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000140868 005__ 20240708132716.0
000140868 037__ $$aFZJ-2013-06105
000140868 1001_ $$0P:(DE-Juel1)129591$$aBram, Martin$$b0$$eCorresponding author$$ufzj
000140868 1112_ $$aIntermetallics$$cKloster Banz$$d2013-09-30 - 2013-10-04$$wGermany
000140868 245__ $$aPowder metallurgical production of NiTi parts with fully expressed shape memory properties
000140868 260__ $$c2013
000140868 3367_ $$0PUB:(DE-HGF)6$$2PUB:(DE-HGF)$$aConference Presentation$$bconf$$mconf$$s1387357589_24740$$xOther
000140868 3367_ $$033$$2EndNote$$aConference Paper
000140868 3367_ $$2DataCite$$aOther
000140868 3367_ $$2ORCID$$aLECTURE_SPEECH
000140868 3367_ $$2DRIVER$$aconferenceObject
000140868 3367_ $$2BibTeX$$aINPROCEEDINGS
000140868 520__ $$aWithin the last years, shape memory alloys based on NiTi gained increasing interest especially for biomedical applications and actuators. Powder metallurgy is an attractive production method which enables manufacturing of near-net-shaped NiTi components with complex geometries, while keeping material losses during processing at a minimum. As starting materials, pre-alloyed NiTi powders are favoured over elemental Ni and Ti powder mixtures if aiming on single-phased microstructures after sintering. In this work, P/M manufacturing of complex-shaped NiTi components with fully expressed shape memory properties is described in detail. Metal injection moulding (MIM) was preferentially used for net-shaping. Prototypes of biomedical foot staple and orthodontic brackets were produced to demonstrate potential of this technology for NiTi alloys. Optionally, functional macro porosity up to 50 vol. % was achieved by introduction of temporary space holder particles, which is quite promising e.g. for bone implants or damping applications. As reference, NiTi components free of pores were produced by hot isostatic pressing (HIP). The paper provides a detailed description of relationship between P/M processing conditions and resulting mechanical and shape memory properties.
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000140868 7001_ $$0P:(DE-Juel1)140492$$aBitzer, Martin$$b1$$ufzj
000140868 7001_ $$0P:(DE-Juel1)129666$$aStöver, Detlev$$b2$$ufzj
000140868 7001_ $$0P:(DE-Juel1)129594$$aBuchkremer, Hans Peter$$b3$$ufzj
000140868 909CO $$ooai:juser.fz-juelich.de:140868$$pVDB
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000140868 9101_ $$0I:(DE-588b)5008462-8$$6P:(DE-Juel1)129594$$aForschungszentrum Jülich GmbH$$b3$$kFZJ
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000140868 9141_ $$y2013
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