منابع مشابه
Spontaneous and deterministic three-dimensional curling of pre-strained elastomeric bi-strips†
Three dimensional curls (‘‘hemi-helices’’) consisting of multiple, periodic and alternating helical sections of opposite chiralities, separated by perversions, are one of a variety of complex shapes that can be produced by a simple generic process consisting of pre-straining one elastomeric strip, joining it side-by-side to another and then releasing the bi-strip. The initial wavelength of the ...
متن کاملPhotoinduced curling of organic molecular crystal nanowires.
Materials that transform light into mechanical motion are interesting from both fundamental and technological perspectives. Photomechanical materials usually consist of photoreactive molecules assembled in an ordered matrix, for example a liquid crystal polymer. The use of molecular crystals as photomechanical materials is challenging, since strain between reacted and unreacted crystal phases o...
متن کاملCongenital pseudarthrosis and bowing of the fibula.
The purpose of this paper is to describe experience with four children who presented with bowing or pseudarthrosis of the fibula. These children demonstrate a gradation in the severity and significance of this condition. There may be : 1) fibular bowing without fibular pseudarthrosis (Case 1); 2) fibular pseudarthrosis without ankle deformity (Case 2); 3) fibular pseudarthrosis with ankle defor...
متن کاملFatigue and Anisotropic behaviours of cold rolled AA1200 Aluminium Alloy
This study examines the fatigue and anisotropy behaviour of cold rolled AA1200 aluminium alloy for light weight automotive connecting rod application. Aluminium (Al) 1200 ingots were melted at temperature of 680 0C (after one hour of heating) cast in sand mould and cast samples homogenized for 6 hrs at 480 0C. The cold rolling process was carried out after homogenisation for 10, 20, 30, 40 and ...
متن کاملA Curling Shot Tracking Program
We present an algorithm for tracking the position of a curling stone from broadcast footage of curling events. Due to the constant panning of the camera in addition to perspective changes in the image, this introduces a need for image rectification and tracking of the camera view on the ice. We break the algorithm in four distinct components: rectification, frame tracking, stone tracking, and l...
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ژورنال
عنوان ژورنال: Transactions of the Japan Institute of Metals
سال: 1963
ISSN: 0021-4434,2432-4701
DOI: 10.2320/matertrans1960.4.124