کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
1475228 991112 2014 12 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Improved resistance of alumina to mild wear by aluminium titanate additions
ترجمه فارسی عنوان
مقاومت آلومینا به سایش خفیف با افزودنی آلومینیوم تیتاناتا بهبود یافته است
موضوعات مرتبط
مهندسی و علوم پایه مهندسی مواد سرامیک و کامپوزیت
چکیده انگلیسی

The wear behaviour of an alumina (Al2O3)–aluminium titanate (Al2TiO5) composite containing 10 vol.% of second phase is studied and compared to that of single phase alumina. A careful control of the microstructure has been done in order to compare materials with similar alumina grain sizes. Wear tests have been performed on a pin on disk tribometer with an alumina ball as pin, at room temperature, under a normal force of 10 N and at sliding speeds from 0.06 to 0.15 m/s. Extensive analyses of the microstructural modifications due to wear have been done by a combination of field emission scanning microscopy and confocal microscopy.Mild wear conditions were attained for both materials. The main wear mechanism identified in both materials involves the formation of a hydroxide film and its cracking and delamination. The composite specimens presented increased wear resistance compared to the single phase ones.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of the European Ceramic Society - Volume 34, Issue 1, January 2014, Pages 69–80
نویسندگان
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