Retraction Note to: Chapter “Fundamentals of Solid Lubricants” in: P. L. Menezes et al. (eds.) Self-Lubricating Composites, https://doi.org/10.1007/978-3-662-56528-5_1

The authors have retracted this chapter [1] because it significantly overlaps with a previously published article by Scharf and Prasad [2]. All authors agree with this retraction. [1] Prajapati A.K., Omrani E., Menezes P.L., Rohatgi P.K.: Fundamentals of Solid Lubricants. In: Menezes P., Rohatgi P., Omrani E. (eds.) Self-Lubricating Composites. Springer, Berlin, Heidelberg (2018) [2] Scharf, T.W., Prasad, S.V.: Solid lubricants: a review. J. Mater. Sci. 48, 511–531 (2013). https://doi.org/10.1007/s10853-012-7038-2

Retraction Note to: Chapter “Self-Lubricating Polymer Composites” in: P. L. Menezes et al. (eds.) Self-Lubricating Composites, https://doi.org/10.1007/978-3-662-56528-5_3

The authors have retracted this chapter [1] because it significantly overlaps with a previously published article by Fusaro [2]. All authors agree with this retraction. [1] Prajapati A.K., Omrani E., Menezes P.L., Rohatgi P.K.: Self-Lubricating Polymer Composites. In: Menezes P., Rohatgi P., Omrani E. (eds.) Self-Lubricating Composites. Springer, Berlin, Heidelberg (2018) [2] Fusaro, R.L.: Self-lubricating polymer composites and polymer transfer film lubrication for space applications, Tribology International, Volume 23, Issue 2, 105–122 (1990). https://doi.org/10.1016/0301-679X(90)90043-O