Search results for: shape memory polymers

• Shape-Memory Polyurethane Polymers

  Publication

  • M. Strankowski
  • P. Anju
  • A. Reghunadhan

  - ACS SYMPOSIUM SERIES - Year 2021

  Polyurethanes (PUs) are one of the most widely used polymers in research and industry. They can be synthesized from chemical sources and natural sources. PUs are a very useful class of polymers and exhibit many desirable properties that can be exploited in various applications. PUs are formed by the reaction between polyols and isocyanates. A wide variety of polyols and isocyanates are available for synthesis, and hence we can...

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• Self-healing and shape memory polymers

  e-Learning Courses

  • J. Haponiuk

  The course "Self-Healing and Shape Memory Polymers" is a specialized elective designed for Chemical Engineering PhD students. This advanced course delves into the innovative realms of self-healing materials and shape memory polymers (SMPs), representing a significant breakthrough in material science and engineering. Throughout the course, students learn about the problems of failure of polymeric materials and explore the fundamental...

• Shape Memory Materials from Rubbers

  Publication

  • A. Reghunadhan
  • P. Jibin
  • V. Kaliyathan
  • P. Velayudhan
  • M. Strankowski
  • S. Thomas

  - Materials - Year 2021

  Smart materials are much discussed in the current research scenario. The shape memory effect is one of the most fascinating occurrences in smart materials, both in terms of the phenomenon and its applications. Many metal alloys and polymers exhibit the shape memory effect (SME). Shape memory properties of elastomers, such as rubbers, polyurethanes, and other elastomers, are discussed in depth in this paper. The theory, factors...

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• Emissivity Measurements on Shape Memory Alloys

  Publication

  • T. C.
  • M. V.
  • E. P.
  • F. C.
  • T. da Silva

  - Year 2016

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• Application of Shape Memory Alloys in Pipeline Couplings for Shipbuilding

  Publication

  • L. Matuszewski

  - Polish Maritime Research - Year 2020

  The aim of the study is to analyse shape memory alloy (SMA) pipeline joints in limited space applications for all kinds of ships. Generally, the space available in various areas on ships is strictly limited and service works usually meet many obstacles. If we consider a pipeline, the flange joints always require a larger free space around the pipe than the pipe alone. A simultaneous problem can occur with the propeller shaft line...

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• EXPERIMENTAL EVALUATION OF THE EMISSIVITY OF A NITI SHAPE MEMORY ALLOY

  Publication

  • . Tadeu
  • . Edson
  • T. da Silva

  - Year 2015

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• Underwater robot actuated by shape memory alloy wires

  Publication

  • G. Rożnowski

  - Year 2006

  W pracy przedstawiono koncepcję projektu robota podwodnego z napędem wykorzystującym materiały SMA ze stopów z pamięcią kształtu. Rozpatrywany układ ma budowę modułową złożoną z segmentów na podobieństwo do anatomicznej budowy dżdżownicy. Pojedyńczy segment składa się z dwóch okrągłych tarcz, pomiędzy którymi umieszczono balon wypełniony wodą. Wielkość balonu jest dopasowana w taki sposób do rozmiarów tarcz oraz długości sprężyn...

• Cryogenic Treatment Effect on Cyclic Behavior of Ni54Ti46 Shape Memory Alloy

  Publication

  • T. da
  • E. da

  - Shape Memory and Superelasticity - Year 2021

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• Interrelated shape memory and Payne effect in polyurethane/graphene oxide nanocomposites

  Publication

  • D. Ponnamma
  • K. K. Sadasivuni
  • M. Strankowski
  • P. Moldenaers
  • S. Thomas
  • Y. Grohens

  - RSC Advances - Year 2013

  We report the fabrication of graphene oxide (GO) based polyurethane (PU) nanocomposites by a simple method of mixing and their shape memory properties at different temperatures. Both the polymer and the filler were synthesized in the laboratory by simple and easy methods – PU by pre-polymer method and GO by improved graphene oxide synthesis method. High molecular level dispersion of GO platelets within the PU matrix and thus good...

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• The design of the prosthetic index finger actuated by shape memory alloy wires

  Publication

  • G. Rożnowski
  • M. Drzewiecki

  - Year 2004

  Zaprezentowano projekt palca wskazującego protezy ręki, w którym poszczególne człony napędzane są za pomocą niekonwencjonalnych efektorów - stopów metali z pamięcią kształtu (SMA - NiTi).