کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
614934 1454838 2013 5 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Formation of TiS and Ti4C2S2 in steel matrix composites prepared by the plasma transferred arc (PTA) technique using TiS2 and TiC powders
موضوعات مرتبط
مهندسی و علوم پایه مهندسی شیمی شیمی کلوئیدی و سطحی
پیش نمایش صفحه اول مقاله
Formation of TiS and Ti4C2S2 in steel matrix composites prepared by the plasma transferred arc (PTA) technique using TiS2 and TiC powders
چکیده انگلیسی
A powder mixture of TiS2 and TiC was used in order to produce a hard, self-lubricating composite coating on an AISI 1522H plain steel substrate, using the plasma transferred arc technique. The produced coating was 1400 μm thick. It consisted of three microconstituents (TiC large dendrites with branches of Ti4C2S2, peritectic TiS and TiS secondary eutectics), occupying 22.7±2 vol% of the ferritic matrix composite. The hardness of the coating was 645±32 HVN. Analytic microscopy and three-point bending tests verified the existence of Ti4C2S2. Pin-on-disc tests against an Al2O3 counterbody showed that TiS and Ti4C2S2 lower both the friction coefficient and the wear rate, compared to the corresponding values of TiC-AISI 1522H composite and of AISI 1522H plain steel.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Tribology International - Volume 66, October 2013, Pages 44-48
نویسندگان
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