Issue 12, 2023

A review of the corrosion behavior of conventional and additively manufactured nickel–aluminum bronze (NAB) alloys: current status and future challenges

Abstract

The growing demand for materials with exceptional corrosion resistance and mechanical properties in the aerospace and ocean industries has led to increased research interest in versatile alloys like nickel–aluminum bronze (NAB). NABs exhibit excellent corrosion performance due to the formation of a protective, duplex corrosion product film on the surface, which is largely influenced by their complex microstructure. While NABs are typically produced as cast or wrought products, the emergence of additive manufacturing (AM) technologies has enabled 3D printing of near-net-shape NABs with intricate geometries. This paper provides a critical review of the corrosion properties, passivity, and microstructural characteristics of conventionally produced and AMed NAB alloys, as well as the fundamental mechanisms governing their corrosion behavior under varying conditions. Additionally, it highlights the current research gap and unprecedented challenges associated with the corrosion behavior of traditional and AMed NABs.

Graphical abstract: A review of the corrosion behavior of conventional and additively manufactured nickel–aluminum bronze (NAB) alloys: current status and future challenges

Article information

Article type
Review Article
Submitted
21 jun 2023
Accepted
26 sep 2023
First published
27 sep 2023

Mater. Horiz., 2023,10, 5391-5435

A review of the corrosion behavior of conventional and additively manufactured nickel–aluminum bronze (NAB) alloys: current status and future challenges

K. Morshed-Behbahani, D. P. Bishop and A. Nasiri, Mater. Horiz., 2023, 10, 5391 DOI: 10.1039/D3MH00951C

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