Journal ArticleDOI
The laser additive manufacture of Ti-6Al-4V
P. A. Kobryn,S. L. Semiatin +1 more
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TLDR
In this paper, the relationship between LAM processing parameters and microstructure in as-deposited Ti-6Al-4V was investigated, and the results presented in this paper provide a first look at the relationships between the two parameters.Abstract:
Laser additive manufacturing (LAM) is a manufacturing technique with cost-reduction potential for titanium aerospace components. The mechanical properties of LAM Ti-6Al-4V have been investigated extensively, but little work on microstructure evolution has been performed to date. The results presented here provide a first look at the relationships between LAM processing parameters and microstructure in as-deposited Ti-6Al-4V.read more
Citations
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Journal ArticleDOI
Machine Learning-Enabled Competitive Grain Growth Behavior Study in Directed Energy Deposition Fabricated Ti6Al4V
TL;DR: In this paper, an artificial neural network (ANN) was used to investigate the relation between the grain boundary tilt angle and three causative factors, namely the thermal gradient, crystal orientation and Marangoni effect.
Book ChapterDOI
Chapter 17 – Laser-Based Additive Manufacturing Processes
TL;DR: A short review of laser-based additive manufacturing techniques, their applications, challenges, and future trends can be found in this paper, where the laser beam is used as a heat source to melt a large variety of metals and alloys.
Journal ArticleDOI
Texture evolution as a function of scan strategy and build height in electron beam melted Ti-6Al-4V
Alec Saville,Sven C. Vogel,Adam A. Creuziger,Jake T. Benzing,Adam L. Pilchak,Peeyush Nandwana,Jonah Klemm-Toole,Kester D. Clarke,S. Lee Semiatin,Amy J. Clarke +9 more
TL;DR: In this paper, a triclinic specimen symmetry was used to assess the texture properties of metal additive manufacturing (AM) metal alloy microstructures (grain morphology, crystallographic texture, and phase content) as a function of scan strategy and build height.
Journal ArticleDOI
A Methodology for Predicting Surface Crack Nucleation in Additively Manufactured Metallic Components
TL;DR: In this paper, a methodology for predicting surface crack nucleation in AM materials has been developed by considering the stress concentration factors associated with the surface micro-notches, the cycles to surface fracture nucleation, and the threshold stress ranges for the growth or non-growth of the microcracks.
Journal ArticleDOI
Laser additive processing of Fe-Si-B-Cu-Nb magnetic alloys
R. Conteri,R. Conteri,Tushar Borkar,Soumya Nag,D. Jaeger,Xi Chen,Raju V. Ramanujan,Rajarshi Banerjee +7 more
TL;DR: In this paper, the magnetic alloy of nominal composition, Fe 73.5 Si 13.5 B 9 Nb 3 Cu 1, has been successfully processed using the laser engineered net shaping (LENS™) process, from a feedstock of elemental powders.
References
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Book
Fundamentals of Solidification
W. Kurz,D. J. Fisher +1 more
TL;DR: In this article, Atom Transfer at the Solid/Liquid Interface Morphological Instability of a Solid/ Liquid Interface Solidification Microstructure: Cells and Dendrites SolidificationMicrostructure, Eutectic and Peritectic Solute Redistribution Rapid Solidization Microstructures Summary Appendices Symbols Index
Book
Titanium: A Technical Guide
TL;DR: In this paper, the authors provide a summary of the most useful information required to understand titanium and its alloys and present a review of the significant features of the metallurgy and application of titanium and alloys.
Journal ArticleDOI
On the process of transition of the cubic-body-centered modification into the hexagonal-close-packed modification of zirconium
TL;DR: In this paper, the process of transition of the cubic-body-centred modification into the hexagonal-close-packed modification of zirconium can be described by means of a combination of shearing- and dilatation-processes parallel to definite crystallographic directions.
Journal ArticleDOI
The effect of laser power and traverse speed on microstructure, porosity, and build height in laser-deposited Ti-6Al-4V
Solid Freeform Fabrication Symposium (9th) Held at The University of Texas in Austin on August 11-13, 1998; 1998 Report and Proceedings
D. L. Bourell,J. J. Beaman +1 more
TL;DR: The Ninth Solid Freeform Fabrication Symposium (SFF) as mentioned in this paper was held at The University of Texas in Austin on August 11-13, 1998, attended by over 150 national and international researchers.