(中国船舶重工集团公司，洛阳 471039)
摘 要: 根据TC11高颈法兰图纸，确定了合理的法兰成型模具，研究了不同成型工艺对TC11高颈法兰毛坯变形抗力及组织性能的影响规律。研究结果表明：采用970 ℃、压机下行速率为7 mm/s的成型工艺，成型后的显微组织为等轴初生α+β转组织，具有较好的综合力学性能。
关键字: TC11合金；显微组织；变形抗力；力学性能
（Luoyang Ship Materials Research Institute, Luoyang 471039, China）
Abstract:According to the high neck flange drawings and the reasonable flange die, the effect of different forming techniques on the deformation resistance and microstructural properties of high neck flange was investigated. The results show that with the forming technique of 970 ℃ and 7 mm/s compress rate, the microstructure including equiaxed α+βturn phase is obtained, has good comprehensive mechanical properties.
Key words: TC11 alloy; microstructure; deformation resistance; mechanical properties
