Abstract
PurposeThe purpose of this paper is to present short characteristics of shape memory alloys (SMA) and shape memory polymers (SMP) and some examples of application of these materials in industrial sealing technology.Design/methodology/approachIn this paper, short characteristic of shape memory materials and design examples of applying them in industrial sealing technology such as: tube coupling in hydraulic systems, flanged pipe connections, lip radial seal, mechanical face seal, soft gland packing, magnetic fluid seal, and in bearing seal system for drill bit, are given.FindingsThe paper provides information about innovative fluid seal designs based on particular properties of the shape memory materials, applied in stationary joints, and rotary equipments. These new solutions provide often to simplify seal design, their miniaturization, increase of tightness, and reduction of operating costs.Originality/valueThis paper offers some new fluid seal designs based on the shape memory materials and their practical application in industrial sealing technology.
Subject
Surfaces, Coatings and Films,General Energy,Mechanical Engineering
Reference28 articles.
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