K. S. PRASAD ET AL.

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875

“Weld Microstructure Refinement in a 1441 Grade Alu-

minium-Lithium Alloy,” Journal of Material Science,

Vol. 32, No. 5, 1997, pp. 4117-4126.

doi:10.1023/A:1018662126268

[4] D. K. Zhang and J. T. Niu, “Application of Artificial

Neural Network Modeling to Plasma Arc Welding of

Aluminum Alloys,” Journal of Advanced Metallurgical

Sciences, Vol. 13, No. 1, 2000, pp. 194-200.

[5] S.-C. Chi and L.-C. Hsu, “A Fuzzy Radial Basis Function

Neural Network for Predicting Multiple Quality Charac-

teristics of Plasma Arc Welding,” 9th IFSA World Con-

gress and 20th NAFIPS International Conference, Vol. 5,

2001, pp. 2807-2812.

[6] Y. F. Hsiao, Y. S. Tarng and W. J. Huang, “Optimization

of Plasma Arc Welding Parameters by Using the Taguchi

Method with the Grey Relational Analysis,” Journal of

Materials and Manufacturing Processes, Vol. 23, No. 1,

2008, pp. 51-58. doi:10.1080/10426910701524527

[7] K. Siva, N. Muragan and R. Logesh, “Optimization of

Weld Bead Geometry in Plasma Transferred Arc Hard-

facing Austenitic Stainless Steel Plates Using Genetic

Algorithm,” International Journal of Advanced Manu-

facturing Technology, Vol. 41, No. 1-2, 2008, pp. 24-30.

doi:10.1007/s00170-008-1451-3

[8] A. K. Lakshinarayana, V. Balasubramanian, R. Vara-

hamoorthy and S. Babu, “Predicted the Dilution of Plas-

ma Transferred Arc Hardfacing of Stellite on Carbon

Steel Using Response Surface Methodology,” Metals and

Materials International, Vol. 14, No. 6, 2008, pp. 779-

789. doi:10.3365/met.mat.2008.12.779

[9] V. Balasubramanian, A. K. Lakshminarayanan, R. Vara-

hamoorthy and S. Babu, “Application of Response Sur-

face Methodolody to Prediction of Dilution in Plasma

Transferred Arc Hardfacing of Stainless Steel on Carbon

Steel,” Science Direct, Vol. 16, No. 1, 2009, pp. 44-53.

[10] E. Taban, A. Dhooge and E. Kaluc, “Plasma Arc Welding

of Modified 12% Cr Stainless Steel,” Materials and

Manufacturing Processes, Vol. 24, 2009, pp. 649-656.

[11] N. Kahraman, M. Taskin, B. Gulenc and A. Durgutlu,

“An Investigation into the Effect of Welding Current on

the Plasma Arc Welding of Pure Titanium,” Kovove Ma-

ter, Vol. 48, 2010, pp. 179-184.

[12] N. Srimath and N. Muragan, “Prediction and Optimiza-

tion of Weld Bead Geometry of Plasma Transferred Arc

Hardfacing Valve Seat Rings,” European Journal of Sci-

entific Research, Vol. 51, No. 2, 2011, pp. 285-298.

[13] K. S. Prasad, C. S. Rao and D. N. Rao, “Prediction of

Weld Quality in Plasma Arc Welding Using Statistical

Approach,” International Journal of Science and Tech-

nology in Production and Manufacturing Engineering,

Vol. 3, No. 4, 2010, pp. 1-7.

[14] K. S. Prasad, Ch. S. Rao and D. N. Rao, “Optimizing

Pulsed Current Micro Plasma Arc Welding Parameters to

Maximize Ultimate Tensile Strength of Inconel 625

Nickel Alloy Using Response Surface Method,” Interna-

tional Journal of Engineering, Science and Technology,

Vol. 3, No. 6, 2011, pp. 226-236.

[15] K. S. Prasad , Ch. S. Rao and D. N. Rao, “Prediction of

Weld Pool Geometry in Pulsed Current Micro Plasma

Arc Welding of SS304L Stainless Steel Sheets,” Interna-

tional Transaction Journal of Engineering, Management

& Applied Sciences & Technologies, Vol. 2, No. 3, 2011,

pp. 325-336.

[16] K. S. Prasad, Ch. S. Rao and D. N. Rao, “A Study on

Weld Quality Characteristics of Pulsed Current Micro

Plasma Arc Welding of SS304L Sheets,” International

Transaction Journal of Engineering, Management & Ap-

plied Sciences & Technologies, Vol. 2, No. 4, 2011, pp.

437-446.

[17] K. S. Prasad, Ch. S. Rao and D. N. Rao, “Prediction of

Weld Bead Geometry in Plasma Arc Welding Using Fac-

torial Design Approach,” Journal of Minerals & Materi-

als Characterization & Engineering, Vol. 10, No. 10,

2011, pp. 875-886.

[18] K. S. Prasad, Ch. S. Rao and D. N. Rao, “Establishing

Empirical Relationships to Predict Grain Size and Hard-

ness of Pulsed Current Micro plasma Arc Welded Inconel

625 Sheets,” Journal of Materials & Metallurgical Engi-

neering, Vol. 1, No. 3, 2011, pp. 1-10.

[19] D. C. Montgomery, “Design and Analysis of Experi-

ments,” 3rd Edition, John Wiley & Sons, New York,

1991, pp. 291-295.

[20] G. E. P. Box, W. H. Hunter and J. S. Hunter, “Statistics

for Experiments,” John Wiley & Sons, New York, 1978,

pp. 112-115.

[21] S. Babu, T. S. Kumar and V. Balasubramanian, “Opti-

mizing Pulsed Current Gas Tugsten Arc Welding Pa-

rameters of AA6061 Aluminium Alloy Using Hooke and

Jeeves Algorithm,” Transactions of Nonferrous Metals

Society of China, Vol. 18, No. 5, 2008, pp. 1028-1036.

doi:10.1016/S1003-6326(08)60176-4

[22] W. G. Cochran and G. M. Cox, “Experimental Designs,”

John Wiley & Sons Inc., London, 1957.

[23] T. B. Barker, “Quality by Experimental Design,” ASQC

Quality Press, Marcel Dekker, 1985.

[24] W. P. Gardiner and G. Gettinby, “Experimental Design

Techniques in Statistical Practice,” Horwood, Chichester,

1998.

[25] D. Kalyanmoy, “Optimization for Engineering Design,”

Prentice Hall, New Delhi, 1988.