EFFECTS OF NH₄HCO₃ CONTENTS ON THE PROPERTIES OF SiC POROUS CERAMICS REINFORCED WITH WHISKERS

SiC porous ceramics (SPCs) were prepared from crystalline silicon cutting slurry waste with NH₄HCO₃ (NHC) as the pore-forming agent. The effects of NHC contents on the properties of the as-prepared SPCs were investigated. It was found that the main crystalline phase of the SPCs was β-SiC. The SPCs c...

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Main Authors: Yingying Zhai, Beiyue Ma, Zhang Yaran, Ren Xinming, Wu Hua, Qian Fan, Yang Wengang, Liu Guoqi, Zhu Qiang
Format: Article
Language:English
Published: University of Chemistry and Technology, Prague 2019-04-01
Series:Ceramics-Silikáty
Online Access: http://www.ceramics-silikaty.cz/index.php?page=cs_detail_doi&id=1269
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author Yingying Zhai
Beiyue Ma
Zhang Yaran
Ren Xinming
Wu Hua
Qian Fan
Yang Wengang
Liu Guoqi
Zhu Qiang
author_facet Yingying Zhai
Beiyue Ma
Zhang Yaran
Ren Xinming
Wu Hua
Qian Fan
Yang Wengang
Liu Guoqi
Zhu Qiang
author_sort Yingying Zhai
collection DOAJ
description SiC porous ceramics (SPCs) were prepared from crystalline silicon cutting slurry waste with NH₄HCO₃ (NHC) as the pore-forming agent. The effects of NHC contents on the properties of the as-prepared SPCs were investigated. It was found that the main crystalline phase of the SPCs was β-SiC. The SPCs consisted of SiC particles and SiC whiskers. The thermal shock resistance of the SPCs was obviously strengthened due to the formation of the SiC whisker. When NHC contents were increased to 30 wt.%, the cold compressive strength and thermal shock resistance of the SPCs with porosity of around 63.76% were found to be favourable to the application in the molten metal filtration field.
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spelling doaj.art-4d386c8198c94c30a1adb50f4a5ec9452022-12-21T19:29:44ZengUniversity of Chemistry and Technology, PragueCeramics-Silikáty0862-54681804-58472019-04-0163223223810.13168/cs.2019.001510.13168/cs.2019.0015.20190917122859EFFECTS OF NH₄HCO₃ CONTENTS ON THE PROPERTIES OF SiC POROUS CERAMICS REINFORCED WITH WHISKERSYingying Zhai0Beiyue MaZhang YaranRen XinmingWu HuaQian FanYang WengangLiu GuoqiZhu Qiang Computing Center, Northeastern University, Shenyang 110819, P.R. China SiC porous ceramics (SPCs) were prepared from crystalline silicon cutting slurry waste with NH₄HCO₃ (NHC) as the pore-forming agent. The effects of NHC contents on the properties of the as-prepared SPCs were investigated. It was found that the main crystalline phase of the SPCs was β-SiC. The SPCs consisted of SiC particles and SiC whiskers. The thermal shock resistance of the SPCs was obviously strengthened due to the formation of the SiC whisker. When NHC contents were increased to 30 wt.%, the cold compressive strength and thermal shock resistance of the SPCs with porosity of around 63.76% were found to be favourable to the application in the molten metal filtration field. http://www.ceramics-silikaty.cz/index.php?page=cs_detail_doi&id=1269
spellingShingle Yingying Zhai
Beiyue Ma
Zhang Yaran
Ren Xinming
Wu Hua
Qian Fan
Yang Wengang
Liu Guoqi
Zhu Qiang
EFFECTS OF NH₄HCO₃ CONTENTS ON THE PROPERTIES OF SiC POROUS CERAMICS REINFORCED WITH WHISKERS
Ceramics-Silikáty
title EFFECTS OF NH₄HCO₃ CONTENTS ON THE PROPERTIES OF SiC POROUS CERAMICS REINFORCED WITH WHISKERS
title_full EFFECTS OF NH₄HCO₃ CONTENTS ON THE PROPERTIES OF SiC POROUS CERAMICS REINFORCED WITH WHISKERS
title_fullStr EFFECTS OF NH₄HCO₃ CONTENTS ON THE PROPERTIES OF SiC POROUS CERAMICS REINFORCED WITH WHISKERS
title_full_unstemmed EFFECTS OF NH₄HCO₃ CONTENTS ON THE PROPERTIES OF SiC POROUS CERAMICS REINFORCED WITH WHISKERS
title_short EFFECTS OF NH₄HCO₃ CONTENTS ON THE PROPERTIES OF SiC POROUS CERAMICS REINFORCED WITH WHISKERS
title_sort effects of nh₄hco₃ contents on the properties of sic porous ceramics reinforced with whiskers
url http://www.ceramics-silikaty.cz/index.php?page=cs_detail_doi&id=1269
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