Multi-scale microstructural investigation of a laser 3D printed Ni-based superalloy

Li, Yao; Chen, Kai; Narayan, R. Lakshmi; Ramamurty, Upadrasta; Wang, Yudong; Long, Juncheng; Tamura, Nobumichi; Zhou, Xin

doi:10.1016/j.addma.2020.101220

Title: Multi-scale microstructural investigation of a laser 3D printed Ni-based superalloy

Abstract

The heterogeneous microstructure of a laser 3D printed Ni-based superalloy was examined at multiple length scales. The sub-millimeter-sized columnar crystal grains are composed of micron-sized cellular colonies. The crystal grains grow in epitaxy with the substrate under the large temperature gradient and high cooling rate. The cell boundaries, decorated with γ/γ' eutectics, μ-phase precipitates and high density of dislocations, show enrichment of γ' forming elements and low-angle misorientations. Dislocations trapped in the intra-cellular regions are characterized as statistically stored dislocations with no detectable contribution to lattice curvature, and are the results of the interaction between dislocations and γ' precipitates.

Authors:

Li, Yao ^[1]; Chen, Kai ^[2];

^[3]; Ramamurty, Upadrasta ^[4]; Wang, Yudong ^[5]; Long, Juncheng ^[5];

^[6]; Zhou, Xin ^[7]

Chang’an University (China); Xi'an Jiaotong Univ., Shaanxi (China)
Xi'an Jiaotong Univ., Shaanxi (China)
Indian Inst. of Technology (IIT), New Delhi (India)
Nanyang Technological Univ. (Singapore)
Chang’an University (China)
Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
Air Force Engineering University, Xi’an (China)

Publication Date:: Sat Apr 25 00:00:00 EDT 2020

Research Org.:: Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)

Sponsoring Org.:: USDOE Office of Science (SC), Basic Energy Sciences (BES)

OSTI Identifier:: 1775401

Alternate Identifier(s):: OSTI ID: 1703071

Grant/Contract Number:: AC02-05CH11231

Resource Type:: Accepted Manuscript

Journal Name:: Additive Manufacturing

Additional Journal Information:: Journal Volume: 34; Journal ID: ISSN 2214-8604

Publisher:: Elsevier

Country of Publication:: United States

Language:: English

Subject:: 36 MATERIALS SCIENCE; Directed energy deposition; Multi-scale microstructures; Cellular structures; Non-uniform dislocation distribution; Ni-based superalloys

Citation Formats


                    Li, Yao, Chen, Kai, Narayan, R. Lakshmi, Ramamurty, Upadrasta, Wang, Yudong, Long, Juncheng, Tamura, Nobumichi, and Zhou, Xin. Multi-scale microstructural investigation of a laser 3D printed Ni-based superalloy.  United States: N. p., 2020. 
Web.  doi:10.1016/j.addma.2020.101220.

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                    Li, Yao, Chen, Kai, Narayan, R. Lakshmi, Ramamurty, Upadrasta, Wang, Yudong, Long, Juncheng, Tamura, Nobumichi, & Zhou, Xin. Multi-scale microstructural investigation of a laser 3D printed Ni-based superalloy.  United States.  https://doi.org/10.1016/j.addma.2020.101220

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                    Li, Yao, Chen, Kai, Narayan, R. Lakshmi, Ramamurty, Upadrasta, Wang, Yudong, Long, Juncheng, Tamura, Nobumichi, and Zhou, Xin. Sat .  
"Multi-scale microstructural investigation of a laser 3D printed Ni-based superalloy".  United States.  https://doi.org/10.1016/j.addma.2020.101220.  https://www.osti.gov/servlets/purl/1775401.

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@article{osti_1775401,

  title        = {Multi-scale microstructural investigation of a laser 3D printed Ni-based superalloy},

  author       = {Li, Yao and Chen, Kai and Narayan, R. Lakshmi and Ramamurty, Upadrasta and Wang, Yudong and Long, Juncheng and Tamura, Nobumichi and Zhou, Xin},

  abstractNote = {The heterogeneous microstructure of a laser 3D printed Ni-based superalloy was examined at multiple length scales. The sub-millimeter-sized columnar crystal grains are composed of micron-sized cellular colonies. The crystal grains grow in epitaxy with the substrate under the large temperature gradient and high cooling rate. The cell boundaries, decorated with γ/γ' eutectics, μ-phase precipitates and high density of dislocations, show enrichment of γ' forming elements and low-angle misorientations. Dislocations trapped in the intra-cellular regions are characterized as statistically stored dislocations with no detectable contribution to lattice curvature, and are the results of the interaction between dislocations and γ' precipitates.},

  doi          = {10.1016/j.addma.2020.101220},

  journal      = {Additive Manufacturing},

  number       = ,

  volume       = 34,

  place        = {United States},

  year         = {Sat Apr 25 00:00:00 EDT 2020},

  month        = {Sat Apr 25 00:00:00 EDT 2020}

}

Copy to clipboard

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Title: Multi-scale microstructural investigation of a laser 3D printed Ni-based superalloy

Abstract

Citation Formats

Microstructure and yield strength of SLM-fabricated CM247LC Ni-Superalloy journal, April 2017

The tensile deformation behavior of laser repaired Inconel 718 with a non-uniform microstructure journal, March 2017

Dislocation structures and their relationship to strength in deformed nickel microcrystals journal, August 2008

Epitaxial laser metal forming: analysis of microstructure formation journal, November 1999

On the origin of sliver defects in single crystal investment castings journal, August 2013

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Modulating laser intensity profile ellipticity for microstructural control during metal additive manufacturing journal, April 2017

Solidification path of single-crystal nickel-base superalloys with minor carbon additions under laser rapid directional solidification conditions journal, January 2017

Variation of crystal orientation during epitaxial growth of dendrites by laser deposition journal, April 2018

Strength and strain hardening of a selective laser melted AlSi10Mg alloy journal, December 2017

Dislocation network in additive manufactured steel breaks strength–ductility trade-off journal, May 2018

Microstructural optimization through heat treatment for enhancing the fracture toughness and fatigue crack growth resistance of selective laser melted Ti 6Al 4V alloy journal, May 2019

Additively manufactured hierarchical stainless steels with high strength and ductility journal, October 2017

Superior creep strength of a nickel-based superalloy produced by selective laser melting journal, September 2016

On the measurement of dislocations and dislocation substructures using EBSD and HRSD techniques journal, August 2019

A synchrotron study of defect and strain inhomogeneity in laser-assisted three-dimensionally-printed Ni-based superalloy journal, November 2015

Producing Ni-base superalloys single crystal by selective electron beam melting journal, July 2018

Laser aided direct metal deposition of Inconel 625 superalloy: Microstructural evolution and thermal stability journal, May 2009

Selective laser melting enabling the hierarchically heterogeneous microstructure and excellent mechanical properties in an interstitial solute strengthened high entropy alloy journal, August 2019

Effect of heat treatment on the microstructural evolution of a precipitation-hardened superalloy produced by selective laser melting journal, March 2019

Mechanism of heat affected zone cracking in Ni-based superalloy DZ125L fabricated by laser 3D printing technique journal, July 2018

Quantitative Scanning Laue Diffraction Microscopy: Application to the Study of 3D Printed Nickel-Based Superalloys journal, June 2018

Formation of metastable cellular microstructures in selective laser melted alloys journal, June 2017

Micro-and meso-structures and their influence on mechanical properties of selectively laser melted Ti-6Al-4V journal, August 2018

μ Phase in a Nickel Base Directionally Solidified Alloy journal, January 2005

Laves phase control of Inconel 718 alloy using quasi-continuous-wave laser additive manufacturing journal, May 2017

Strengthening and hardening mechanisms of additively manufactured stainless steels: The role of cell sizes journal, March 2020

Repair and manufacturing of single crystal Ni-based superalloys components by laser powder deposition—A review journal, February 2015

Tensile, fracture, and fatigue crack growth properties of a 3D printed maraging steel through selective laser melting journal, November 2017

A peak position comparison method for high-speed quantitative Laue microdiffraction data processing journal, January 2018

Microstructure and yield strength of SLM-fabricated CM247LC Ni-Superalloy
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The tensile deformation behavior of laser repaired Inconel 718 with a non-uniform microstructure
journal, March 2017

Dislocation structures and their relationship to strength in deformed nickel microcrystals
journal, August 2008

Epitaxial laser metal forming: analysis of microstructure formation
journal, November 1999

On the origin of sliver defects in single crystal investment castings
journal, August 2013

Cube slip and non-Schmid effects in single crystal Ni-base superalloys
journal, December 2009

Modulating laser intensity profile ellipticity for microstructural control during metal additive manufacturing
journal, April 2017

Solidification path of single-crystal nickel-base superalloys with minor carbon additions under laser rapid directional solidification conditions
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Variation of crystal orientation during epitaxial growth of dendrites by laser deposition
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Strength and strain hardening of a selective laser melted AlSi10Mg alloy
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Dislocation network in additive manufactured steel breaks strength–ductility trade-off
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Microstructural optimization through heat treatment for enhancing the fracture toughness and fatigue crack growth resistance of selective laser melted Ti 6Al 4V alloy
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