Study of Inhibition Function of Grinding Fluid Additive to Leaching Cobalt from Cemented Carbide

Abstract:

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Grinding fluid is the essential supplementary material in cemented carbide grinding process. The amine-base additive can make cobalt leach from cemented carbide. Through grinding test, this paper mainly studies the influence of TEA-containing solution on cobalt leaching from cemented carbide and the leaching mechanism by SEM and AES, and then identifies the effective inhibitor. The results are as follows: (1) TEA additive can make cobalt leach from cemented carbide. (2) Additive of triethanolamine oleate in the solution can obviously inhibit the leaching of cobalt from cemented carbide. (3) Additive of benzotriazole in the solution can obviously inhibit the leaching of cobalt from cemented carbide. (4)The mixture of triethanolamine oleate, borax and benzotriazole has the best inhibition function. So it can conclude: The mixture of triethanolamine oleate, borax and benzotriazole can obviously reduce the leaching of cobalt from the cemented carbide, and reduce the danger of the fluid to human body.

Info:

Periodical:

Edited by:

Bo Zhao, Xipeng Xu, Guangqi Cai and Renke Kang

Pages:

381-385

DOI:

10.4028/www.scientific.net/KEM.416.381

Citation:

H. Q. Zhang et al., "Study of Inhibition Function of Grinding Fluid Additive to Leaching Cobalt from Cemented Carbide ", Key Engineering Materials, Vol. 416, pp. 381-385, 2009

Online since:

September 2009

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Price:

$35.00

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