A certain aerospace research institute -25 day delivery+40% cost reduction+20% performance improvement, breaking through the |
The structural components of spacecraft need to serve stably in the extreme environment of 'launch mechanics impact+space', and the requirements for the 'strength, toughness, and delivery speed' of TC4 titanium alloy tubes can be called 'extreme challenges'. When we were undertaking the research and development of a new spacecraft, we urgently needed 100 TC4 large-diameter titanium alloy tubes with a diameter of 190mm, a wall thickness of 10mm, and a length of 1400mm. However, the traditional process had three major bottleneck problems: a construction period of 60 days (far behind the project milestones), high overall production costs, and difficulty in matching the strength and toughness of the titanium tubes with extreme working conditions 
In the face of pain points, we have made targeted breakthroughs in technology: by optimizing the hot extrusion processing and heat treatment process, we have not only refined the grain size of TC4 titanium pipes to 8 μ m ultrafine grains (more uniform grains make the material's mechanical properties more stable and excellent), but also compressed the delivery time to 25 days (35 days faster than traditional technology), while achieving a 40% reduction in comprehensive production costs (compared to traditional drilling); The titanium alloy pipes actually delivered have been tested by a third-party to improve their overall mechanical performance by 20% (compared to traditional drilling), perfectly matching the strict requirements of spacecraft for "launch load bearing, space temperature difference tolerance, and space environment corrosion resistance". 
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