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Research On The Technique Of Manufacture Copper Base Catalysis Alloy Plate

Posted on:2011-10-20Degree:MasterType:Thesis
Country:ChinaCandidate:J W YuanFull Text:PDF
GTID:2121360305467561Subject:Materials Processing Engineering
Abstract/Summary:PDF Full Text Request
The alloy is researched in this paper is the packfong which contain the essential elements Ni, Sn. In the paper, the solidification process and rolling process of the Cu-Ni alloy are simulated by the casting software ProCAST and DEFORM-3D software respectively. The Numerical simulation result can guide and optimize the processing design, improve the product quality and properties, increase the rate of finished products, shorten the trial-produce period of the product, reduce the cost.The simulation software PROCAST was used to simulate the Cu-Ni alloy solidification process and temperature field with the three molds silica (sand, graphite, and low carbon steel). The Cu-Ni alloy was prepared in a main frequency furnace with three different molds made of silica sand, graphite, and low carbon steel in the foundry. The microstructure, composition of the copper based alloy have been extensively investigated by the optical microscopy (OM), the scanning electron microscopy (SEM), together with the energy dispersive spectroscopy (EDS). The results show that the grain average size and the primary and secondary dendrite arm space were obviously reduced with the increase of cooling rate. The Sn and Ni are positive segregation elements which severely clustered in the interdendritie area, the Zn and Cu are negative segregation elements which severely clustered in the dendrite regions. The dendrite and interdendrite element segregation also decrease with increasing cooling rate. So gain the optimize result which is the permanent mold with the insulated riser system.Data exchange program was compiled. Node element and the temperature at the node files were transmitted into DEFORM using the interface program. The connection between the ProCAST and DEFORM systems were well carried out. The rolling mold was established and the rolling process was simulated by the software DEFORM-3D. The metal flow regularities, energy parameters, and the temperature field distribution, stress field distribution and strain field distribution of rolling Plate during various stages were investigated. And the result can provided some technical and theoretical supports for established rational rolling schedule.
Keywords/Search Tags:Cu-Ni alloy, Solidification Simulation, ProCAST, rolling Simulation, DEFORM-3D
PDF Full Text Request
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