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Aluminium Cast House Technology VII by Peter R. Whiteley

By Peter R. Whiteley

This package deal comprises the complaints from the seventh Australian Asian Pacific convention on Aluminium forged apartment know-how in either print formats.

  • Present the most recent advancements in solid condo gear, methods, expertise, defense, markets, and management
  • Broaden the educational of engineers and scientists curious about melting and casting technologies
  • Address subject matters of universal trouble to solid homes and foundries
  • Emphasize the necessity for down-stream processing and value-added product within the context of Australian exports to the Asian and Pacific regions

The e-book includes greater than 30 technical papers masking all features of aluminum forged condo know-how conception and perform together with furnace coaching, soften therapy, casting, and caliber issues.

A selection of papers from the seventh Australian Asian Pacific convention on Aluminium solid apartment expertise, to be held September 23-26, 2001

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Additional info for Aluminium Cast House Technology VII

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H. De Young, "Na and Ca Pick-up from Hall Bath in Ingot Furnaces," Light Metals 1997, Edited by R. Huglen, (Warrendale, PA: The Metallurgical Society, 1997), 647 - 653. 43 Measurement of die Performance of In-Line Processes Using LiMCA T. N. Ware, M. Cooksey and M. J. Couper. Comalco Research & Technical Support (CRTS), Comalco Aluminium Ltd. 15 Edgars Rd. Thomastown, Vic, 3074 Abstract Over recent years, the Liquid Metal Cleanliness Analyser (LiMCA) has become a frequently used tool for measuring the number and size of inclusions in molten aluminium The LiMCA generally provides a good measure of the number of inclusions in the melt, but in-line processes can influence the results obtained.

Measurements taken at the Furnace Exit during cast H are consistent and low as expected. 52 The results in Figure 8 demonstrate the problems with LiMCA measurements using standard vacuum conditions after in-line degassing. Measurements are generally high and sporadic, and are not believed to reliably represent inclusion counts in these positions due to interference from bubbles. N20 measurements for the times during the two casts using pressure mode are seen in Figure 9. A significant amount of noise was also observed on the oscilloscope for all measurements made after the degasser (Filter Bowl Entry and Exit).

The experimental casting work was carried out at the ALCOA Technical Center. The full details are published in Reference 18. Salt Probe Theory The underlying principle for both the salt probe and salt filter are the same and therefore referred to as the "salt system". The operational principle for the "salt system" is based on interfacial surface phenomena between the various liquid phases (salt and aluminium) and the solid salt system material. When dealing with interfaces between liquids and solids, the contactwetting angle (6) between the various phases is indicative of the work associated with the detaching of the inclusion from the interface.

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