کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
1522654 | 995314 | 2013 | 8 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Densification behaviour analysis of ZrO2 nanopowders for dental applications compacted by magnetic pulsed compaction
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موضوعات مرتبط
مهندسی و علوم پایه
مهندسی مواد
مواد الکترونیکی، نوری و مغناطیسی
پیش نمایش صفحه اول مقاله
![عکس صفحه اول مقاله: Densification behaviour analysis of ZrO2 nanopowders for dental applications compacted by magnetic pulsed compaction Densification behaviour analysis of ZrO2 nanopowders for dental applications compacted by magnetic pulsed compaction](/preview/png/1522654.png)
چکیده انگلیسی
Sintered bulks of commercial ZrO2 nanopowders were produced by combined application of magnetic pulsed compaction (MPC) and subsequent two-step sintering, and finally, their density, hardness, shrinkage and formability were analyzed. The formability tests were conducted by a CAD/CAM system. Nearly fully dense (â¼98%) commercial ZrO2 bulks were successfully obtained. With increasing MPC pressure, there was a decrease in the grain size of zirconia block. The ratio of PVA did not have a remarkable effect on the grain size. The optimum compaction pressure during MPC was 1 GPa and mixing conditions included using 1.0 wt. % PVA. The optimum processing condition included MPC process, followed by two-step sintering (first at 1000 and then at 1450 °C). The bulk under these conditions was found to have good formability, â¼97% density, reasonable hardness (1150 Hv) and â¼19% shrinkage.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Materials Chemistry and Physics - Volume 141, Issue 1, 15 August 2013, Pages 208-215
Journal: Materials Chemistry and Physics - Volume 141, Issue 1, 15 August 2013, Pages 208-215
نویسندگان
Hyo-Young Park, M. Fatih Kilicaslan, Soon-Jik Hong,