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B
[Sri New Materials: "A metal-based diamond composite radiator and its preparation method" patent application disclosed] On September 9th, information from the State Intellectual Property Office showed that the invention patent application of Sirui New Materials (688102) "a metal-based diamond composite radiator and its preparation method" was made public on September 8, with the application publication number CN122719451A. The announcement shows that the application belongs to a metal-based diamond composite radiator and its preparation method. The method includes: preparing a base plate based on diamond particles; stacking and assembling the base plate with a pre-prepared transition metal layer blank, and obtaining a composite substrate after hot pressing and sintering; preparing a flow channel layer on the surface of the transition metal layer of the composite substrate through additive manufacturing to obtain a radiator. This application uses a diamond composite base plate to achieve efficient thermal conductivity, and uses a transition metal layer to alleviate thermal expansion mismatch stress and ensure interface service reliability. It further combines with a 3D printed flow channel layer to achieve free formation of a complex three-dimensional flow channel structure, thereby achieving the comprehensive technical effects of high thermal conductivity, high interface reliability, and high flow channel design freedom.
#3D printing#heat sink#intellectual property09-09 11:00
B
[U.S. and European astronauts spacewalk to install equipment on the International Space Station] September 2nd, NASA stated on September 1st that two astronauts on the International Space Station completed a nearly 7-hour spacewalk that day to install equipment and carry out maintenance work on the International Space Station. At the same time, they collected external samples of the space station for microbial testing. The two people who emerged from the capsule were NASA astronaut Jessica Meier and European Space Agency astronaut Sophie Adeno. During the spacewalk that lasted 6 hours and 49 minutes, they installed a new retroreflector on the forward port of the International Space Station's "Harmony" node module, which can provide navigation support for spacecraft rendezvous and docking operations. The pair also replaced a high-definition camera on the station's truss and collected samples from the station's exterior to detect microorganisms. In addition, they completed the installation of some power system jumper cables and prepared for later replacement of the Alpha Magnetic Spectrometer radiator.
#heat sink#space station#microorganism#aerospace#space exploration09-02 10:52