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21 results on '"Shinde, Vasudev D."'

2. Application of Thermal Analysis to Study the Effect of Inoculation on the Solidification of Ductile Cast Iron

Author

Sangame, Bahubali B., Reddy, Y. Prasannatha, Shinde, Vasudev D., Chaari, Fakher, Series Editor, Gherardini, Francesco, Series Editor, Ivanov, Vitalii, Series Editor, Cavas-Martínez, Francisco, Editorial Board Member, di Mare, Francesca, Editorial Board Member, Haddar, Mohamed, Editorial Board Member, Kwon, Young W., Editorial Board Member, Trojanowska, Justyna, Editorial Board Member, Maurya, Ambrish, editor, Srivastava, Anmesh Kumar, editor, Jha, Pradeep Kumar, editor, and Pandey, Shailesh Mani, editor

Published
2023
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15. Evolution of microstructure and hardness in shell moulded impeller casting.

Author

Kabnure, Bahubali B., Shinde, Vasudev D., and Patil, Deepak C.

Subjects
MOLDS (Casts & casting), NODULAR iron, FINITE difference method, HARDNESS, MICROSTRUCTURE
Abstract

To remain competitive in this growing field of the manufacturing industry, there is a need to reduce the lead times in the development of a component. The virtual simulation environment tool can be utilised for minimising production time as well as assure defect-free casting. This technique is based on heat transfer and volumetric calculations for prediction of possible defects. In this paper, analysis of automobile impeller casting is explored. The modelling of the casting and feeding system is done using the CATIA software. The CAD model of the impeller is imported into the simulation environment for solidification simulation. The simulation is performed using SolidCAST software which is based on the Finite Difference Method. The simulations are performed to ensure proper feeding for achieving sound casting. The melting trials are performed in jobbing foundry. The hardness and microstructure analysis of simulated and experimental casting is performed so as to correlate. The section thickness and cooling rates in casting were analysed and used for formulating hardness and microstructure in the experimental castings. The statistical predictions based on simulated and experimental results are presented for formulating Brinell hardness and amount of pearlite phase in particular section of shell moulded ductile iron casting. [ABSTRACT FROM AUTHOR]

Published
2022
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19. Thermal Analysis of Ductile Iron Casting

Author

Shinde, Vasudev D.

Subjects
Technology & Engineering / Metallurgy
Abstract

Pure metals solidify with a solidification front that is very well defined and a clearly delineated solid-liquid interface. Ductile cast iron solidification is characterised by a very thin solidified skin and appearance of different phases. The outer skin is formed being very thin in ductile iron; the expansion occurs due to graphite nucleation into the casting forces to the mould walls. With proper care taken while designing and during melt processing stage, quality ductile iron castings can be produced with minimal risering. With recent developments in sensing and storing instruments, it is now possible to see and measure structural transformations within the solidification in ductile iron castings very precisely. The shape of a cooling curve measured by a thermocouple mounted on a thermal analysis sample cup reflects the solidification process of the melted cast alloy for the given solidification conditions. By analysing particular cooling curve, the solidification start, eutectic arrests, recalescence, amount of undercooling and end of freezing temperature temperatures are generated. The thermal analysis data so generated will be used to study composition, soundness, chill and microstructure by analysis of cooling curve. The cooling rates measured in degrees per second at different stages of solidification sequence will be analysed and correlated with the properties of the castings to be produced from the same melt.

Published
2018

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