Srivastava, V C and Shukla, P and Ojha, S N (2001) Microstructural features induced by spray forming process. Journal of Metallurgy and materials Science, 43 (2). pp. 77-91.
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Spray forming is a novel materials processing technique for obtaining near net shape products. It involves atomisation of liquid melt into a spray of micron sized droplets by high energy gas jets and its collection over a substrate giving rise to a dense perform. This provides several microstructural and process benefits. Interesting microstructural features as well as constitution of phases have been reported. Some of the microstructures observed in spray formed AI-Si, AI-Si-Fe alloys are also discussed. The development of microstructures during spray deposition is a complex phenomenon. This has been explained in light of thermal profiles of the deposit as well as process parameters employed during spray deposition. A large number of critical experiments and modelling studies have been made to develop mechanisms for the evolution of microstructures.
|Spray forming process ; Spray characteristics ; Droplet dynamics and thermal profiles ; Spray deposition process ; Rapid solidification techniques
|Metal Extraction and Forming
|Sahu A K
|28 Jul 2010 15:58
|02 May 2012 12:19
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