2. Choice of material

The choice of material in the context of 3D printing depends on the use of the product and the needs of the customer. Materials are generally classified according to their family (metals, polymers and ceramics, see table 3 ) and, even if the chemical composition of the same starting material is identical, the parts obtained by additive manufacturing from this material may have different mechanical characteristics depending on the physical state and characteristics of their raw materials (solid filament, liquid bath and powder) and therefore on the technologies used. During manufacture, material- and technology-specific geometry adjustments can be made to meet the specifications and repeatability of the

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Bibliography

(1) - HORN (T.J.), HARRYSSON (O.L.A.) - Overview of current additive manufacturing technologies and selected applications. - Science Progress (2012).
(2) - BARCLIFT (M.W.), WILLIAMS (C.B.) - Examining variability in the mechanical...

Standards and norms

D11 Committee: Test Method for Rubber Property – Durometer Hardness, ASTM International - ASTM - 2017
Standard Specification for Wrought Titanium-6 Aluminum-4 Vanadium ELI (Extra Low Interstitial) Alloy for Surgical Implant Applications (UNSR56041), ASTM International - ASTM F136-08 - 2014
Standard Specification for Wrought 18Chromium-14Nickel-2.5Molybdenum Stainless Steel Bar and Wire for Surgical Implants...

Regulations

EU 2017/745 – Regulation (EU) 2017/745 of the European Parliament and of the Council of 5 April 2017 concerning medical devices, amending Directive 2001/83/EC, Regulation (EC) No 178/2002 and Regulation (EC) No 1223/2009 and repealing Council Directives 90/385/EEC and 93/42/EEC (2017)