Pushpak Aerospace to Deploy IN-SPACe–ISRO Anodization Technology

Pushpak Aerospace India Pvt. Ltd. has entered into a Transfer of Technology (ToT) agreement with IN-SPACe–ISRO for an anodization process developed by the U R Rao Satellite Centre (URSC). The process applies to 3D-printed Al-10Si-Mg alloy components used in spacecraft thermal control systems, and Pushpak Aerospace plans to set up a facility to commercialise it.

The technology involves surface treatment using sulphuric acid and oxalic acid electrolytes, with applicability in both potentiostatic and galvanostatic modes. It produces anodic oxide coatings with infrared emittance of at least 0.85 and solar absorptance of at least 0.90, properties that help regulate temperature and enhance the performance of satellite parts.

The coating has a thickness of about 15 ± 5 µm and a nano hardness between 2.5 and 3.0 GPa. These characteristics enable lightweight and thermally stable components for satellite manufacturing.

Pushpak Aerospace said the facility will provide specialised processing for aerospace applications and support supply chains for satellite manufacturers. “This technology enables the production of lightweight, durable parts for satellites and spacecraft,” the company said.

Pushpak Aerospace India Pvt. Ltd. works in electrochemical processing and has experience collaborating with ISRO and defence organisations. The company operates certified processing facilities and focuses on solutions for aerospace and allied sectors.