Nickel-free austenitic stainless steels for medical applications
Open Access
- 1 February 2010
- journal article
- review article
- Published by Informa UK Limited in Science and Technology of Advanced Materials
- Vol. 11 (1), 014105
- https://doi.org/10.1088/1468-6996/11/1/014105
Abstract
The adverse effects of nickel ions being released into the human body have prompted the development of high-nitrogen nickel-free austenitic stainless steels for medical applications. Nitrogen not only replaces nickel for austenitic structure stability but also much improves steel properties. Here we review the harmful effects associated with nickel in medical stainless steels, the advantages of nitrogen in stainless steels, and emphatically, the development of high-nitrogen nickel-free stainless steels for medical applications. By combining the benefits of stable austenitic structure, high strength and good plasticity, better corrosion and wear resistances, and superior biocompatibility compared to the currently used 316L stainless steel, the newly developed high-nitrogen nickel-free stainless steel is a reliable substitute for the conventional medical stainless steels.Keywords
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