Phase and structural changes in nitriding of iron alloyed with titanium
Surface hardening of Fe−Ti alloys by nitriding is best with a titanium content not exceeding 1.3–1.5%. This produces a case with a high microhardness and good adhesion to the base metal. In alloys with a higher titanium content the amount of nitrogen dissolved in nitriding results in a sharp increase of the volume, embrittling the case and causing cracks.
KeywordsNitrogen Iron Titanium Structural Change Base Metal
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