抗疲劳技术取得新进展由南京航空航天大学机电工程学院王氓教授主持的“超高强度钢内螺纹冷挤压表面改性加工机理”研究项目，日前获得了航空科学基金资助项目优秀成果一等奖。该项研究成果已成功地应用于３００Ｍ钢起落架的内螺纹抗疲劳制造中，用于孔壁抗疲劳强化的冷挤... Anti-fatigue technology made new progress From the Nanjing University of Aeronautics and Astronautics School of Mechanical and Electrical Engineering Professor Wang rogue chaired the “ultra-high strength steel cold extrusion surface modification processing mechanism” project, recently won the Aeronautic Science Foundation grant outstanding achievements in first-class projects prize. The research results have been successfully applied to 300M steel landing gear internal thread anti-fatigue manufacturing, anti-fatigue for the hole wall cold extrusion ...