T -ring to help God nine Flying

When God nine perfect docking with Temple the moment , Shanghai Academy of Spaceflight Technology 805 reports cheering sound into a hall as a docking mechanism for research and development unit , every face was beaming with pride smile. 33 -year-old Geng Haifeng , deputy director of the docking mechanism is the designer , he told reporters about God nine docking with Temple was " seamless" secret --- seals.
"When Shenzhou nine successful docking with Temple One , luggage seals the channel is opened, the two connecting body will form a large airlock order to ensure the safety of the astronauts in the cabin , the entire capsule tightness is essential. How guarantee complete sealing ring is one of the key points . " Geng Haifeng said.
Ring was placed in the Shenzhou nine active docking groove in the surface structure of the butt . Common with people living in different O-ring , God seals on nine docking mechanism was T-type, was stuck in a groove , no force in the case of space , does not automatically fall off.
Before docking with Temple One , God of nine docking mechanism mounted on the seal on the " bare ." In the harsh environment of space , seals to withstand 100 degrees Celsius to minus 75 degrees Celsius high temperature test , but also to withstand a variety of space radiation ,security stickers  which for the production of seals general materials, " Silastic " , it is almost impossible, because silicone rubber in a low temperature environment of " embrittlement " feature.
In order to study the special anti- brittle ring material , Geng Haifeng led the research team from the beginning of 2002 , before and after a six-year science and technology research . 2008 After the successful development of a single product , but also the whole together with a variety of validation tests and overcome countless difficulties