https://hal.archives-ouvertes.fr/hal-01321519/document

Experimental Investigation of Fatigue Crack Growth Behavior of GH2036 Under Combined High and Low Cycle Fatigue

This paper gives a bibliographical review of the finite element methods (FEMs) applied for the linear and nonlinear, static and dynamic analyses of basic structural elements from the theoretical as well as practical points of view. The bibliography at the end of the paper contains more than 1330 references to papers, conference proceedings and theses/dissertations dealing with the analysis of beams, columns, rods, bars, cables, discs, blades, shafts, membranes, plates and shells that were published in 1999–2002.

Finite element linear and nonlinear, static and dynamic analysis of structural elements, an addendum: A bibliography (1999–2002)

The machining precision and its consistency of turbine disk fir-tree slots have a direct influence on the performance of aero-engine rotor components. However, the structural dimensions of fir-tree slot are small, and the cutting performance of materials is extremely poor, which lead to great difficulty in machining and very few available machining methods. With the application of new materials in the aero-engines, the machining precision and quality requirements of fir-tree slots are further improved. Therefore, many research achievements on the high-efficiency, high-quality and low-cost machining technology of turbine disk fir-tree slots have been obtained. By summarizing and classifying the machining methods of aero-engine turbine disk fir-tree slots, a brief review on the characteristics of different methods are presented in detail, which provide a reference for selecting the appropriate machining method of turbine disk fir-tree slots in the field of aviation manufacturing. Meanwhile, combined with the research and application status of machining technology of turbine disk fir-tree slots, it is presented that multi-process compound machining is an effective method to realize high-efficiency, high-quality and low-cost precision machining of turbine disk fir-tree slots, such as wire electro discharge machining (wire-EDM) and profiled grinding, wire electrochemical machining (wire-ECM) and profiled grinding, wire-EDM and broaching, milling and broaching.

https://journals.sagepub.com/doi/pdf/10.1177/16878132221113420

A brief review on the status of machining technology of fir-tree slots on aero-engine turbine disk

Impedance analysis of Portevin-Le Chatelier effect on aluminium alloy

......................................................................................................................................... iii Acknowledgements ......................................................................................................................... v List of Figures .............................................................................................................................. xiii List of Tables ............................................................................................................................. xxiii Chapter 1 Introduction ................................................................................................................ 25 1.1 Aerospace Manufacturing ................................................................................................... 25 1.2 Material Integrity Requirements ......................................................................................... 26 1.3 Thesis Objectives ................................................................................................................ 27 1.4 Thesis Layout ...................................................................................................................... 28 Chapter 2 Background ................................................................................................................ 31 2.1 Additive Manufacturing ...................................................................................................... 31 2.2 History................................................................................................................................. 32 2.2.1 Development of Direct Metal Laser Sintering ............................................................. 37 2.3 Materials, Processes and Machines..................................................................................... 39 2.3.1 Stereolithography (SLA) .............................................................................................. 39 2.3.2 Laminated Object Manufacturing (LOM) ................................................................... 40 2.3.3 Fused Deposition Modelling (FDM) ........................................................................... 41 2.3.4 Electron Beam Melting (EBM) .................................................................................... 42 2.3.5 Selective Laser Sintering (SLS) Technologies ............................................................ 43 2.4 Direct Metal Laser Fabrication (DMLF) ............................................................................ 47 2.4.1 EOSINT M270 DMLS machine .................................................................................. 50 2.4.2 A Short Discussion on Laser Fabrication Systems ...................................................... 52 2.5 Residual Stress .................................................................................................................... 53 Un ive rsi ty of Ca pe To wn Table of

Residual stress measurement and structural integrity evaluation of SLM Ti-6Al-4V

Analysis of turbine blade breakages in an engine starting motor

Fatigue life scatter of aluminium alloy helicopter lugs

Analysis of fracture failure of fir-tree serrations of stage II turbine disks

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Analysis of turbine blade breakages in an engine starting motor

Fatigue life scatter of aluminium alloy helicopter lugs

Analysis of fracture failure of fir-tree serrations of stage II turbine disks