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Product Development With Shape Memory Alloys

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Product Development With Shape Memory Alloys
Product Development With Shape Memory Alloys

Video: Product Development With Shape Memory Alloys

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Drive elements based on shape memory alloys (SMA) offer new technical possibilities that are far superior to conventional solutions in terms of weight, size, functionality and power density. They already represent a key technology with new fields of application in many industries, such as B. in the automotive industry, in medical and environmental technology, or in micro cameras for smartphones. The new guideline VDI 2248 Part 1 describes the basics and already implemented applications and defines a uniform terminology in the entire area of ​​shape memory technology.

Drive technology for precision engineering

Precision engineering systems require smaller and smaller drives. However, the miniaturizability of conventional drives, such as electric motors, has reached its limits. In this sense, shape memory alloys (SMA) represent an alternative to conventional drives. SMA can remember their previously impressed original shape after deformation. The initial shape is stamped in advance by an annealing process. In addition to the small size and simple construction, FGL also offer the advantage of low weight, clean room suitability and very good electromagnetic compatibility. This drive technology should therefore offer ideal conditions for use in precision engineering.

Additional sheets of the policy are planned for 2017

The VDI 2248 series of guidelines is intended to support the user in the material design and functional design of technical solutions with SMA. Sheet 2, also published in January, is used to select materials when using SMA. It offers developers, manufacturers and users of electronic components an overview of SMA, the associated manufacturing processes and specifications in the area of ​​alloy nomenclature. In the course of 2017, the VDI Society for Product and Process Design (GPP) will publish three more sheets of the guideline on the subjects of test and measurement methods, simulation and model development, as well as rules and examples for the development of actuators.

The target group of the guideline are cross-sector product planners and product developers in production companies, as well as providers of corresponding materials, testing institutes and design service providers.

Editor of the guideline VDI 2248 Part 1 “Product development with shape memory alloys (FGL); Fundamentals and application examples”as well as sheet 2“Material selection and nomenclature”is the VDI Society for Product and Process Design (GPP). The guidelines are now available from Beuth Verlag as drafts for EUR 62.60 (sheet 1) or EUR 77.80 (sheet 2). VDI members receive a 10% price advantage with all VDI guidelines. The opportunity to help shape the guidelines through statements is available by using the electronic opposition portal. The opposition period ends on April 30, 2017. (sh)

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