Effects of circular beam oscillation technique on formability and solidification behaviour of selective laser melted Inconel 718: From single tracks to cuboid samples

2020 ◽  
Vol 51 ◽  
pp. 137-150 ◽  
Author(s):  
Huihui Yang ◽  
Guanyi Jing ◽  
Piao Gao ◽  
Zemin Wang ◽  
Xiangyou Li
Keyword(s):  
Inconel 718 ◽  
Solidification Behaviour ◽  
Circular Beam ◽  
Beam Oscillation

The Nature of Delta Phase Precipitation in Inconel 718

1982 ◽  
Vol 40 ◽  
pp. 724-725
Author(s):  
L. S. Lin ◽  
C. C. Law
Keyword(s):  
Inconel 718 ◽  
Base Alloy ◽  
High Strength ◽  
Physical Metallurgy ◽  
Nickel Base Alloy ◽  
Phase Precipitation ◽  
Weight Percentage ◽  
Delta Phase ◽  
The Subject ◽  
Nickel Base

Inconel 718, a precipitation hardenable nickel-base alloy, is a versatile high strength, weldable wrought alloy that is used in the gas turbine industry for components operated at temperatures up to about 1300°F. The nominal chemical composition is 0.6A1-0.9Ti-19.OCr-18.0Fe-3Mo-5.2(Cb + Ta)- 0.1C with the balance Ni (in weight percentage). The physical metallurgy of IN 718 has been the subject of a number of investigations and it is now established that hardening is due, primarily, to the formation of metastable, disc-shaped γ" an ordered body-centered tetragonal structure (DO2 2 type superlattice).

Structural and Electrical Characterization of Shaped Beam Laser Recrystallized Polysilicon on Amorphous Substrates

1981 ◽  
Vol 4 ◽  
Author(s):  
T. J. Stultz ◽  
J. F. Gibbons
Keyword(s):  
Grain Size ◽  
Electrical Characterization ◽  
Grain Structure ◽  
Electrical Characteristics ◽  
Shaped Beam ◽  
Beam Laser ◽  
Cw Laser ◽  
Amorphous Substrates ◽  
Circular Beam

ABSTRACTStructural and electrical characterization of laser recrystallized LPCVD silicon films on amorphous substrates using a shaped cw laser beam have been performed. In comparing the results to data obtained using a circular beam, it was found that a significant increase in grain size can be achieved and that the surface morphology of the shaped beam recrystallized material was much smoother. It was also found that whereas circular beam recrystallized material has a random grain structure, shaped beam material is highly oriented with a <100> texture. Finally the electrical characteristics of the recrystallized film were very good when measured in directions parallel to the grain boundaries.

Hole drilling of Inconel 718 by high intensity pulsed UV laser

2001 ◽  
Author(s):  
Qihong Wu ◽  
Yurong Ma ◽  
Jiansheng Jie ◽  
Bin Miao ◽  
Rongehuan Fang ◽  
...  
Keyword(s):  
High Intensity ◽  
Inconel 718 ◽  
Hole Drilling ◽  
Uv Laser

Transient predictions of CO2 spot welds in inconel 718

1993 ◽  
Author(s):  
John A. Hopkins ◽  
T. Dwayne McCay ◽  
Mary Helen McCay ◽  
Arsev Eraslan
Keyword(s):  
Inconel 718 ◽  
Spot Welds

Fatigue Fracture of AM Inconel 718: Surface Effects on Tension-Torsion Capability

2021 ◽  
Author(s):  
Jacob Rome ◽  
Vinay K. Goyal ◽  
Dhruv Patel ◽  
Julian Lohser
Keyword(s):  
Fatigue Fracture ◽  
Inconel 718 ◽  
Surface Effects

Evaluation of uncertainty associated with fracture toughness of Inconel 718 using the SNTT method

2019 ◽  
Author(s):  
Guilherme Rodrigues ◽  
Monique Freitas ◽  
Henry Hwang ◽  
Sinésio Franco ◽  
Rosenda Arencibia ◽  
...  
Keyword(s):  
Fracture Toughness ◽  
Inconel 718
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