Paper Title:
Effects on Inorganic Binder to Improve Strength and Hardness of α+ Al18B4O33w/AC4CH Alloy Composites
  Abstract

20 vol.% aluminum borate whisker (Al18B4O33w) reinforced AC4CH alloy composite was fabricated by squeeze casting method. The matrix is controlled its impurities, which make metal alloys, especially AC4CH alloy that is made by restraining 0.2% Iron and aluminum to make a matrix material. The perform of composite materials was made from Al18B4O33w with 5% regulated three kinds of inorganic binders, SiO2, Al2O3 and TiO2 sol, respectively and then sintered at 1373K. The composites were obtained by squeeze cast infiltration of the molten alloy to the perform. Then it was squeeze casting into the matrix. The status of adhesions of whisker perform was Observed by SEM. Micro-Vickers hardness and tensile properties at the room temperature were estimated. Al18B4O33w/AC4CH composites containing TiO2 sol has excellent properties on tensile properties and micro-vickers hardness compared with the other composites without inorganic binder, containing SiO2 and Al2O3 sol inorganic binder.

  Info
Periodical
Key Engineering Materials (Volumes 261-263)
Edited by
Kikuo Kishimoto, Masanori Kikuchi, Tetsuo Shoji and Masumi Saka
Pages
1451-1456
DOI
10.4028/www.scientific.net/KEM.261-263.1451
Citation
Y. B. Choi, J. W. Jung, W. J. Park, S. C. Huh, K. Y. Lee, H. K. Yoon, G. Sasaki, "Effects on Inorganic Binder to Improve Strength and Hardness of α+ Al18B4O33w/AC4CH Alloy Composites", Key Engineering Materials, Vols. 261-263, pp. 1451-1456, 2004
Online since
April 2004
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Price
$32.00
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