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  Digital Catalogue for Technology and Products Development


   Technology and Product Development

    Basic Information

Technology developed: PROCESS FOR PREPARING A POROUS, BIODEGRADABLE METAL SCAFFOLD (TP19766979165)
Category: Nil
Details of Inventor(s):
Inventor Institution/Organization/Company Department Designation
PULAK MOHAN PANDEY IIT Delhi MECHANICAL ENGINEERING Professor
Technical Application Area: Other
If 'Other', please specify:
3D Printing
Please give more details of new technical application area:
Organization(s):
Indian Institute of Technology (IIT) Delhi
Affiliated Ministry: Institution Funding (Self Supported)
Type of technology development: Indigenous
Does the technology help in replacing any import items currently
procured from outside India?
Does the technology have export potential? 1
Category of Technology developed: Immediate Deployment
Stage of Development: Lab-scale
Please describe in detail including the TRL Level:
TRL4

    Abstract:

Applications: Metal scaffolds are a non-homogenous porous structure that have low density, superior strength, high stiffness, excellent sound absorption property, and good heat transfer property. These structures are used in various engineering applications like filters, light weight structures, dampers, biocompatible implants and bio-scaffolds etc. Different methods are known for manufacturing metal scaffolds including conventional sintering process and the newer 3D printing processes like Metal based Rapid Prototyping (RP) machine such as Selective Laser Sintering/ Melting (SLS/SLM), Laser Engineered Net Shaping (LENS) and Electron Beam Melting (EBM). However, all these processes have specific issues, for example the conventional sintering is plagued by weak mechanical properties, high loss of energy, larger sintering time and poor efficiency. Also the final build time as well as manufacturing cost becomes high. The newer 3D printing methods are costlier and less flexible due to the use of a high-powered laser energy source, limited number of compatible working materials and high capital cost of machine and tooling. The current invention provides a cheaper and quicker process for preparing a porous, bio-degradable metal scaffold by using a combination of micro-extrusion based 3D printing and pressure less sintering. The invention also makes use of polymer based metal ink for this process.
Advantages: 1. Uses components that are widely available and biodegradable. 2. Can be used for fabricating a variety of materials allowing more flexibility 3. Provides easy fabrication of high temperature metal part with good mechanical properties. 4. Can be applied to fabricate small sized components as well as complex structures with desired mechanical properties. 5. Is cheaper in comparison to existing additive manufacturing technologies as it allows development of complex structures in less fabrication steps and build time.

    Technology Inputs:

Imported Equipment/Spare Parts:
Equipment/Spare Parts Year ITC-HS Code
NA
Indigenous Equipment/Spare Parts:
Equipment/Spare Parts Year ITC-HS Code
NA
Imported Raw Materials:
Raw Materials Year ITC-HS Code
NA
Indigenous Raw Materials:
Raw Materials Year ITC-HS Code
NA
Existing R&D Facilities used:
Facilities Year ITC-HS Code
NA

    R&D Investment:

R&D investment (Rs. in Lakhs):                    
Indian Source (Rs.) Foreign Source (Rs.) Year
0 0 NA

   Patents & Publications:

Patents:
Filed Patents (No.) Granted Patents (No.) Year
0 0 NA
Publications:
Submitted (No.) Published (No.) Year
0 0 NA

    Commercialization Potential:

Who are the Potential Licensees?
What commercially available products address
the same problem?
Company Product Problem Addressed
Would you like to develop this invention further with
corporate research support?
Yes
Would you be interested in participating in cluster based
programs for commercialization research or business
planning for your invention?
Yes
      Submitted by: Anil Wali Date of Submission: 5-8-2020



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