Publication

"The Unbearable Lightness of the Cube": Using SMA to Express Lightness, Movement and Memory in Sculptures

2008
Conference Papers

Abstract

Shape Memory Alloys (SMA) have been used in sculptures for quite some time. But only very few of these sculptures have gone on to earn wide recognition, mainly because the working conditions of the SMA must be carefully respected when sculptures are made. If they are not, the sculpture is bound to fail after a short time. Swiss artist Etienne Krahenbuhl was able to avoid such failure in his sculptures by maintaining a strong collaboration with Rolf Gotthardt, physicist at the EPFL (Ecole Polytechnique Federale de Lausanne). In his sculptures, the apparently low modulus of super-elastic material permits very smooth movement, and in a few cases the shape memory effect allows unexpected changes. In this paper, some of the results of a 9-year collaboration between the physicist and the sculptor will be shown.

Official source

https://infoscience.epfl.ch/entities/publication/6b1e5715-33fd-4db3-9ce4-4a137e9eaed0

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2008
Conference Papers

Abstract

Official source

https://infoscience.epfl.ch/entities/publication/6b1e5715-33fd-4db3-9ce4-4a137e9eaed0

About this result

Related concepts (9)

Shape-memory alloy

In metallurgy, a shape-memory alloy (SMA) is an alloy that can be deformed when cold but returns to its pre-deformed ("remembered") shape when heated. It is also known in other names such as memory metal, memory alloy, smart metal, smart alloy, and muscle wire. The "memorized geometry" can be modified by fixating the desired geometry and subjecting it to a thermal treatment, for example a wire can be taught to memorize the shape of a coil spring.

Working memory

Working memory is a cognitive system with a limited capacity that can hold information temporarily. It is important for reasoning and the guidance of decision-making and behavior. Working memory is often used synonymously with short-term memory, but some theorists consider the two forms of memory distinct, assuming that working memory allows for the manipulation of stored information, whereas short-term memory only refers to the short-term storage of information.

Encoding (memory)

Memory has the ability to encode, store and recall information. Memories give an organism the capability to learn and adapt from previous experiences as well as build relationships. Encoding allows a perceived item of use or interest to be converted into a construct that can be stored within the brain and recalled later from long-term memory. Working memory stores information for immediate use or manipulation, which is aided through hooking onto previously archived items already present in the long-term memory of an individual.

Related publications (8)

"The Unbearable Lightness of the Cube": Using SMA to Express Lightness, Movement and Memory in Sculptures

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Synthesis of Novel Integrated Actuators Powered by Shape Memory Alloys

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