.50. 1953. (Noordhoff, Groningen)

This Review focuses on noncovalent functionalization of graphene and graphene oxide with various species involving biomolecules, polymers, drugs, metals and metal oxide-based nanoparticles, quantum dots, magnetic nanostructures, other carbon allotropes (fullerenes, nanodiamonds, and carbon nanotubes), and graphene analogues (MoS2, WS2). A brief description of π–π interactions, van der Waals forces, ionic interactions, and hydrogen bonding allowing noncovalent modification of graphene and graphene oxide is first given. The main part of this Review is devoted to tailored functionalization for applications in drug delivery, energy materials, solar cells, water splitting, biosensing, bioimaging, environmental, catalytic, photocatalytic, and biomedical technologies. A significant part of this Review explores the possibilities of graphene/graphene oxide-based 3D superstructures and their use in lithium-ion batteries. This Review ends with a look at challenges and future prospects of noncovalently modified graph...

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Noncovalent Functionalization of Graphene and Graphene Oxide for Energy Materials, Biosensing, Catalytic, and Biomedical Applications

Shape-memory polymers and their composites: Stimulus methods and applications

Along with extensive research on the three-dimensional (3D) printing of polymers and metals, 3D printing of ceramics is now the latest trend to come under the spotlight. The ability to fabricate ceramic components of arbitrarily complex shapes has been extremely challenging without 3D printing. This review focuses on the latest advances in the 3D printing of ceramics and presents the historical origins and evolution of each related technique. The main technical aspects, including feedstock properties, process control, post-treatments and energy source–material interactions, are also discussed. The technical challenges and advice about how to address these are presented. Comparisons are made between the techniques to facilitate the selection of the best ones in practical use. In addition, representative applications of the 3D printing of various types of ceramics are surveyed. Future directions are pointed out on the advancement on materials and forming mechanism for the fabrication of high-performance ceramic components.

3D printing of ceramics: A review

This presentation cover s the fabrication ; characterization and potential application of electro activate shape memory polymer (SMP) containing multi -walled carbon nanotubes (MWCNTs) , hybrid fillers of carbon black (CB) and short carbon fiber (SCF) , and magnetic Ni power . The electrical conductivity of 8 wt% MWNTs composite is 1.25 ×10 -2 S/cm with dim ension of 8.0 cm × 2.0 cm × 0.2 cm rectangle sheet, it can be triggered by passing an electrical current with a constant voltage of 200 V. While, t he electrical conductivity of the composite , containing 5 wt% CB and 2 wt % SCF , reaches to 3 S/cm . Their shap e recovery can be induced by passing an electrical current of 25 V voltages . SMP filled with 10 vol % Ni, induced by 20 V. Then t emperature -dependent resistivity test is done to investigate the thermo -sensitive effects in conducting polymer composite , and it show s a classical negative temperature coefficient (NTC) effect ranged from 70 o C to 90 o C. Thus smart thermal sensor using conducting SMP composite can be realized through resistivity change.

Shape Memory Nanocomposite and Its Application

https://journals.sagepub.com/doi/pdf/10.1177/096369359600500203

Shanyi Du

Papers

Shape Memory Nanocomposite and Its Application

Effective Elastic Properties of 3D Carbon-Carbon Composites at High Temperature