Advanced Sintering System

Patent Status: 

Patent Filed

Indian Patent Applicaton No: 

1792/DEL/2010

Date Filed: 

30.07.2010

Patent Category: 

Overview: 

Multi-stage spark plasma sintering to develop dense materials with better and uniform mechanical and tribological properties in both conducting and non-conducting ceramic.

Key Features: 

  • It addresses 'controlled spark discharge' by holding powder compact at intermediate stages prior to sintering temperatures via Multi stage sintering (MSS) for different non-conducting ceramic materials.
  • The method includes maintaining a powder compact up to one/more intermediate holding temperature for different timescale before holding at the final sintering temperature in a spark plasma sintering chamber, as opposed to directly heating to a sintering temperature in a conventional sintering process .

Applications: 

  • Electrical Insulators.
  • Seal faces and valve sates.
  • Orthopaedic implants.
  • Refractory and armor applications.

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