Subject Code: ML6L013 Name:   Surface Engineering L-T-P: 3-0-0 Credit: 3
Pre-requisite(s): None
Introduction to surface, Thermodynamics of surface, Surface dependent properties-physical, chemical and mechanical; Surface dependent degradation and their characteristics, Analysis of surface initiated degradation; Approaches and classifications of surface engineering techniques; Introduction to surface cleaning techniques by physical, mechanical and chemical routes; Surface modifications techniques-conventional surface modification methods applicable to steel, cast iron, and non-ferrous metals/alloys- shot peening, sand blasting, flame, induction hardening, solid state diffusion assisted surface modifications; Emerging surface modification techniques- chemical route (electroless deposition, sol-gel coating), electro-chemical routes (electro-deposition, electro-phoretic deposition); Chemical conversion coatings - hot dipping, thermal spraying; Surface painting- basic paint technology, polymeric binders, pigments and extenders, additives, essential concepts of paint formulation and paint properties, paint preparation (pigment dispersion), surface preparation and paint application techniques applied for film preparation and their properties; Surfaces in vacuum- ultra-high vacuum techniques and processes; Thin film technologies-development of metallic and ceramic thin film by physical routes (thermal evaporation, sputtering and ion implantation) and chemical route (chemical vapor deposition); Directed energy beam assisted surface engineering techniques (ion, electron beam and laser assisted surface engineering techniques), Economics and designing of surface engineering processes; Characterisation of surfaces, effect of substrate surface structure on the over-layer properties, theoretical and experimental evaluation of surface energies, solid-liquid and solid-gas interfaces, damage of the surfaces by corrosion and wear.

Texts / Reference Books:
  1. M. Ashby, H. Shercliff& D. Cebon, Materials Engineering, Science, Processing and Design.
  2. ,D. SrinivasaRao, Shrikant V. Joshi , Daya Publishing House (2010) .
  3. W. Gissler, H.A. Jehn, Springer, Advanced Techniques for Surface Engineering.
  4. Research Papers.