Abstract
Structural steel samples were boronized with a newly introduced boronizing pack containing boric acid (H3BO4), cryolite (Na3B4O7), aluminum and aluminum oxide (Al2O3). In this research, the effect of precarburizing treatment on the morphology of the boride layer was studied and compared with unprecarburized specimens. The treated specimens were characterized using SEM, x-ray diffractometry, ED AX and microhardness tester. The results indicate that the boride layers are constituted by Fe2B in either case. It has also been found that with precarburized specimens, the thickness of boride layer has been reduced and its morphology changed to a more flat structure.
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