Role of Post-Fabrication Heat Treatment on the Low-Cycle Fatigue Behavior of Electron Beam Melted Inconel 718 Superalloy

2020 ◽  
pp. 465-483
Author(s):  
Thomas Wegener ◽  
Johannes Günther ◽  
Florian Brenne ◽  
Thomas Niendorf
Keyword(s):  
Heat Treatment ◽  
Electron Beam ◽  
Inconel 718 ◽  
Low Cycle Fatigue ◽  
Fatigue Behavior ◽  
Cycle Fatigue ◽  
Inconel 718 Superalloy

Role of butter layer in low-cycle fatigue behavior of modified 9Cr and CrMoV dissimilar rotor welded joint

2014 ◽  
Vol 59 ◽  
pp. 165-175 ◽  
Author(s):  
Qingjun Wu ◽  
Fenggui Lu ◽  
Haichao Cui ◽  
Xia Liu ◽  
Peng Wang ◽  
...  
Keyword(s):  
Welded Joint ◽  
Low Cycle Fatigue ◽  
Fatigue Behavior ◽  
Cycle Fatigue

scholarly journals Low cycle fatigue behavior of dissimilar metal electron beam welded joint at elevated temperature.

1987 ◽  
Vol 36 (402) ◽  
pp. 280-285
Author(s):  
Masakazu OKAZAKI ◽  
Yoshiharu MUTOH ◽  
Masayoshi TABATA ◽  
Kouichi HATAKEYAMA ◽  
Yoshiyasu ITOH
Keyword(s):  
Electron Beam ◽  
Elevated Temperature ◽  
Welded Joint ◽  
Low Cycle Fatigue ◽  
Fatigue Behavior ◽  
Cycle Fatigue ◽  
Dissimilar Metal ◽  
Metal Electron

Low cycle fatigue behavior of electron beam welded joint of CLAM steel at room temperature

2019 ◽  
Vol 149 ◽  
pp. 111297
Author(s):  
Kaixuan Cui ◽  
Yanyun Zhao ◽  
Yutao Zhai ◽  
Bo Huang ◽  
Chunjing Li
Keyword(s):  
Electron Beam ◽  
Room Temperature ◽  
Welded Joint ◽  
Low Cycle Fatigue ◽  
Fatigue Behavior ◽  
Cycle Fatigue ◽  
Clam Steel

scholarly journals The effect of texture on the low cycle fatigue property of Inconel 718 by selective laser melting

2018 ◽  
Vol 165 ◽  
pp. 02007 ◽  
Author(s):  
Zhongjiao Zhou ◽  
Xu Hua ◽  
Changpeng Li ◽  
Guofeng Chen
Keyword(s):  
Heat Treatment ◽  
Residual Stress ◽  
Selective Laser Melting ◽  
Inconel 718 ◽  
Low Cycle Fatigue ◽  
Added Value ◽  
Cycle Fatigue ◽  
Laser Melting ◽  
Safety Critical ◽  
The Impact

In recent decades, additive manufacturing (AM) technology has shown its great advantages to produce end-use products with complex design and high-added value. However, the AM-specific characters, such as inherent material anomalies (porosity, lack of fusion defects, or inclusions), anisotropy, location-specific properties and residual stresses, prevent AM from widely adoption in safety-critical parts. Therefore, the damage tolerance assessment of AM parts is desperately necessary. In this study, the impact of residual stress and the induced texture (columnar/equiax grain structure) after different heat treatment on the low cycle fatigue (LCF) behavior of Inconel 718 fabricated through selective laser melting (SLM) is investigated. The results showed that the texture of AMed parts can be controlled by suitable heat treatment, based on the residual stress during AM processing acting as the drive force to recrystallization. For SLMed Inconel 718 samples with columnar grains, anisotropic LCF properties exist, while no obvious sensitivity to orientations is shown for samples with equiaxed grains. This work is significantly meaningful to speed up the design-to-product transformation of safety-critical AM parts and optimize the orientation of components for various applications.

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