Investigation of Microhole Quality of Nickel-Based Single Crystal Superalloy Processed by Ultrafast Laser
Dongxu Zhang,
Zhichao Song,
Zhuang Luo
et al.
Abstract:The geometric accuracy and surface quality of thin-film cooling holes have a significant impact on the cooling efficiency and fatigue life of aeroengine turbine blades. In this paper, we conducted experimental research on the processing of nickel-based single-crystal high-temperature alloy DD6 flat plates using different femtosecond laser processes. Our focus was on analyzing the effects of various laser parameters on the geometric accuracy results of microholes and the quality of the surfaces and inner walls … Show more
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