Dissolution, recovery and fade of Sr master alloys in Al-7Si-0.5Mg casting alloys

Taylor, J. A., Couper, M. J., Smith, C. L. and Singh, D. P. K. (2005). Dissolution, recovery and fade of Sr master alloys in Al-7Si-0.5Mg casting alloys. In: Halvor Kvande, Light Metals 2005. 134th Annual Meeting of TMS, San Francisco, CA, USA, (1095-1100). 13-17 February 2005.

Author Taylor, J. A.
Couper, M. J.
Smith, C. L.
Singh, D. P. K.
Title of paper Dissolution, recovery and fade of Sr master alloys in Al-7Si-0.5Mg casting alloys
Conference name 134th Annual Meeting of TMS
Conference location San Francisco, CA, USA
Conference dates 13-17 February 2005
Proceedings title Light Metals 2005   Check publisher's open access policy
Journal name Light Metals 2005   Check publisher's open access policy
Place of Publication Hoboken, NJ, United States
Publisher John Wiley & Sons
Publication Year 2005
Sub-type Fully published paper
Open Access Status Not Open Access
ISSN 0147-0809
Editor Halvor Kvande
Start page 1095
End page 1100
Total pages 6
Language eng
Abstract/Summary A number of commercial Al-Sr master alloys of differing Sr content and product form have been added to Al-7Si-0.5Mg casting alloy melts and held at constant temperature for periods up to 7 hours following the addition. The master alloys were added to achieve a specific Sr target level of 200 ppm, and the melts were held at various temperatures (most at 710ºC, but also 670, 690, 740 and 770ºC). A total of thirty six melt trials were conducted and during each trial chill-cast disc samples were taken throughout for subsequent chemical analysis. The Sr concentration versus time data of each trial has been considered in terms of Sr dissolution/recovery behaviour, as well as Sr loss/fade. Trends in the data are identified and discussed, and implications for industrial practices are suggested.
Keyword Strontium
Al-Si casting alloys
Master alloys
Dissolusion
Q-Index Code E1
Q-Index Status Provisional Code
Institutional Status UQ

 
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Created: Fri, 24 Aug 2007, 07:06:15 EST