Industrial Consultancy & Sponsored Research (IC&SR) , IIT Madras
Method for Generation of Nanoparticles using Advanced Mechanical Micro-machining Technique
Categories for this Invention
Technology: Method for Generation of Nanoparticles
Category: Micro & Nano Technologies
Industry: Manufacturing /chemical, Automotive, Biomedical
Application: Micro machining, Production of Nanoparticles
Market: The global market size is estimated to grow from USD 5.1 billion in 2023 to USD 15.1 billion by 2035, representing a CAGR of 9.4% during the forecast period 2023-2035
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Problem Statement
- Micromachining is essential for advanced materials in aerospace, defense, and automotive industries.
- Electrical Discharge Machining (EDM) is a cost-effective method for machining hard and brittle materials, but tool wear is a major issue.
- Nanotechnology is increasingly important in producing nanoparticles with novel properties, which are used in various fields.
- Studies on nanoparticle properties using micro-EDM have shown improvements in machining stability, efficiency, and quality.
- Micro-EDM removes material through melting and evaporation through repetitive spark discharges.
- There is a need for collection, reveal, control, and testing of debris structure, highlighting potential use in industrial or medical applications.
Technology
Key Features / Value Proposition
Nanoparticle Generation System
- Micro-Electrical Discharge Machining System
Method for Tool Vertical Displacement
- Non-contact mechanical method
Controlled by an amplified piezoactuator with a maximum Displacement
- 400 µm at 150 V.
Supply voltage
- Ranges from 10-120 V.
Pulse duration
- Adjustable at any time.
Pulse frequency
- Ranges from 1kHz -5 kHz.
Duty cycle
- Ranges from 5% – 50%.
Pulse duration
- Less than 100 μs.
Size
- Nanoparticles generated in size less than
100 nm with high yield
Base fluid for colloidal suspension
- Uses DI water
Stabilizer
- Uses organic/inorganic stabilizer for suitable nanoparticle size and shape.
- Technique also applicable for hybrid nano particles.
- Nanoparticles generated from conducting, semiconducting, and electrically conducting materials.
- Simple, straightforward, and economical process based on thermoelectric energy between tool and workpiece electrodes.
- Utilizes a custom-made setup with a piezoactuated tool feed system.
Questions about this Technology?
Contact For Licensing
sm-marketing@imail.iitm.ac.in
ipoffice2@iitm.ac.in
Research Lab
Prof. Somashekhar S Hiremath
Department of Mechanical Engineering
Intellectual Property
- IITM IDF Ref. 1209
- Patent No: IN 347900
Technology Readiness Level
TRL- 3
Experimental Proof of concept;