학술논문
Fabriation of tactile pins for reaction force variable passive type tactile displays using high formable shape memory alloys / Ti-Ni-Cu高成形性形状記憶合金を用いた，反力可変受動形触覚ディスプレイ用触知ピンの作製
Document Type
Journal Article
Author
Source
The Proceedings of Mechanical Engineering Congress, Japan. 2020, :22210
Subject
Language
Japanese
ISSN
2424-2667
Abstract
We reported on the fabrication of tactile pins for reaction force variable passive type tactile displays using Ti-Ni-Cu high formable shape memory alloys. These devices take advantage of the temperature controllability of the resilience of the superelasticity effect and present hardness and softness tactile sensation. After the tactile pins being formed into three-dimensional shape by viscous flow of metallic glasses, they became shape memory alloys by annealing for crystallization. The height of tactile pin formed by conventional method was about 110 μm. However, when tactile pin was pushed by the finger, it was insufficient deformation for the stable superelasticity effect to appear. Therefore, we attempted to increase the height of tactile pin by the improving deformation method using rapidly temperature raising during forming for decreasing viscosity of metallic glasses. As a result, we successfully increased the height of tactile pin to 237 μm.