Additive Manufacturing in the Aerospace Industry: Impact on Purchasing Process

2021 ◽  
pp. 111-118
Author(s):  
J. Morcillo-Bellido ◽  
J. Martínez-Fernández ◽  
J. Morcillo-García
Keyword(s):  
Additive Manufacturing ◽  
Aerospace Industry ◽  
Purchasing Process

Preliminary Investigation into the Suitability of 2xxx Alloys for Wire-Arc Additive Manufacturing

2016 ◽  
Vol 877 ◽  
pp. 611-616 ◽  
Author(s):  
J. Fixter ◽  
J. Gu ◽  
J. Ding ◽  
Stewart W. Williams ◽  
Philip B. Prangnell
Keyword(s):  
Heat Treatment ◽  
Additive Manufacturing ◽  
Preliminary Investigation ◽  
Aerospace Industry ◽  
Grain Structure ◽  
Size Refinement ◽  
Experimental Trials ◽  
Wire Arc Additive Manufacturing ◽  
Deformation By Rolling ◽  
Manufacturing Modelling

An investigation has been performed into the compatibility of aluminum alloys used in the aerospace industry with Wire-Arc Additive Manufacturing. Modelling and preliminary experimental trials have been performed to show that it is viable to use Al-Cu-Mg alloys, like 2024, without solidification cracking. A relatively fine and texture free grain structure was obtained in the as-deposited WAAM material and the addition of inter-pass deformation, by rolling each added layer, led to further grain size refinement. With adequate control of porosity and subsequent heat treatment, the WAAM material was found to have tensile properties comparable to that of standard wrought products.

Additive Manufacturing Process and Their Applications for Green Technology

2019 ◽  
pp. 262-281
Author(s):  
Keshavamurthy R. ◽  
Vijay Tambrallimath ◽  
Prabhakar Kuppahalli ◽  
Sekhar N.
Keyword(s):  
Additive Manufacturing ◽  
Manufacturing Process ◽  
Raw Materials ◽  
Aerospace Industry ◽  
Green Technology ◽  
Manufacturing Processes ◽  
Additive Process ◽  
Industrial Manufacturing ◽  
Manufacturing Techniques ◽  
Traditional Manufacturing

Growth of nature is an additive process that gives sustainable existence to the structures developed; on the other hand, traditional manufacturing techniques can be wasteful as they are subtractive. Additive manufacturing produces almost nil waste and accordingly preserves raw materials resulting in cost reduction for the procurement of the same. It will also cut down on the carbon emissions that are usually generated from industrial manufacturing. Additive printed objects are lighter as well, making them more efficient, especially when used in the automobile and aerospace industry. Further, the intrinsic characteristics and the promising merits of additive manufacturing process are expected to provide a solution to improve the sustainability of the process. This chapter comprehensively reports on various additive manufacturing processes and their sustainable applications for green technology. The state of the art, opportunities, and future, related to sustainable applications of additive manufacturing have been presented at length.

scholarly journals COMPARING ENVIRONMENTAL IMPACTS OF METAL ADDITIVE MANUFACTURING TO CONVENTIONAL MANUFACTURING

2021 ◽  
Vol 1 ◽  
pp. 671-680
Author(s):  
Corrie Van Sice ◽  
Jeremy Faludi
Keyword(s):  
Additive Manufacturing ◽  
Fuel Efficiency ◽  
Aerospace Industry ◽  
Wire Drawing ◽  
The Other ◽  
Future Studies ◽  
Metal Additive Manufacturing ◽  
Use Phase ◽  
Design Freedom ◽  
Metal Additive

AbstractMetal additive manufacturing (AM) is revered for the design freedom it brings, but is it environmentally better or worse than conventional manufacturing? Since few direct comparisons are published, this study compared AM data from life-cycle assessment literature to conventional manufacturing data from the Granta EduPack database. The comparison included multiple printing technologies for steel, aluminum, and titanium. Results showed that metal AM had far higher CO2 footprints per kg of material processed than casting, extrusion, rolling, forging, and wire drawing, so it is usually a less sustainable choice than these. However, there were circumstances where it was a more sustainable choice, and there was significant overlap between these circumstances and aerospace industry use of metal AM. Notably, lightweight parts reducing embodied material impacts, and reducing use-phase impacts through fuel efficiency. Finally, one key finding was the irrelevance of comparing machining to AM per kg of material processed, since one is subtractive and the other is additive. Recommendations are given for future studies to use more relevant functional units to provide better comparisons.

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