Cracking mechanism and susceptibility of laser melting deposited Inconel 738 superalloy
TLDR
In this paper, the authors conducted a comprehensive study on the cracking behavior by using optical microscope (OM), scanning electron microscopy (SEM), energy dispersion spectrum (EDS), electron backscatter diffraction (EBSD), X-ray diffraction(XRD), and differential scanning calorimetry (DSC).About:
This article is published in Materials & Design.The article was published on 2019-12-05 and is currently open access. It has received 101 citations till now. The article focuses on the topics: Electron backscatter diffraction & Liquation.read more
Citations
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Recent research and development status of laser cladding: A review
TL;DR: In this paper, a comprehensive review of the laser cladding (LC) material system is presented, as high entropy alloys (HEAs), amorphous alloy and single crystal alloy have been gradually showing their advantages over traditional metal materials in LC.
Journal ArticleDOI
Alloys-by-design: Application to new superalloys for additive manufacturing
Yuanbo T. Tang,Chinnapat Panwisawas,Joseph N. Ghoussoub,Yilun Gong,John W. G. Clark,André A. N. Németh,D. Graham McCartney,Roger C. Reed +7 more
TL;DR: In this paper, a new grade of γ/γ′ nickel-based superalloy for the additive manufacturing process is designed using computational approaches, taking account of the need to avoid defect formation via solidification and solid-state cracking.
Journal ArticleDOI
Progress and perspectives in laser additive manufacturing of key aeroengine materials
TL;DR: In this paper, the authors provide a critical and in-depth evaluation of laser powder bed fusion (LPBF) and laser directed energy deposition (LDED) technologies of the mentioned aeroengine materials.
Fatigue cracking at twin boundaries: Effects of crystallographic orientation and stacking fault energy (vol 60, pg 3113, 2012)
TL;DR: Zhang et al. as mentioned in this paper proposed a method for Chinese Acad Sci, Shenyang National Lab Mat Sci, Inst Met Res, 72 Wenhua Rd, Shenya 110016, Peoples R China.
Journal ArticleDOI
Defects and anomalies in powder bed fusion metal additive manufacturing
Amir Mostafaei,Cang Zhao,Yining He,Seyed Reza Ghiaasiaan,Bo Shi,Shuai Shao,Nima Shamsaei,Ziheng Wu,Nadia Kouraytem,Tao Sun,Joseph Pauza,Jerard V. Gordon,Bryan A. Webler,Niranjan D. Parab,Mohammadreza Asherloo,Qi Chao Guo,Lianyi Chen,Anthony D. Rollett +17 more
TL;DR: In this article , a review of common defects and anomalies in powder bed fusion metal additive manufacturing processes is presented, where the formation mechanism and practical mitigation strategies are discussed, as well as properties such as mechanical behavior and corrosion resistance of defective parts.
References
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Review of in-situ process monitoring and in-situ metrology for metal additive manufacturing
Sarah K. Everton,Sarah K. Everton,Matthias Hirsch,Petros Stravroulakis,Richard Leach,Adam T. Clare +5 more
TL;DR: In this paper, the state-of-the-art with respect to inspection methodologies compatible with additively manufactured (AM) processes is explored with the intention of identifying new avenues for research and proposing approaches to integration into future generations of AM systems.
Book ChapterDOI
Theory of Microstructural Development during Rapid Solidification
Rohit Trivedi,Wilfried Kurz +1 more
TL;DR: In this article, some of the fundamental factors which play important roles in determining microstructures under rapid solidification condition are described, and it is shown that the interface stability analysis needs to be extended to include the possibility of high thermal as well as high solute undercoolings.
Journal ArticleDOI
An overview of Direct Laser Deposition for additive manufacturing; Part I: Transport phenomena, modeling and diagnostics
TL;DR: A detailed overview of the thermal/fluid properties inherent in the direct laser deposition (DLD) process can be found in this article, with a focus on the mechanical properties and microstructure of parts manufactured via DLD.
Book
Welding Metallurgy and Weldability of Nickel-Base Alloys
TL;DR: In this article, the authors present an overview of the history of Ni-base Alloy Classification and its application in Solid-Solution-Strengthened Alloy Alloys and Welding Metallurgy.
Journal ArticleDOI
An overview of Direct Laser Deposition for additive manufacturing; Part II: Mechanical behavior, process parameter optimization and control
TL;DR: In this paper, the authors provide an overview of the mechanical characteristics and behavior of metallic parts fabricated via direct laser deposition (DLD), while also discussing methods to optimize and control the DLD process.