By Wolfgang Schneider, H.R. Müller
Over the past decade, non-stop casting has received expanding value as a hugely constructed know-how for the construction of more desirable caliber pre-forms for particular next processing via either the copper and the sunshine metals undefined. present development additionally comprises spray forming as an more and more vital processing choice. as a result, specialists from the producing undefined, researchers and scientists from college and in addition to providers of kit and ancillary items have to remain up to date on newest technical, comparatively cheap and ecological advancements.
those complaints of the continual Casting 2005 convention will overview the full diversity of the processing chain protecting either soften remedy and casting expertise in addition to particular measures for micro-structural keep an eye on. a focus of the programme will take care of modelling and simulation that has develop into a vital part of contemporary production. but additionally protection and future health points may be approached.
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Extra info for Continuous Casting: Proceedings of the International Conference on Continuous Casting of Non-Ferrous Metals
However, without quantitative data of the mechanical behavior of alloys at high temperatures particularly in the mushy state, it is not possible predict to whether a cracking during casting will occur for a given stress and deformation [3,4]. Generally, even if the alloys are the same, ingots of finer grain materials hardly cause cracking problems. But fracture criterion is often not described quantitatively in the literature. Therefore 3004 alloy used as can body was taken up in the present study and the objectives was settled next threefold: the first is to identify the crack initiation and clarify the cracking behavior, the second is to quantify the effect of grain size to mechanical properties in the mushy state and the third is to clarify the criterion of ingot cracking used by numerical simulation in some casting conditions.
J. Themelis: “Kinetics of As and Sb removal from molten Copper”; EPD Congress, The Minerals, Metals & Materials Society, 1995, pp. 515–524 B. Hübschen Dissertation, Shaker, 2004 W. P. Kamath, R. K. Sharma, S. Gupta, Copper2003 – Cobre 2003, Fifth international Conference, 719–727, 2003 23 A Study on Surface Defects Caused by Grain Refiners O. Keles, M. Dundar Assan Aluminum, Istanbul, Turkey 1 Abstract The role of grain refiners has been gaining importance in improving characteristics of as-cast and end wrought products.
It is hard to distinguish these insoluble particles in 26 Figure 3: EDS analyses a) a cross section of the filter b) the metal left in the tip section as cast strips. The processes applied in lithographic sheet production easily reveal those defects existing on the surface. They become extremely noticeable as black streaks on the surface after brushing, etching, and anodizing operations. In Figure 5 a lithographic sheet having a black streak on its surface and related optical microscope and EDS analyses are given.
Continuous Casting: Proceedings of the International Conference on Continuous Casting of Non-Ferrous Metals by Wolfgang Schneider, H.R. Müller