MUMBAI, India, June 22 -- Intellectual Property India has published a patent application (202631034044 A) filed by Indian Institute Of Technology Bhubaneswar on March 20, 2026, for Porous Metal-Metal Interpenetrating Phase Composites With High Specific Strength And Toughness And Process For Manufacturing The Same..
Inventors include Debashish Mohanta; Ravishankar Suman; and Dr. Srikant Gollapudi.
The application for the patent was published on June 12, 2026, under issue no. 24/2026.
Abstract: ABSTRACT TITLE: Porous metal-metal interpenetrating phase composites with high specific strength and toughness and process for manufacturing the same An open cell porous metal-metal interpenetrating phase composite (MM-IPCs) is provided as interpenetrating phase composite of Zn and Ti6Al4V fabricated by infiltrating molten zinc into a Ti6Al4V preform which was partially filled with salt particles as space-holder. Leaching of the salt particles from the as-cast Zn structure of the Zn/Ti6Al4V composite resulted in a porous Zn matrix supported by the Ti6Al4V preform walls. The porous Zn/Ti6Al4V IPC was observed to be 2400% stronger (yield strength, YS ~ 90 MPa) with a 11 times higher energy absorption capability than porous zinc (YS ~ 3.5 MPa) bearing a similar porosity level. Two-dimensional finite element simulations of the porous Zn/Ti6Al4V composite revealed buckling of Ti6Al4V struts with closure of pores being the main mechanisms of deformation. Fig. 2
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