Study of Wear & Corrosion Resistance of Cold Sprayed Components
Abstract
There is a major loss of material and process is observed in engineering application due to corrosion and wear. As the operating conditions are varying enormously, the mechanical component undergoes wear and corrosion for achieving wear resistant coating. Previously hot metal spray technique is used, which is now a day replaced with cold spray. There are many advantages of it over hot spray such as avoid melting and solidification, negligible thermal induced stress on substrate, avoid undesirable phases, avoid oxidation and higher deposition efficiency, good surface finish etc. There is a brief enlightening on wear mechanisms observed (corrosion, fatigue, adhesive and abrasive wear). In this technique the deposition efficiency is more. It’s Deposition Efficiency increases as the velocity of powder is increased. It can coat 5 – 50 mm ultra thick coating to serve its purpose. The case study shows utilization of cold spray technique and different material which coats substrate and their results. This case study is of orthopedic implants and effect of cold spray coating of different metals and their positive effects on human body. It shows that Tantalum gives a better wear resistance, good bio compatibility as well as long life (50 years). As Ta is having high surface energy, there is a better interaction between cell and material
References
[8] Edwards Joshua, Pialango, Don An Cha, Oh Kyung Kwon, Chan Woo Park , Cold Sprayed TI-Based protective coating on carbon steel for plate heat exchanger, Korean institute of Industrial Technology, Cheonan Chungcheongam, www. Kitech.re.kr [9] Brian De force, Tim Eden, John potter , Application of Aluminum coatings for corrosion protection of Magnesium by cold spray, US army research laboratory, Materials Analysis Group, AMSRL-WM-MD [10] Julio Villafuerte, Wenyue Zheng , Corrosion protection of Magnesium Alloys by Cold spray. [11] Dave Harvey, Novel Methods of Coating Production, [12] Keith Murray, Martin Kearns and Andrew Coleman, Design and Production of Powders Tailored to Cold Spraying, Sandvik Osprey Ltd., Red Jacket Works, Milland Road, Neath, SA11 1NJ United Kingdom. [13] Nooririnah, O., Rohana, A., Jeefferie, A.R. And NUZAIMAH, M., A Review On Supersonic Particle Deposition As Potential Solution For Aircraft Metal Mold Repair. www.getview.org [14] Kazuhiro Ogawa, Dowon Seo, Intechopen , Repair of turbine blades using cold spray technique, Fracture and Reliability Research Institute, Tohoku University Japan [15] Alkhimov, A.P., Papyrin, A.N., Kosarev, V.F., Nesterovich N.I., and Shushpanov M.M.(1994), “Gas-Dynamic Spraying Method for Applying a Coating”,, US Patent 5,302,414, April 12, 1994 [16] Masahiro Fukumoto, Hiroki Terada, Masahiro Mashiko,Kazunori Sato, Motohiro Yamada and Eiji Yamaguchi, Deposition of Copper Fine Particle by Cold Spray Process, Materials Transactions, Vol. 50, No. 6 (2009) pp. 1482 to 1488 #2009 The Japan Institute of Metals [17] William A Glaeser, Richard C Erickson, Keith F Dufrane, Jerrold W kannel Battelle; Tribology: the science of combatting wear . [18] Koji Kato , Koshi Adachi ; Wear mechanisms 2001 CRC press release [19] courtesy: ASB Industries online brochure on 27/10/2014
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