突破3100℃ 中国空间站“炼丹炉”刷新世界纪录

Group 1 - The core viewpoint of the article highlights the successful achievement of a new world record by a "furnace" in the Chinese space station, which heated tungsten alloy to over 3100℃ [1] - The "furnace" is actually a containerless material experiment cabinet located in the Tianhe core module of the space station, which has been operational for four years [4] - The materials being experimented on include heat-resistant alloys such as tungsten and niobium, as well as new types of materials that can withstand the extreme conditions of rocket engine flames [4]