By Bhaskar Dutta, Francis H Froes
Additive production of Titanium Alloys: state-of-the-art, demanding situations and Opportunities offers substitute how you can the traditional procedure for the fabrication of nearly all of titanium elements produced through the forged and wrought strategy, a approach which consists of a large amount of dear machining.
In distinction, the Additive production (AM) technique permits very with regards to ultimate half configuration to be without delay fabricated minimizing machining rate, whereas reaching mechanical homes at the very least at solid and wrought degrees. moreover, the publication deals the good thing about major discount rates via greater fabric usage for components with excessive buy-to-fly ratios (ratio of preliminary inventory mass to ultimate half mass earlier than and after manufacturing).
As titanium additive production has attracted enormous cognizance from either academicians and technologists, and has already resulted in many purposes in aerospace and terrestrial platforms, in addition to within the scientific undefined, this e-book explores the original form making features and engaging mechanical homes which make titanium an excellent fabric for the additive production undefined.
- Includes assurance of the basics of microstructural evolution in titanium alloys
- Introduces readers to a number of the Additive production applied sciences, corresponding to Powder mattress Fusion (PBF) and Directed power Deposition (DED)
- Looks on the way forward for Titanium Additive Manufacturing
- Provides a whole overview of the technology, expertise, and purposes of Titanium Additive production (AM)
Read or Download Additive Manufacturing of Titanium Alloys. State of the Art, Challenges and Opportunities PDF
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Extra info for Additive Manufacturing of Titanium Alloys. State of the Art, Challenges and Opportunities
Heat treatment: All AM parts are amenable to any heat treatment. Parts processed by laser-based AM are usually followed with a stress relief treatment as rapid cooling laser processes induce residual stresses in the part. In contrast, electron beamÀbased AM parts do not require any stress relief. Depending on the final requirements, AM parts are often treated by hot isostatic pressing (HIP). Besides reducing the risk of undesirable porosities, a HIP process helps to break down the typical columnar microstructures that are associated with AM processes and allows for more equiaxed microstructure resulting in a more homogeneous microstructure and isotropic properties.
Accessed July 2013]. 9. slm-500_en. [accessed November 2013]. 10. pdf. November 2013]. [accessed 11. Dehoff R, Duty C, Peter W, Yamamoto Y, Chen W, Blue C, et al. Case study: additive manufacturing of aerospace brackets. Adv Mater Process 2013;171(3):19À22. 12. Dutta B, Palaniswamy S, Choi J, Song LJ, Mazumder J. Additive manufacturing by direct metal deposition. Adv Mater Process May 2011;33À6. 13. Dutta B,Palaniswami S, Choi J, Mazumder J. Rapid manufacturing and remanufacturing of DoD components using direct metal deposition.
Available from: http://dx. 054. 16. Clark D, Whittaker MT, Bache MR. Metall Mater Trans B April 2012;43B:388À96. 17. Baufeld B, Van der Biest O, Gault R. Mater Des 2010;31:S106À11. 032. 1 TECHNOLOGY COMPARISON While powder bed fusion (PBF) technologies are suitable for smaller, complex geometries, with hollow unsupported passages/structures, directed energy deposition (DED) is better suited for larger parts with coarser features requiring higher deposition rates. Usage of finer powder grains combined with smaller laser/electron beam size leads to a superior surface finish on the as-built parts from the PBF technologies as compared to DED technologies.
Additive Manufacturing of Titanium Alloys. State of the Art, Challenges and Opportunities by Bhaskar Dutta, Francis H Froes