کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
618803 1455033 2010 7 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Wear mechanisms and microstructure of pulsed plasma nitrided AISI H13 tool steel
موضوعات مرتبط
مهندسی و علوم پایه مهندسی شیمی شیمی کلوئیدی و سطحی
پیش نمایش صفحه اول مقاله
Wear mechanisms and microstructure of pulsed plasma nitrided AISI H13 tool steel
چکیده انگلیسی

AISI H13 tool steel discs were pulsed plasma nitrided during different times at a constant temperature of 400 °C. Wear tests were performed in order to study the acting wear mechanisms. The samples were characterized by X-ray diffraction, scanning electron microscopy and hardness measurements. The results showed that longer nitriding times reduce the wear volumes. The friction coefficient was 0.20 ± 0.05 for all tested conditions and depends strongly on the presence of debris. After wear tests, the wear tracks were characterized by optical and scanning electron microscopy and the wear mechanisms were observed to change from low cycle fatigue or plastic shakedown to long cycle fatigue. These mechanisms were correlated to the microstructure and hardness of the nitrided layer.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Wear - Volume 269, Issues 5–6, 19 July 2010, Pages 466–472
نویسندگان
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