improvement of fatigue life of gh3039 superalloy by laser

improvement of fatigue life of gh3039 superalloy by laser

improvement of fatigue life of gh3039 superalloy by laser

Improvement of Fatigue Life of GH3039 Superalloy by …Abstract:In order to improve fatigue life of GH3039 superalloy, GH3039 superalloy sheets were treated by laser shock peening (LSP). The microstructure of GH3039 superalloy before and after LSP was characterized using an optical microscope, transmission electron microscope (TEM), and X-ray

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30th Advanced Aerospace Materials and Processes

In our work a laser peening and annealing treatment (LP+TME) of wrought In718 retains residual stress of 420 MPa (60 ksi) and depths greater than 1 mm after 50 hours prior exposure at 760 o C. The LP+TME process enhances fatigue performance of AM In718 by over 500% after thermal exposures of 600 o C for up to 350 hours.Effect of ultrasonic micro-forging treatment on improvement of fatigue life of gh3039 superalloy by laserGH3039 superalloy wire was used as the feedstock material. The chemical compositions of the metal wire are shown in Table 1. 45 steel sheets with dimensions of 100 mm × 100 mm × 15 mm were used as the substrate material. The surface of the substrate was grounded with sand papers before laser fusion.

Feasibility study of microscale laser shock processing improvement of fatigue life of gh3039 superalloy by laser

Microscale laser shock processing (LSP) without absorbing coating (microscale LSPwC) under water was suggested to improve its high-cycle fatigue performance. In this paper, a DZ17G superalloy simulated-blade was designed and treated by microscale LSPwC with different impacts.FATIGUE PROPERTIES OF A Ni-BASE SUPERALLOY to extend fatigue life. The specimen treated by laser radiation at room temperature is prone to form grain boundary crack in melted and heat affected zones. This crack is directly produced by thermal stress (Fig. 11). During fatigue fracture, this type of crack hides below surface, and connects with mainFATIGUE PROPERTIES OF A Ni-BASE SUPERALLOY to extend fatigue life. The specimen treated by laser radiation at room temperature is prone to form grain boundary crack in melted and heat affected zones. This crack is directly produced by thermal stress (Fig. 11). During fatigue fracture, this type of crack hides below surface, and connects with main

Fatigue life assessment of a porous casting nickel-based improvement of fatigue life of gh3039 superalloy by laser

Jul 01, 2020 · The vertical axis is the fatigue life predicted from the single crack model. The results show significant effects of the distance to fatigue life. It is clear that the fatigue life decreases with increasing defect size. The fatigue life increases with the distance and approaches stable for / A / 4. That means, the surface effects are improvement of fatigue life of gh3039 superalloy by laserFatigue performance of selective laser melted Ti6Al4V improvement of fatigue life of gh3039 superalloy by laserOct 05, 2018 · In the former case, the fatigue life will consist of solely the fatigue crack growth life. Figure 2 shows fracture surfaces around the fatigue crack initiation site near the specimen surface. The fatigue performance of SLM Ti-6Al-4V components was reported to be over 75% lower than wrought material due to surface finish, porosity and residual improvement of fatigue life of gh3039 superalloy by laserLaser Peening Systems and the Effects of Laser Peening Laser Peening (Lp), Surface Profile, Microstructure, Fatigue Life, Titanium Alloy, Superalloy, Thermal Cycle n order to improve the fatigue properties of airplane and aero-engine structures, the mechanical performances of typical aeronautical metal alloys with laser peening (LP) were investigated in this paper, LP experiment was undertaken with improvement of fatigue life of gh3039 superalloy by laser

Laser Shock Processing of Ni-Base Superalloy and High improvement of fatigue life of gh3039 superalloy by laser

A plasma sound wave detection method of laser shock processing (LSP) technology is proposed. Speciments of Ni-base superalloy are used in this paper. A convergent lens is used to deliver 1.2 J, 10 ns laser pulses by a Q-switch Nd:YAG laser, operating at 1 Hz. The influence of the laser density to the shock wave is investigated in detail for two different wavelength lasers.Laser Shock Processing of Ni-Base Superalloy and High improvement of fatigue life of gh3039 superalloy by laserA plasma sound wave detection method of laser shock processing (LSP) technology is proposed. Speciments of Ni-base superalloy are used in this paper. A convergent lens is used to deliver 1.2 J, 10 ns laser pulses by a Q-switch Nd:YAG laser, operating at 1 Hz. The influence of the laser density to the shock wave is investigated in detail for two different wavelength lasers.Laser Shock Processing of Ni-base Superalloy and High improvement of fatigue life of gh3039 superalloy by laserSpeciments of Ni-base superalloy are used in this paper. A convergent lens is used to deliver 1.2 J, 10 ns laser pulses by a Q-switch Nd:YAG laser, operating at 1 Hz. The influence of the laser density to the shock wave is investigated in detail for two different wavelength lasers.

Laser Shock Processing of Ni-base Superalloy and High improvement of fatigue life of gh3039 superalloy by laser

Speciments of Ni-base superalloy are used in this paper. A convergent lens is used to deliver 1.2 J, 10 ns laser pulses by a Q-switch Nd:YAG laser, operating at 1 Hz. The influence of the laser density to the shock wave is investigated in detail for two different wavelength lasers.Superalloy 718 and Derivatives | Wiley Online BooksOct 06, 2010 · An Integrated Approach to Relate Hot Forging Process Controlled Microstructure of IN718 Aerospace Components to Fatigue Life (Pages: 751-765) Michael Stoschka Martin RiedlerA study of Laser Shock Peening on Fatigue behavior of improvement of fatigue life of gh3039 superalloy by laserLaser shock peening (LSP) for improving fatigue life of IN718Plus superalloy is investigated. Fatigue geometry and LSP parameters were optimized using finite element method (FEM). Residual stress distributions estimated by FEM were validated using Synchrotron XRD and line focus lab XRD, and correlated with microhardness. An eigenstrain analysis of LSP induced edge deflections (measured

Effect of Mechanical Properties on Fatigue Life improvement of fatigue life of gh3039 superalloy by laser

Sep 10, 2019 · Mechanical surface treatment such as cavitation peening, shot peening and laser peening can improve the fatigue life of AM parts. In the present paper, in order to demonstrate the fatigue life enhancement of AM parts by various peening methods, titanium alloy Ti6Al4V manufactured by electron beam melting EBM was treated by cavitation peening improvement of fatigue life of gh3039 superalloy by laserExperimental Study on Residual Stress of K24 Superalloy The surface of K24 superalloy was processed with laser cladding & LSP (laser shock processing). Residual stress in the laser cladding zone by LSP was measured with X-ray stress tester X-350A, and the variational rule of residual stress in the cladding zone by tempering treatment of 8 hours and 16 hours was measured, respectively. The experimental results show that compressive residual stress improvement of fatigue life of gh3039 superalloy by laserExperimental Study on Residual Stress of K24 Superalloy The surface of K24 superalloy was processed with laser cladding & LSP (laser shock processing). Residual stress in the laser cladding zone by LSP was measured with X-ray stress tester X-350A, and the variational rule of residual stress in the cladding zone by tempering treatment of 8 hours and 16 hours was measured, respectively. The experimental results show that compressive residual stress improvement of fatigue life of gh3039 superalloy by laser

Improvement of Fatigue Life of GH3039 Superalloy by

Abstract:In order to improve fatigue life of GH3039 superalloy, GH3039 superalloy sheets were treated by laser shock peening (LSP). The microstructure of GH3039 superalloy before and after LSP was characterized using an optical microscope, transmission electron microscope (TEM), and X-rayImprovement of Fatigue Life of GH3039 Superalloy by The improvement of fatigue life for the laser processed GH3039 superalloy was mainly attributed to compressive residual stress and grain refinement generated by LSP. In order to improve fatigue life of GH3039 superalloy, GH3039 superalloy sheets were treated by laser shock peening (LSP).Liucheng Zhou's research works | Air Force Engineering improvement of fatigue life of gh3039 superalloy by laserReference: Improvement of Fatigue Life of GH3039 Superalloy by Laser Shock Peening Improvement of high-temperature fatigue performance in the

Low-cycle fatigue behavior of Ni-based superalloy GH586 improvement of fatigue life of gh3039 superalloy by laser

Oct 07, 2017 · Low-cycle fatigue behavior of Ni-based superalloy GH586 with laser shock processing (LSP) was investigated. The residual stress of the specimens treated with LSP was assessed by X-ray diffraction method. The microstructure and fracture morphology were characterized by using an optical microscope (OM), a scanning electron microscope (SEM), and a transmission electron microscope Materials | Free Full-Text | Effect of Process Parameters improvement of fatigue life of gh3039 superalloy by laserImprovement of Fatigue Life of GH3039 Superalloy by Laser Shock Peening. Previous Article in Special Issue. Tribological and Dynamical Mechanical Behavior of Prototyped PLA-Based Polymers. Journals. Information. For Authors For Reviewers For Editors For Librarians For Publishers For Societies.Materials | Free Full-Text | Radiation-Induced Defects and improvement of fatigue life of gh3039 superalloy by laserImprovement of Fatigue Life of GH3039 Superalloy by Laser Shock Peening. Previous Article in Journal. Small Caliber Bulletproof Test of Warships Hulls. Previous Article in Special Issue. Impact of ZnO Addition on Er 3+ Near-Infrared Emission, the Formation of Ag Nanoparticles, improvement of fatigue life of gh3039 superalloy by laser

Materials | Free Full-Text | Radiation-Induced Defects and improvement of fatigue life of gh3039 superalloy by laser

Improvement of Fatigue Life of GH3039 Superalloy by Laser Shock Peening. Previous Article in Journal. Small Caliber Bulletproof Test of Warships Hulls. Previous Article in Special Issue. Impact of ZnO Addition on Er 3+ Near-Infrared Emission, the Formation of Ag Nanoparticles, improvement of fatigue life of gh3039 superalloy by laserMicrostructure and Mechanical Properties of CMSX-4 Jul 10, 2018 · CMSX-4 ® is a second generation single crystalline superalloy containing 3 wt pct Re with a volume content of about 70 pct.[1,2] Processing of these kinds of single crystalline alloys is usually by investment casting applying directional solidification.[] Typically, this class of alloys shows strong segregations during solidification resulting in pronounced dendritic microstructures.[]Ming Jun Feng's research works | Harbin University of improvement of fatigue life of gh3039 superalloy by laserWith the increase of aero-engine thrust, GH3039 superalloy is required to withstand higher stresses and operating temperatures. improvement of fatigue life of gh3039 superalloy by laser Reference: Improvement of Fatigue Life of GH3039 Superalloy by improvement of fatigue life of gh3039 superalloy by laser

Study on laser shock penning of Incoloy 800 super alloy improvement of fatigue life of gh3039 superalloy by laser

Jul 01, 2017 · It was found that performing LSP causes 20% enhancement of surface hardness and 50% improvement of fatigue life. Nie at al. used LSP to enhance the fatigue life of titanium alloy TC11. They found that by inducing high compressive residual stress caused by laser impacts the fatigue life significantly enhances.Superalloys 2020 - Proceedings of the 14th International improvement of fatigue life of gh3039 superalloy by laserThe 14th International Symposium on Superalloys (Superalloys 2020) highlights technologies for lifecycle improvement of superalloys. In addition to the traditional focus areas of alloy development, processing, mechanical behavior, coatings, and environmental effects, this volume includes contributions from academia, supply chain, and product-user members of the superalloy community that improvement of fatigue life of gh3039 superalloy by laserSurface Treatment of Powder-Bed Fusion Additive improvement of fatigue life of gh3039 superalloy by laserNov 19, 2018 · High-cycle fatigue (HCF) tests were conducted on samples fabricated by two powder-bed additive manufacturing techniques. Samples were tested with as-produced surfaces and after various non-contact surface improvement treatments. Ti-6Al-4V samples were made using both electron beam melting (EBM) and selective laser melting (SLM), while Inconel 625 was fabricated using SLM.

The effect of ultrasonic surface rolling process on the improvement of fatigue life of gh3039 superalloy by laser

Apr 01, 2020 · Similarly, the fatigue life of BM and BM + R is close which means residual stress removal method has little effect on the fatigue life of GH4169 superalloy. In contrary, the fatigue life of USRP-3 reduces 62.5% after relax residual stress due to the reduction of surface residual stress while pre-fatigue has little effect on the surface improvement of fatigue life of gh3039 superalloy by laserThe effect of ultrasonic surface rolling process on the improvement of fatigue life of gh3039 superalloy by laserApr 01, 2020 · Similarly, the fatigue life of BM and BM + R is close which means residual stress removal method has little effect on the fatigue life of GH4169 superalloy. In contrary, the fatigue life of USRP-3 reduces 62.5% after relax residual stress due to the reduction of surface residual stress while pre-fatigue has little effect on the surface improvement of fatigue life of gh3039 superalloy by laserThe latest and most impactful 91925 PDFs and In order to improve fatigue life of GH3039 superalloy, GH3039 superalloy sheets were treated by laser shock peening (LSP). The microstructure of GH3039 superalloy before and after LSP was improvement of fatigue life of gh3039 superalloy by laser

US20050230010A1 - Treatment method for improving

A novel treatment method, for improving fatigue life, is provided that aims to resolve problems associated with conventional treatment methods for improving fatigue life of metal by reduction of stress concentration and conventional treatment methods for improving fatigue life of metal by introduction of compressive stress, that is, problems of poor efficiency in work execution, required level improvement of fatigue life of gh3039 superalloy by laserUS20050230010A1 - Treatment method for improving A novel treatment method, for improving fatigue life, is provided that aims to resolve problems associated with conventional treatment methods for improving fatigue life of metal by reduction of stress concentration and conventional treatment methods for improving fatigue life of metal by introduction of compressive stress, that is, problems of poor efficiency in work execution, required level improvement of fatigue life of gh3039 superalloy by laserWarm Laser Shock Peening Driven Nanostructures and Apr 23, 2010 · Warm laser shock peening is an innovative manufacturing process that integrates laser shock peening and dynamic aging to improve materials' fatigue performance. Compared to traditional laser shock peening (LSP), warm laser shock peening (WLSP) i.e., LSP at elevated temperatures provides better performance in many aspects.

Yinqun Hua's research works | Jiangsu University improvement of fatigue life of gh3039 superalloy by laser

Reference: Improvement of Fatigue Life of GH3039 Superalloy by Laser Shock Peening Microstructure and hot corrosion behavior of the Ni-based superalloy GH202 treated by laser

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