Manufacturing & Industrial Engineering Faculty Publications

Document Type

Article

Publication Date

10-2026

Abstract

Additive Manufacturing (AM) is a cutting-edge technique utilized for the precise manufacturing of complex components made from a variety of material compositions. Although AM, generally, produces a better surface finish than traditional subtractive methods, additional post-processing is required to attain the desired surface characteristics. One commonly used AM material is 17-4PH stainless steel, which is majorly employed in modern industries like aerospace, marine, petroleum, chemical, medical, and firearms due to its superior physical and chemical properties compared to other stainless steels. Surface finish of additively fabricated 17-4PH stainless steel can be further improved using various finishing techniques. This study presents the results of a hybrid finishing approach, combining chemical machining and magnetic abrasive finishing (MAF), implemented to additively fabricated 17-4PH stainless steel. The influence of three key process parameters during chemical machining was investigated, while MAF parameters were held constant. Experimental results show that the sequential use of these two processes significantly enhances surface quality by reducing surface roughness (Ra) from range 2.06-2.42 µm to range 0.09-0.91 µm.

Comments

© 2026 The Author(s). Published by Elsevier Ltd on behalf of Society of Manufacturing Engineers (SME). http://creativecommons.org/licenses/by-nc-nd/4.0/

Publication Title

Manufacturing Letters

DOI

10.1016/j.mfglet.2026.07.067

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