Hardfacing technologies for improvement of wear characteristics of hot working tools: A review

International Journal of Precision Engineering and Manufacturing

Volumn 14, Issue 7, 2013, Pages 1271-1283

  Ahn, Dong Gyu ^a  

^a Chosun University   (South Korea)

Author keywords

Application of hardfacing; Future research issues; Hardfacing materials; Hardfacing technology; Hot working tools; Key technology; Service life; Wear characteristics

Indexed keywords

SERVICE LIFE; WEAR OF MATERIALS;

HARD FACING MATERIALS; HOT WORKING TOOLS; KEY TECHNOLOGIES; RESEARCH ISSUES; WEAR CHARACTERISTICS;

HOT WORKING;

EID: 84891942339     PISSN: 22347593     EISSN: 20054602     Source Type: Journal    
DOI: 10.1007/s12541-013-0174-z     Document Type: Review

References (102)

1. Alimirzaloo, V., Sadeghi, M. H., and Biglari, F. R., "Optimization of the Forging of Aerofoil Blade Using the Finite Element Method and Fuzzy-Pareto Based Genetic Algorithm, " J. Mech. Sci. Tech., Vol. 26, No. 6, pp. 1801-1810, 2012.
2. Ko, D. H., Kang, B. H., Ko, D. C., and Kim, B. M., "Improvement of Mechanical Properties of Al6061 Extrudate by Die Cooling with N2 Gas During Hot Extrusion, " J. Mech. Sci. Tech., Vol. 27, No. 1, pp. 153-161, 2013.
3. Liu, H. S., Xing, Z. W., Bao, J., and Song, B. Y., "Investigation of the Hot-Stamping Process for Advanced High-Strength Steel Sheet by Numerical Simulation, " J. Mater. Eng. Perform., Vol. 19, No. 3, pp. 325-334, 2010.
4. Hu, B. H., Tong, K. K., Niu, X. P., and Pinwill, I., "Design and Optimisation of Runner and Gating Systems for the Die Casting of Thin-walled Magnesium Telecommunication Parts through Numerical Simulation, " J. Mater. Process. Technol., Vol. 105, No. 1-2, pp. 128-133, 2000.
5. Tomov, B., "Hot Closed Die Forging-State-of-Art and Future Development, " J. of Achievements in Materials and Manufacturing Engineering, Vol. 24, No. 1, pp. 443-449, 2007.
6. Krimpenis, A., Benardos, P. G., Vosniakos, G. C., and Koukouvitaki, A., "Simulation-based Selection of Optimum Pressure Die-casting Process Parameters Using Neural Nets and Genetic Algorithms, " Int. J. Adv. Manuf. Technol., Vol. 27, No. 5-6, pp. 509-517, 2006.
7. Lange, K., "Cost Minimization in Small Quantity Production of Stepped Shafts by Combined NC-Radial Forging and NC-Turning-A New Approach to Flexible Manufacturing Systems, " Annals of CIRP-Manuf. Technol., Vol. 34, No. 2, pp. 549-555, 1985.
8. Lange, K., Cser, L., Geiger, M., and Kals, J. A. S., "Tool Life and Tool Quality in Bulk Metal Forming, " Annals of CIRP-Manuf. Technol., Vol. 41, No. 2, pp. 667-675, 1992.
9. Cser, L., Geiger, M., Lange, K., Kals, J. A. S., and Hänesl, M., "Tool Life and Tool Quality in Bulk Metal Forming, " Proc. IMechE Part B: J. Engng. Manuf., Vol. 207, No. 4, pp. 223-239, 1993.
10. Venkatesan, K. and Shivpuri, R., "Experimental and Numerical Investigation of the Effect of Process Parameters on the Erosive Wear of Die Casting Dies, " J. Mater. Eng. Perform., Vol. 4, No. 2, pp. 166-1744, 1995.
11. Terèelj. M., Panjan, P., Fajfar, P., and Turk, R., "A Newly Designed Laboratory Hot Forging Test for Evaluation of Coated Tool Wear Resistance, " Surf. Coat. Technol., Vol. 200, No. 11, pp. 3594-3604, 2006.
12. Kashani, H., Amadeh, A., and Vatanara, M. R., "Improvement of Wear Resistance of Hot Working Tool Steel by Hardfacing Part 2-Case Study, " Mater. Sci. Technol., Vol. 24, No. 3, pp. 356-360, 2008.
13. Venkatesan, K., Subramanian, C., and Summerville, E., "Three-body Abrasion of Surface Engineered Die Steel at Elevated Temperature, " Wear, Vol. 203-204, No. 3, pp. 129-138, 1997.
14. Torkar, M., Godec, M., and Lamut, M., "Investigation of Die for Pressure Die-casting of Mg-alloy, " Engineering Failure Analysis, Vol. 16, No. 1, pp. 176-181, 2009.
15. Summerville, E., Venkatesan, K., and Subramanian, C., "Wear Processes in Hot Forging Press Tools, " Mater. Des., Vol. 16, No. 5, pp. 289-294, 1995.
16. Terèelj. M., Perus, I., and Turk, R., "Suitability of CAE Neural Networks and FEM for Prediction of Wear on Die Radii in Hot Forging, " Tribol. Int., Vol. 36, No. 8, pp. 573-583, 2003.
17. Farhani, M., Amadeh, A., Kashani, H., and Saeed-Akbari, A., "The Study of Wear Resistance of a Hot Forging Die, Hardfaced by a Cobalt-base Superalloy, " Mater. Sci. Forum, Vol. 30, pp. 212-218, 2006.
18. Miller, A. E. and Maijer, D. M., "Investigation of Erosive-corrosive Wear in the Low Pressure Die Casting of Aluminum A356, " Mater. Sci. Eng. A, Vol. 435-436, pp. 100-111, 2006.
19. Shivpuri, R., Chu, Y. L., Venkatesan, K., Conrad, J. R., Sridharan, K., Shamim, M., and Fetherston, R. P., "An Evaluation of Metallic Coatings for Erosive Wear Resistance in Die Casting Applications, " Wear, Vol. 192, No. 1-2, pp. 49-55, 1996.
20. Kang, J. H., Park, I. W., Jae, J. S., and Kang, S. S., "A Study on a Die Wear Model Considering Thermal Softening: (I) Construction of the Wear Model, " J. Mater. Process. Technol., Vol. 94, No. 2-3, pp. 183-188, 1999.
21. Kang, J. H., Park, I. W., Jae, J. S., and Kang, S. S., "A Study on a Die Wear Model Considering Thermal Softening: (II) Application of the Suggested Wear Model, " J. Mater. Process. Technol., Vol. 96, No. 1-3, pp. 53-58, 1999.
22. Doege, E., Groche, P., and Bobke, T., "Application of Adhesion Theory to Friction and Wear Processes in Hot Die Forging, " Advanced Technology of Plasticity, Vol. 1, pp. 27-32, 1990.
23. Lee, R. S. and Jou, J. L., "Application of Numerical Simulation for Wear Analysis of Warm Forging Die, " J. Mater. Process. Technol., Vol. 140, No. 1-3, pp. 43-48, 2003.
24. Kim, Y. J. and Choi, C. H., "A Study on Life Estimation of Hot Forging Die, " Int. J. Precis. Eng. Manuf., Vol. 10, No. 3, pp. 105-113, 2009.
25. Kim, H. J., Yoo, S. S., and Kim, D. E., "Nano-scale Wear: A Review, " Int. J. Precis. Eng. Manuf., Vol. 13, No. 9, pp. 1709-1718, 2012.
26. Sjöström J. and Bergström, J., "Thermal Fatigue in Hot-working Tools, " Scandinavian Journal of Metallurgy, Vol. 34, No. 4, pp. 221-231, 2005.
27. Rohde, J. and Jeppsson, A., "Literature Review of Heat Treatment Simulations with Respect to Phase Transformation, Residual Stresses and Distortion, " Scandinavian Journal of Metallurgy, Vol. 29, No. 2, pp. 47-62, 2000.
28. Cho, J. R., Kang, W. J., Kim, M. G., Lee, J. H., Lee, Y. S., and Bae, W. B., "Distortions Induced by Heat Treatment of Automotive Bevel Gears, " J. Mater. Process. Technol., Vol. 140, No. 1-3, pp. 43-48, 2003.
29. Mitterer, C., Holler, F., Üstel, F., and Heim, D., "Application of Hard Coatings in Aluminium Die Casting-Soldering, Erosion and Thermal Fatigue Behaviour, " Surf. Coat. Technol., Vol. 125, No. 1-3, pp. 233-239, 2000.
30. Navinšek, B., Panjan, P., Urankar, I., Cvahte, P., and Gorenjak, F., "Improvement of Hot-working Processes with PVD Coating and Duplex Treatment, " Surf. Coat. Technol., Vol. 142-144, pp. 1148-1154, 2001.
31. Panjan, P., Urankar, I., Navinšek, B., Terèelj. M., Turk, R., Cekada, M., and Leskovšek, V., "Improvement of Hot Forging Tools with Duplex Treatment, " Surf. Coat. Technol., Vol. 151-152, pp. 505-509, 2002.
32. Khan, T. I., Rizvi, S. A., and Matsuura, K., "The Effect on Wear Behaviour of H13 Tool Steel Surfaces Modified Using a Tungsten Arc Heat Source, " Wear, Vol. 244, No. 1-2, pp. 154-164, 2000.
33. Nicholson, F., "Weld Metal Deposit Coated Tool Steel, " US Patent 4110514, 1978.
34. Pawlowski, L., "Thick Laser Coatings: A Review, " Journal of Thermal Spray Technology, Vol. 8, No. 2, pp. 279-295, 1999.
35. Kim, H. I., Park, H. S., Koo, J. M., Seok, C. S., Yang, S. H., and Kim, M. Y., "Evaluation of Welding Characteristics for Manual Overlay and Laser Cladding Materials in Gas Turbine Blade, " J. Mech. Sci. Tech., Vol. 26, No. 7, pp. 2015-2018, 2012.
36. Ahn, D. G., "Application of Laser Assisted Metal Rapid Tooling Process to Manufacture of Molding & Forming Tools-State of the Art, " Int. J. Precis. Eng. Manuf., Vol. 12, No. 5, pp. 925-938, 2011.
37. Shin, K. H., Natu, H., Dutta, D., and Mazumder, J., "A Method for the Design and Fabrication of Heterogeneous Objects, " Mater. Des., Vol. 24, No. 5, pp. 339-353, 2003.
38. http://en.wikipedia.org/wiki/Hardfacing.
39. Wang, J., Prakash, S., Joshi, Y., and Liou, F., "Laser Aided Part Repair-A Review, " http://edge.rit.edu/edge/P10551/public/SFF/SFF% 202002%20Proceedings/2002%20SFF%20Papers/07-Wang.pdf.
40. Ocken, H., "The Galling Wear Resistance of New Iron-Base Hardfacing Alloy: a Comparison with Established Cobalt-and Nickel-base Alloys, " Surf. Coat. Technol., Vol. 76-77, No. 2, pp. 456-461, 1995.
41. Levin, B. F., DuPont, J. N., and Marder, A. R., "Weld Overlay Coatings for Erosion Control, " Wear, Vol. 181-183, No. 2, pp. 810-820, 1999.
42. Kim, G. S., "Weld Hardfacing Technology, " Journal of KWS, Vol. 17, No. 5, pp. 36-39, 1999.
43. Ion, J. C., "Laser Processing of Engineering Materials, " ELSEVIER, pp. 298-326, 2005.
44. ASM International Handbook Committee, "ASM Handbook-Tenth Edition, Volume 1, Properties and Selection: Irons, Steels and High-Performance Alloys, " ASM International, pp. 950-980, 1990.
45. Silence, W. L., "Effect of Structure on Wear Resistance of Co-, Feand Ni-Base Alloys, " J. Lubr. Technol., Vol. 100, No. 3, pp. 428-435, 1978.
46. Kim, J. K. and Kim, S. J., "The Temperature Dependence of the Wear Resistance of Iron-Base NOREM 02 Hardfacing Alloy, " Wear, Vol. 237, No. 2, pp. 217-222, 2000.
47. Aoh, J. N. and Chen, J. C., "On the Wear Characteristics of Cobaltbased Hardfacing Layer after Thermal Fatigue and Oxidation, " Wear, Vol. 250, No. 1-12, pp. 611-620, 2001.
48. Cui, C., Guo, Z., Liu, Y., Xie, Q., Wang, Z., Hu, J., and Yao, Y., "Characteristics of Cobalt-based Alloy Coating on Tool Steel Prepared by Powder Feeding Laser Cladding, " Optics & Laser Technology, Vol. 39, No. 8, pp. 1544-1550, 2007.
49. Suh, J. H., Kim, J. S., Han, J. H., Lee, D. H., and Hwang, S. S., "Development of a Technology for Amorphous Material (Co-free) Hardfacing on Primary Side Component Materials Using Laser Beam to Improve Their Wear, Erosion, Corrosion Resistance, " KAERI, 2000.
50. Navas, C., Conde, A., Cadenas, M., and de Damborenea, J., "Tribological Properties of Laser Clad Stellite 6 Coatings on Steel Substrates, " Surface Engineering, Vol. 22, No. 1, pp. 26-34, 2006.
51. Kohopää, J., Hakonen, H., and Kivivuori, S., "Wear Resistance of Hot Forging Tools Surfaced by Welding, " Wear, Vol. 130, No. 1, pp. 103-112, 1989.
52. Persson, D. H. E., "On the Mechanisms behind the Tribological Performance of Stellites, " Ph.D. Thesis, Science and Technology, Uppsala University, 2005.
53. d'Oliveira, A. S. C. M., Vilar, R., and Feder, C. G., "High Temperature Behaviour of Plasma Transferred Arc and Laser Cobased Alloy Coatings, " Appl. Surf. Sci., Vol. 201, No. 1-4, pp. 154-160, 2002.
54. Persson, D. H. E., Jacobson, S., and Hogmark, S., "Antigalling and Low Friction Properties of a Laser Processed Co-based Material, " J. Laser Appl., Vol. 15, No. 2, pp. 115-119, 2003.
55. Radu, I. and Li, D. Y., "Investigation of the Role of Oxide Scale on Stellite 21 Modified with Yttrium in Resisting Wear at Elevated Temperatures, " Wear, Vol. 259, No. 1-6, pp. 453-458, 2005.
56. Deloro Stellite, "STELLITE 6 ALLOY, " http://stellite.co.uk/Portals/0/Stellite%206%20Final.pdf.
57. Deloro Stellite, "STELLITE 21 ALLOY, " http://www. stellite.co.uk/Portals/0/Completed%20Data%20Sheets/Stellite%2021%20DS01-22208%20(S%20R0808).pdf.
58. Deloro Stellite, "Deloro 50 EXV, " http://stellite.com/Portals/0/pdf/Datasheets/Deloro%2050%20EXV%20DS05-23108%20 (S%20R0808).pdf.
59. Ocken, H., "Performance of NOREMTM Hardfacing Alloys, " Electric Power Research Institute Inc.(EPRI), TR-112993, 1999.
60. Ming, Q., Lim, L. C., and Chen, Z. D., "Laser Cladding of Nickelbased Hardfacing Alloys, " Surf. Coat. Technol., Vol. 106, No. 2-3, pp. 174-182, 1998.
61. Mansori, M. EL. and Nouari, M., "Dry Machinability of Nickelbased Weld-hardfacing Layers for Hot Tooling, " Int. J. Mach. Tools Manuf., Vol. 47, No. 11, pp. 1715-1727, 2007.
62. Gurumoorthy, K., Kamaraj, M., Rao, K. P., Rao, A. S., and Venugopal, S., "Microstructural Aspects of Plasmas Transferred Arc Surfaced Ni-based Hardfacing Alloy, " Mater. Sci. Eng. A, Vol. 456, No. 1-2, pp. 11-19, 2007.
63. Stott, F. H., Lin, D. S., and Wood, G. C., "The Structure and Mechanism of Formation of the 'Glaze' Oxide Layers Produced on Nickel-based Alloys During Wear at High Temperatures, " Corros. Sci., Vol. 13, No. 6, pp. 449-453, 1973.
64. Stott, F. H., "High-temperature Sliding Wear of Metals, " Tribol. Int., Vol. 35, No. 8, pp. 489-495, 2002.
65. Qian, M., Lim, L. C., Chen, Z. D., and Chen, W. L., "Parametric Studies of Laser Cladding Processes, " J. Mater. Process. Technol., Vol. 63, No. 1-3, pp. 590-593, 1997.
66. Kitagawa, A., Kubo, K., and Maekawa, K., "Temperature and Wear of Cutting Tools in High Speed Machining of Inconel 718 and Ti-6Al-6V-2Sn, " Wear, Vol. 202, No. 2, pp. 142-148, 1997.
67. Ezugwu, E. O., Wang, Z. M., and Machado, A. R., "The Machinability of Nickel-based Alloys: A Review, " J. Mater. Process. Technol., Vol. 86, No. 1-3, pp. 1-16, 1999.
68. Lehockey, E. M., Palumbo, G., and Lin, P., "Improving the Weldability and Service Performance of Nickel-and Iron-Based Superalloys by Grain Boundary Engineering, " Metallurgical and Materials Transaction A, Vol. 29, No. 12, pp. 3069-3079, 1998.
69. Persson, D. H. E., Jacobson, S., and Hogmark, S., "Effect of Temperature on Friction and Galling of Laser Processed NOREM 02 and Stellite 21, " Wear, Vol. 255, No. 1-6, pp. 498-503, 2003.
70. Fouilland, L., El Mansori, M., and Gerland, M., "Role of Welding Process Energy on the Microstructural Variations in a Cobalt Base Superalloy Hardfacing, " Surf. Coat. Technol., Vol. 201, No. 14, pp. 6445-6451, 2007.
71. Fouilland, L., El Mansori, M., and Massaq, A., "Friction-induced Work Hardening of Cobalt-base Hardfacing Deposits for Hot Forging Tools, " J. Mater. Process. Technol., Vol. 209, No. 7, pp. 3366-3373, 2009.
72. Kashani, H., Amadeh, A., and Ghasemi, H. M., "Room and High Temperature Wear Behaviors of Nickel and Cobalt Base Weld Overlay Coatings on Hot Forging Dies, " Wear, Vol. 262, No. 7-8, pp. 800-806, 2007.
73. Pradeep, G. R. C., Ramesh, A., and Durga Prasad, B., "A Review Paper on Hardfacing Processes and Materials, " International Journal of Engineering Science and Technology, Vol. 2, No. 11, pp. 6507-6510, 2010.
74. Liu, D., Liu, R., Wei, Y., and Pan, P., "Influence of Carbon Content on Shock Hardening Behavior of Cobalt-base Hardfacing Deposits, " Materials and Manufacturing Processes, DOI: 10.1080/10426914. 2012.727117, 2012.
75. Stern, K. H., "Metallurgical and Ceramic Protective Coatings, " Chapman & Hall, pp. 74-111, 1996.
76. Jiang. W. H. and Kovacevic, R., "Laser Deposited TiC/H13 Tool Steel Composite Coatings and Their Erosion Resistance, " J. Mater. Process. Technol., Vol. 186, No. 1-3, pp. 331-338, 2007.
77. Tobar, M. J., Amado, J. M., Álvarez, C., García, A., Varela, A., and Yáñez, A., "Characteristics of Tribaloy T-800 and T-900 Coatings on Steel Substrates by Laser Cladding, " Surf. Coat. Technol., Vol. 202, No. 11, pp. 2297-2301, 2008.
78. Kaiele, S., Barroi, A., Noelke, C., Hermsdorf, J., Overmeyer, L., and Haferkamp, H., "Review on Laser Deposition Welding: From Micro to Macro, " Physics Procedia, Vol. 39, pp. 336-345, 2012.
79. Klocke, F., Brecher, C., Wegener, M., Heinen, D., Fisher, B., and Do-Khac, D., "Scanner-based Laser Cladding, " Physics Procedia, Vol. 39, pp. 346-353, 2012.
80. Arnold, J. and Volz, R., "Laser Powder Technology for Cladding and Welding, " Journal of Thermal Spray Technology, Vol. 8, No. 2, pp. 243-248, 1999.
81. D'Oliveira, A. S. C. M., Vilar, R., and Feder, C. G., "High Temperature Behaviour of Plasma Transferred Arc and Laser Cobased Alloy Coatings, " Appl. Surf. Sci., Vol. 201, No. 1-4, pp. 154-160, 2002.
82. Frenk, A. and Kurz, W., "Microstructural Effects on the Sliding Wear Resistance of a Cobalt-based Alloy, " Wear, Vol. 174, No. 1-2, pp. 81-91, 1994.
83. Mingxi, L., Yizhu, H., and Guoxiong, S., "Microstructure and Wear Resistance of Laser Clad Cobalt-based Alloy Multi-layer Coatings, " Appl. Surf. Sci., Vol. 230, No. 1-4, pp. 201-206, 2004.
84. Köhler, H., Partes, K., Kornmeier, J. R., and Vollertsen, F., "Residual Stresses in Steel Specimens Induced by Laser Cladding and Their Effect on Fatigue Strength, " Physics Procedia, Vol. 39, pp. 354-361, 2012.
85. Jiang, W. and Molian, P., "Laser Based Flexible Fabrication of Functionally Graded Mould Inserts, " Int. J. Adv. Manuf. Technol., Vol. 19, No. 9, pp. 646-654, 2002.
86. Jianli, S., Yongtang, L., Qilin, D., and Dejin, H., "Experimental Study of Laser Cladding Forming Iron-based Alloy, " Proc. of Technology and Innovation Conference, pp. 1463-1467, 2006.
87. Khalid Imran, M., Masood, S. H., Brandt, M., Bhattacharya, S., and Mazumder, J., "Direct Metal Deposition (DMD) of H13 Tool Steel on Copper Alloy Substrate: Evaluation of Mechanical Properties, " Mater. Sci. Eng. A, Vol. 528, No. 9, pp. 3342-3349, 2011.
88. Mudge, R. P. and Wald, N. R., "Laser Engineered Net Shaping Advances Additive Manufacturing and Repair, " Welding Journal, Vol. 86, No. 1, pp. 44-48, 2007.
89. DM3D Technology, "Hardfacing or Protective Coatings, " http://www.pomgroup.com/index.php/products-services/productandservicesproductionservicesandcomponents/productioservices-hardfacing.
90. InssTek Inc., http://www.insstek.com/service/index03.htm.
91. Dutta, B., "Die Hardfacing and Remanufacturing Using Direct Metal Deposition (DMD), " http://d12d0wzn4zozj6.cloudfront.net/pdf/LAM2012%20Presentation%2015.pdf.
92. Ahn, D. G., Kim, S. H., Lee, S. Y., and Lee, C. H., "Wear Characteristics of Hardfaced Surface via Rapid Tooling Process, " Proc. of ASME, pp. 116-117, 2010.
93. Ahn, D. G., "Annual Report on Basic Science Research Program of the National Research Foundation of Korea (NRF) (2012R1A1A4A01013986), " National Research Foundation of Korea, Annual Project Report, 2013.
94. Thivillon, L., Bertrand, P., Laget, B., and Smurov, I., "Potential of Direct Metal Deposition Technology for Manufacturing Thick Functionally Graded Coatings and Parts for Reactors Components, " J. Nucl. Mater., Vol. 385, No. 2, pp. 236-241, 2009.
95. Majumdar, J. D., "Laser Assisted Composite Surfacing of Materials for Improved Wear Resistance, " Physics Procedia, Vol. 5, Part A, pp. 425-430, 2010.
96. Paul, C. P., Mishra, S. K., Premsingh, C. H., Bhargava, P., Tiwari, P., and Kukreja, L. M., "Studies on Laser Rapid Manufacturing of Cross-thin-walled Porous Structures of Inconel 625, " Int. J. Adv. Manuf. Technol., Vol. 61, No. 5-8, pp. 757-770, 2012.
97. Yadroitsev, I., Shishkovsky, I., Bertrand, P., and Smurov, I., "Synthesis of Functionally Graded Materials by Direct Metal Deposition, " Proc. of the Fourth International WLT-Conference on Lasers in Manufacturing, pp. 117-181, 2007.
98. Smurov, I., "Laser Cladding and Laser Assisted Direct Manufacturing, " Surf. Coat. Technol., Vol. 202, No. 18, pp. 4496-4502, 2008.
99. Ocylok, S., Weisheit, A., and Kelbassa, I., "Functionally Graded Multi-layers by Laser Cladding for Increased Wear and Corrosion Protection, " Physics Procedia, Vol. 5, Part A, pp. 359-367, 2010.
100. Müller, S., Pries, H., Dilger, K., Ocylok, S., Weisheit, A., and Kelbassa, I., "Applying Functionally Graded Materials by Laser Cladding: a Cost-effective Way to Improve the Lifetime of Diecasting Dies, " Glocalized Solutions for Sustainability in Manufacturing: Proc. of the 18th CIRP International conference on Life Cycle Engineering, pp. 235-239, 2011.
101. Weiβ, W., Vollmer, R., and Kolleck, R., "Application of Laser Cladding in Forming Processes-Functionally Graded Coatings, " Proc. of AIP Conference, Vol. 1315, pp. 1151-1156, 2010.
102. Mazumder, J. and Lurie, R. H., "Repair, Reconfiguration and Reconstruction of Tools by Direct Metal Deposition, " http://www.mpif.org/ncrf_11/041311%20repair,%20reconfguration%20 and%20reconstruction%20of%20tools%20by%20direct%20metal %20deposition.pdf.