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Applicant:
Indian Institute of Technology (IIT) Patna 
Title:
Method of coating a substrate 
Inventor(s):
Dr. Manoranjan Kar & Akshay Saxena 
Applicant:
Indian Institute of Technology (IIT) Patna 
Application type:
Applied - 2019-05-08 
Application Number:
201931018390 
Applied at:
India 
Entered by:
Indian Institute of Technology (IIT) Patna 
Abstract:
Mutliple/single material/s coating has been achieved in an enclosed environment using ball milling technique. Till now the ball milling apparatus was utilized only for the size reduction of the material but the inventors have utilised it to prepare multiple or single material coatings for technological applications. The substrate and coating materials need to be placed inside the vacuum or inert environment. The metallic balls of specific size are also placed inside the chamber along with coated material and substrate/s. the chamber is than rotated at a particular speed, inside the chamber ball and material strikes the substrate/s simultaneously, the kinetic energy of balls activates the surface onto which coating material get deposited.Coatingsdepends on the weight of coating material, weight of balls, ratio of weight of coating material to the weight of balls, size of coating material particles, percentage of binder in coating material, revolution per minute (rpm) of container and running time of ball milling apparatus. 

 
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