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NCSU Scholarly Publications Repository (Search Again)

A growing collection of publications and full text of scholarly works by NC State faculty members, graduate students, and research staff.

Number of Publications: 42
Ngaile, Gracious


Articles
Lowrie, J., Pang, H., & Ngaile, G. (2017). Weight reduction of heavy-duty truck components through hollow geometry and intensive quenching. Journal of Manufacturing Processes, 28, 523-530.

Li, L., Ngaile, G., & Hassan, T. (2017). A novel hybrid heating method for mechanical testing of miniature specimens at elevated temperature. Journal of Micro and Nano-Manufacturing, 5(2).

Lowrie, J., & Ngaile, G. (2016). New punch design for the elimination of punch ejection load through manipulation of the elastic strain field in the punch nose. Journal of Manufacturing Processes, 22, 49-59.

Alzahrani, B., & Ngaile, G. (2016). Preliminary investigation of the process capabilities of hydroforging. Materials, 9(1).

Hummel, S., & Ngaile, G. (2015). Die-less hydroforming of multi-lobe tubular structures. Proceedings of the Institution of Mechanical Engineers. Part B, Journal of Engineering Manufacture, 229(3), 435-452.

Ngaile, G., Lohr, P., Lowrie, J., Modlin, R. (2014). Development of chemically produced hydrogen energy-based impact bonding process for dissimilar metals. Journal of Manufacturing Processes, 16(4), 518-526.

Ngaile, G., & Welch, G. (2012). Optimal load path input in tube hydroforming machines. Proceedings of the Institution of Mechanical Engineers. Part B, Journal of Engineering Manufacture, 226(B4), 694-707.

Ngaile, G., & Kinsey, B. (2011). Advances in plastic forming of metals. Journal of Manufacturing Science and Engineering, 133(6).

Ghosh, A., Deshmukh, K., & Ngaile, G. (2011). Database for real-time loading path prediction for tube hydroforming using multidimensional cubic spline interpolation. Journal of Materials Processing Technology, 211(1), 150-166.

Bunget, C., & Ngaile, G. (2011). Influence of ultrasonic vibration on micro-extrusion. Ultrasonics, 51(5), 606-616.

Yang, C., & Ngaile, G. (2011). Preform design for tube hydroforming based on wrinkle formation. Journal of Manufacturing Science and Engineering, 133(6).

Ngaile, G., Yang, C., & Kilonzo, O. (2011). Real-time friction error compensation in tube hydroforming process control. Journal of Manufacturing Science and Engineering, 133(6).

Ghosh, A., Deshmukh, K., & Ngaile, G. (2010). Database for real-time loading path prediction for tube hydroforming using multidimensional cubic spline interpolation. Journal of Materials Processing Technology, .

Yang, C., & Ngaile, G. (2010). Preform design for forging and extrusion processes based on geometrical resemblance. Proceedings of the Institution of Mechanical Engineers. Part B, Journal of Engineering Manufacture, 224, 1409-1423.

Ngaile, G., & Yang, C. (2009). Analytical model for the characterization of the guiding zone tribotest for tube hydroforming. Journal of Manufacturing Science and Engineering, 131(2).

Ngaile, G., & Yang, C. (2008). Analytical model for characterizing the pear-shaped tribotest for tube hydroforming. Part 1. Proceedings of the Institution of Mechanical Engineers. Part B, Journal of Engineering Manufacture, 222(7), 849-863.

Yang, C., & Ngaile, G. (2008). Analytical model for planar tube hydroforming: Prediction of formed shape, corner fill, wall thinning, and forming pressure. International Journal of Mechanical Sciences, 50(8), 1263-1279.

Ngaile, G., & Yang, C. (2008). Applications of analytical model for characterizing the pear-shaped tribotest for tube hydroforming. Part 2. Proceedings of the Institution of Mechanical Engineers. Part B, Journal of Engineering Manufacture, 222(7), 865-873.

Ngaile, G., & Botz, F. (2008). Performance of graphite and boron-nitride-silicone based lubricants and associated lubrication mechanisms in warm forging of aluminum. Journal of Tribology, 130(2).

Gariety, M., Ngaile, G., & Altan, T. (2007). Evaluation of new cold forging lubricants without zinc phosphate precoat. International Journal of Machine Tools & Manufacture, 47(3-4), 673-681.

Ngaile, G., Cochran, J., & Stark, D. (2007). Formulation of polymer-based lubricant for metal forming. Proceedings of the Institution of Mechanical Engineers. Part B, Journal of Engineering Manufacture, 221(4), 559-568.

Ngaile, G., Hiroyuki, S., Ruan, L., & Marumo, Y. (2007). A tribo-testing method for high performance cold forging lubricants. Wear, 262, 684-692.

Ngaile, G., Gariety, M., & Altan, T. (2006). Enhancing tribological conditions in tube hydroforming by using textured tubes. Journal of Tribology, 128(3), 674-676.

Altan, T., Jain, N. T., Shi, X. X., Ngaile, G., Pax, B., Harman, B., & Homan, G. (2006). Progressive die sequence design for deep drawing round cups using finite element analysis. Journal of Manufacturing Science and Engineering, 128(1), 366-369.

Chandrasekharan, S., Palaniswamy, H., Jain, N., Ngaile, G., & Altan, T. (2005). Evaluation of stamping lubricants at various temperature levels using the ironing test. International Journal of Machine Tools & Manufacture, 45(05-Apr), 379-388.

Gutscher, G., Wu, H.-C., Ngaile, G., & Altan, T. (2004). Determination of flow stress for sheet metal forming using the viscous pressure bulge (VPB) test. Journal of Materials Processing Technology, 146, 1-7.

Palaniswamy, H., Ngaile, G., & Altan, T. (2004). Finite element simulation of magnesium alloy sheet forming at elevated temperatures. Journal of Materials Processing Technology, 146, 52-60.

Shirgaokar, M., Ngaile, G., Altan, T., Yu, J.-H., Balconi, J., Rentfrow, R., & Worrell, W. J. (2004). Hydraulic crimping: Application to the assembly of tubular components. Journal of Materials Processing Technology, 146, 44-51.

Ngaile, G., Jaeger, S., & Altan, T. (2004). Lubrication in tube hydroforming (THF). Part I: Lubrication mechanisms and development of model tests to evaluate lubricants and die coatings in the transition and expansion zones. Journal of Materials Processing Technology, 146, 108-115.

Ngaile, G., Jaeger, S., & Altan, T. (2004). Lubrication in tube hydroforming (THF). Part II: Performance evaluation of lubricants using LDH test and pear-shaped tube expansion test. Journal of Materials Processing Technology, 146, 116-123.

Palaniswamy, H., Ngaile, G., & Altan, T. (2004). Optimization of blank dimensions to reduce springback in the flexforming process. Journal of Materials Processing Technology, 146, 28-34.

Shirgaokar, M., Cho, H., Ngaile, G., Altan, T., Yu, J.-H., Balconi, J., Rentfrow, R., & Worrell, W. J. (2004). Optimization of mechanical crimping to assemble tubular components. Journal of Materials Processing Technology, 146, 35-43.

Aue-u-lan, Y., Ngaile, G., & Altan, T. (2004). Optimizing tube hydroforming using process simulation and experimental verification. Journal of Materials Processing Technology, 146, 137-143.

Cho, H., Ngaile, G., & Altan, T. (2003). Simultaneous determination of flow stress and interface friction by finite element based inverse analysis. CIRP Annals ... Manufacturing Technology, 52(1), 221-224.

Saiki, H., Ngaile, G., & Ruan, L. (1997). Characterization of adhesive strength of phosphate coatings in cold metal forming. Journal of Tribology, 119, 667-671.

Books
Bunget, C. J., & Ngaile, G. (2008). Ultrasonic microforming. Saarbrucken: VDM Verlag Dr. Muller.

Altan, T., Ngaile, G., & Shen G. (Eds.),. (2004). Cold and hot forging: Fundamentals and applications. Materials Park, Ohio: ASM International.

Conference Papers
Lowrie, J., & Ngaile, G. (2016). Analytical modeling of hydrodynamic lubrication in a multiple-reduction drawing die. In 44th north american manufacturing research conference, namrc 44. (Procedia Manufacturing, 5) (pp. 707-723).

Li, L., Ngaile, G., & Hassan, T. (2016). A novel hybrid heating method for elevated temperature mechanical testing of miniature specimens. (Proceedings of the ASME 11th International Manufacturing Science and Engineering Conference, 2016, vol 1, ).

Lowrie, J., & Ngaile, G. (2015). Novel extrusion punch design for improved lubrication and punch ejection. (Proceedings of the ASME 10th International Manufacturing Science and Engineering Conference, 2015, vol 1, ).

Lowrie, J. B., Ngaile, G. (2014). Enhancement of tribological performance via innovative tooling design for extrusion processes. (Proceedings of the ASME 9th International Manufacturing Science and Engineering Conference, 2014, vol 2, ).

Ghosh, A., Deshmukh, K., & Ngaile, G. (2011). Database for real-time loading path prediction for tube hydroforming using multidimensional cubic spline interpolation. (Proceedings of the ASME International Manufacturing Science and Engineering Conference 2010, vol 1, ) (pp. 609-618).


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