Feasibility of Penetrant Testing on Surface Axial-Radial Cracks of GH4169 Super Alloy Turbine Disk
Haiyan QIAO, Xuedong REN, Yiwei SHI, Chunhu TAO
Journal of Aeronautical Materials . 2016, (6): 92 -96 .  DOI: 10.11868/j.issn.1005-5053.2016.6.015