Retractioon note: CaCO3 derived from eggshell waste for improving the hardness values and wear behavior of composite coating on mild steel via co-deposition (The International Journal of Advanced Manufacturing Technology, (2022), 119, 7-8, (5483-5496), 10.1007/s00170-021-08492-3)

The Editor-in-Chief has retracted this article. Figure 2 panels a–d appear to overlap with Fig. 3, panels a–d of a previously published article by one of the same authors [1]. Figure 2b appears to overlap with Fig. 7b of a previously published article [2]. The authors did not provided a sufficient response to these concerns or the raw data upon request. The Editor has lost confidence in the data and conclusions of this article. Author Victor Sunday Aigbodion disagrees with this retraction. Authors Sani Mohammed Adams, Eguakhide Atikpo, Romanus Njoku, and Longinus Ifeanyichi Odo have not responded to correspondence from the publisher regarding this retraction.