This work was sponsored by the National Natural Science Foundation of China(Grant No.51775443);the National Science and Technology Major Project(Grant No.2017-VII-0015-O111);China Postdoctoral Science Foundation(Grant No.2020M683569).
As a typical refractory material,the DD6 nickelbased single-crystal superalloy has important applications in the aviation industry.Ultrasonic-assisted drilling is an advanced machining method that significantly improv...
This study was supported by the National Scholastic Athletics Foundation(NSAF)(Grant No.U1830122);the National Natural Science Foundation of China(Grant No.51775443).
The DD6 nickel-based superalloy exhibits remarkably high temperature properties;therefore,it is employed as a crucial structural material in the aviation industry.Nevertheless,this material is difficult to process.Ult...