An Introduction to Surface Alloying of Metals by Santosh S. Hosmani P. Kuppusami & Rajendra Kumar Goyal

Author:Santosh S. Hosmani, P. Kuppusami & Rajendra Kumar Goyal
Language: eng
Format: epub
Publisher: Springer India, New Delhi

(2)Centre for Nanoscience and Nanotechnology, Sathyabama University, Rajiv Gandhi Road, Chennai, 600119, Tamil Nadu, India

Santosh S. Hosmani (Corresponding author)

Email: [email protected]

P. Kuppusami

Email: [email protected]

Rajendra Kumar Goyal

Email: [email protected]

Abstract

Surface alloying of materials by plasma nitriding using glow discharge plasma nitriding has become an important environmentally benign surface modification process to obtain improved hardness, wear resistance, and corrosion resistance. In this paper, surface alloying of austenitic stainless steels and Cr-coated austenitic stainless steel by plasma nitriding is discussed. Comparative studies on these materials are discussed in relation to kinetics, phase distribution, and nitriding mechanism. The chapter also deals with thermal stability, dimensional variation, wear resistance, and the mechanism of formation of Cr–N coatings.

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