Bearing/heat-proof integrated ordered porous sweating composite structure and preparation method thereof

• Main Authors: MA LI, JI CHUNMING, WU LINZHI, WANG BING, XING MINGZHI, HU JIQIANG
• Format: Patent
• Language: Chinese; English
• Published: 15.03.2024
• Subjects: AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING; INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULARARTICLES; PERFORMING OPERATIONS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR; SHAPING OR JOINING OF PLASTICS; TRANSPORTING; WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

The invention relates to the technical field of thermal protection of aircrafts, and particularly discloses a preparation method of a bearing/heat-proof integrated ordered porous sweating composite structure, which comprises the following steps: preparing a three-dimensional fiber preform, pouring phthalonitrile resin, cutting and removing aluminum wires, thereby obtaining the bearing/heat-proof integrated ordered porous sweating composite structure. Comprising an ordered porous sweating structure, a cooling working medium flowing cavity and a cooling working medium storage box, the ordered porous sweating structure is a bearing part of a component main body, and a micropore flow channel used for sweating and cooling is arranged in the ordered porous sweating structure; the ordered porous composite sweating structure can have high bearing capacity while having sweating and cooling performance, and the specific strength of the ordered porous composite sweating structure is far higher than that of metal and cer