Integrated control of solidification microstructure and melt pool dimensions in electron beam wire feed additive manufacturing of ti-6al-4v

Additive Manufacturing

Volumn 1, Issue , 2014, Pages 119-126

  Gockel, Joy ^a   Beuth, Jack ^a   Taminger, Karen ^b  

^a CARNEGIE MELLON UNIVERSITY   (United States)

^b NASA LANGLEY RESEARCH CENTER   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

3D PRINTERS; ADDITIVES; ALUMINUM ALLOYS; ASPECT RATIO; ELECTRON BEAMS; GRAIN SIZE AND SHAPE; LAKES; MICROSTRUCTURE; SOLIDIFICATION; TERNARY ALLOYS; TITANIUM ALLOYS;

CROSS SECTIONAL AREA; DIMENSION CONTROL; GRAIN MORPHOLOGIES; INDIRECT CONTROL; NUMERICAL PREDICTIONS; PROCESS MAPPING; PROCESS VARIABLES; SOLIDIFICATION MICROSTRUCTURES;

MORPHOLOGY;

EID: 84915826428     PISSN: None     EISSN: 22148604     Source Type: Journal    
DOI: 10.1016/j.addma.2014.09.004     Document Type: Article

References (29)

1. Taminger K.M., Hafley R.A. Electron beam freeform fabrication for cost effective near-net shape manufacturing. NATO/RTOAVT-139 specialists meeting on cost effective manufacture via net shape processing 2006.
2. Grylls R. Laser engineered net shapes. Adv Mater Process 2003, 45.
3. Beuth J., Klingbeil N. The role of process variables in laser-based direct metal solid freeform fabrication. JOM 2001, 36-39.
4. Vasinonta A., Beuth J., Griffith M. Process maps for predicting residual stress and melt pool size in the laser-based fabrication of thin-walled structures. J Manuf Sci Eng 2007, 129(1):101-109.
5. Fox J., Beuth J. Process mapping of transient melt pool response in wire feed E-beam additive manufacturing of Ti-6Al-4V. Freeform fabrication proceedings 2013, 675-683.
6. Beuth J., Fox J., Gockel J., Montgomery C., Yang R., Qiao H., et al. Process mapping for qualification across multiple direct metal additive manufacturing processes. Solid freeform fabrication proceedings 2013, 655-665.
7. Arcella F., Froes F. Producing titanium aerospace components from powder using laser forming. JOM 2000, 52:28-30.
8. Eylon D., Newman J.R., Thorne J.K. Metals handbook 1990, vol. 2. ASM International, Materials Park, OH. 10th ed.
9. Donachie M. Titanium a technical guide 2007, ASM.
10. Lutjering G., Williams J.C. Titanium 2007, Springer. 2nd ed.
11. Kobryn P., Semiatin S. Microstructure and texture evolution during solidification processing of Ti-6Al-4V. J Mater Process Technol 2003, 13:330-339.
12. Baufeld B., Van der Biest O., Gault R. Additive manufacturing of Ti-6Al-4V components by shaped metal deposition: microstructure and mechanical properties. Mater Des 2010, 31:106-111.
13. Murr L.E., Esquivel E.V., Quinones S.A., Gaytan S.M., Lopez M.I., Martinez E.Y., et al. Microstructures and mechanical properties of electron beam-rapid manufactured Ti-6Al-4V biomedical prototypes compared to wrought Ti-6Al-4V. Mater Charact 2009, 60:96-105.
14. Brandl E., Leyens C., Palm F. Mechanical properties of additive manufactured Ti-6Al-4V using wire and powder based processes. Trends Aerosp Manuf 2009.
15. Brandl E., Schoberth A., Leyens C. Morphology, microstructure, and hardness of titanium (Ti-6Al-4V) blocks deposited by wire-feed additive layer manufacturing (ALM). Mater Sci Eng A 2012, 532:295-307.
16. Antonysamy A., Prangnell P., Meyer J. Effect of wall thickeness transitions on texture and grain structure in additive layer manufacture (ALM) of Ti-6Al-4V. Mater Sci Forum 2012, 205-210.
17. Puebla K., Murr L., Gaytan S., Martinez E., Medina F., Wicker R. Effect of melt scan rate on microstructure and macrostructure for electron beam melting of Ti-6Al-4V. Mat Sci Appl 2012, 3:259-264.
18. Hrabe N., Quinn T. Effects of processing on microstructure and mechanical properties of a titanium alloy (Ti-6Al-4V) fabricated using electron beam melting (EBM), Part 1. Distance from build plate and part size. Mater Sci Eng A 2013, 573:264-270.
19. Hrabe N., Quinn T. Effects of processing on microstructure and mechanical properties of a titanium alloy (Ti-6Al-4V) fabricated using electron beam melting (EBM), Part 2. Energy input, orientation and location. Mater Sci Eng A 2013, 573:271-277.
20. Bontha S., Klingbeil N. Thermal process maps for controlling microstructure in laser-based solid freeform fabrication. Solid freeform fabrication proceedings 2003, 219-226.
21. Bontha S., Klingbeil N., Kobryn P., Fraser H.L. Effects of Process Variables and Size Scale on Solidification Microstructure in Beam-Based Fabrication of Bulky 3D Structures. Mater Sci Eng A 2009, 514:311-318.
22. Bontha S., Klingbeil N., Kobryn P., Fraser H. Thermal process maps for predicting solidification microstructure in laser fabrication of thin wall structures. J Mater Process Technol 2006, 178:135-142.
23. Kobryn P., Moore E., Semiatin S. The effect of laser power and traverse speed on microstructure, porosity and build height in laser deposited Ti-6Al-4V. Scr Mater 2000, 43:299-305.
24. J. Beuth, N. Klingbeil, and J. Gockel, Process mapping of cooling rates and thermal gradient, PCT/US2013/055422, August 16, 2013.
25. Gockel J., Beuth J. Understanding Ti-6Al-4V microstructure control in additive manufacturing via process maps. Solid freeform fabrication proceedings 2013, 666-674.
26. Soylemez E., Beuth J., Taminger K. Controlling melt pool dimensions over a wide range of material deposition rates in electron beam additive manufacturing. Solid freeform fabrication proceedings 2010, 571-582.
27. Fox J. Unpublished research 2014, Carnegie Mellon University, Internal report.
28. Hunt J.D. Steady state columnar and equiaxed growth of dendrites and eutectic. Mater Sci Eng 1984, 65:75-83.
29. ASTM Standard E112-13 Standard test methods for determining average grain size 2013, ASTM International, West Conshohocken, PA.