[1] [1] D K Das, T M Pollock. Femtosecond laser machining of cooling holes in thermal barrier coated CMSX4 superalloy[J]. J Mater Proc Tech, 2009, 209(15-16): 5661-5668.

[2] [2] M Naeem, M Wakeham. Laser percussion drilling of coated and uncoated aerospace materials with a high beam quality and high peak power lamp pumped pusled NdYAG laser[C]. Proceedings of ICALEO, 2010: 111-120.

[3] [3] A Corcoran, L Sexton, B Seaman, et al.. The laser drilling of multi-layer aerospace material systems[J]. J Mater Proc Tech, 2002, 123(1): 100-106.

[4] [4] H K Sezer, L Li, S Leigh. Twin gas jet-assisted laser drilling through thermal barrier-coated nickel alloy substrates[J]. International J Machine Tools & Manufacture, 2009, 49(14): 1126-1135.

[5] [5] H K Sezer, L Li, M Schimdt, et al.. Effect of beam angle on HAZ, recast and oxide layer characteristics in laser drilling of TBC nickel superalloys[J]. International J Machine Tools & Manufacture, 2006, 46(15): 1972-1982.

[6] [6] H K Sezer, A J Pinkerton, Lin Li, et al.. An investigation into delamination mechanism in inclined laser drilling of thermal barrier coated aerospace superalloys[J]. J Laser Application, 2005, 17(4): 225-234.

[7] [7] Q Feng, Y N Picard, J P McDonald, et al.. Femtosecond laser machining of single-crystal superalloys through thermal barrier coatings[J]. Materials Science and Engineering, 2006, 430(1-2): 203-207.

[8] [8] D K Das, T M Pollock. Femtosecond laser machining of cooling holes in thermal barrier coated CMSX4 superalloy[J]. J Materials Processing Technology, 2009, 209(15-16): 5661-5668.

[9] [9] V Semak, A. Matsunawa. The role of recoil pressure in energy balance during laser materials processing[J]. J Phys D: Appl Phys, 1997, 30(18): 2541-2552.

[10] [10] G Raciukaitis, M Brikas, M Gedvilas. Efficiency aspects in processing of metals with high-repetition-rate ultra-short-pulse lasers[C]. Proceedings of ICALEO, 2008. 176-184.

[11] [11] J Furmanski, A M Rubenchik, M D Shirk. Deterministic processing of alumina with ultrashort laser pulses[J]. J Appl Phys, 2007, 102(7): 073112.