Volume 14, Issue 1 (March 2017)                   IJMSE 2017, 14(1): 58-68 | Back to browse issues page



DOI: 10.22068/ijmse.14.1.8

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Ataei A, Jalaly M, Tamizifar M. SURFACE HARDENING OF TUNGSTEN-BASED HEAVY ALLOY VIA PACK BORONIZING. IJMSE. 2017; 14 (1) :58-68
URL: http://ijmse.iust.ac.ir/article-1-920-en.html

Abstract:   (2014 Views)

The boronizing of a tungsten heavy alloy containing Ni and Fe as the major alloying elements were performed in the present study to increase its surface hardening. Pack cementation method was employed as a well-known, successful solid-state process for boronizing. The coating treatment was accomplished at different temperatures of 1000, 1050 and 1100°C for 6 and 9 hours. The formation of tungsten boride phase was confirmed, although a silicide layer covered the surface of the specimen as the outer layer. The mechanism of the formation of a multilayered surface was explained. The maximum thickness of reaction zone and surface hardness achieved in the current work were 300 µm and 2470 HV, respectively.

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Type of Study: Research paper | Subject: Surfe coating and corrosion

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