Microstructure and fracture mechanism of low density ceramic
Solid wastes coal gangue and magnesium slag were added to prepare low density ceramic proppants at sintering temperatures below 1300 °C. The addition of solid wastes greatly decreases sintering temperature and preparation cost. The morphology and phase composition of the proppants were examined by s...
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| Veröffentlicht in: | Materials letters 2018-02, Vol.213, p.92 |
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| creator | Hao, Jianying Ma, Haiqiang Feng, Xin Gao, Yunfeng Wang, Kaiyue Tian, Yuming Chai, Yuesheng |
| description | Solid wastes coal gangue and magnesium slag were added to prepare low density ceramic proppants at sintering temperatures below 1300 °C. The addition of solid wastes greatly decreases sintering temperature and preparation cost. The morphology and phase composition of the proppants were examined by scanning electron microscopy (SEM) and X-ray diffraction (XRD). The results show that the main crystal phases of the proppants are granular corundum and rod-like mullite, and the proppants have better sphericity. Furthermore, the most suitable sintering temperature is 1250 °C, and the resulting ceramics exhibit transgranular fracture. This means that rod-like mullite crystals provide strong toughening and reinforcing effects. |
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The addition of solid wastes greatly decreases sintering temperature and preparation cost. The morphology and phase composition of the proppants were examined by scanning electron microscopy (SEM) and X-ray diffraction (XRD). The results show that the main crystal phases of the proppants are granular corundum and rod-like mullite, and the proppants have better sphericity. Furthermore, the most suitable sintering temperature is 1250 °C, and the resulting ceramics exhibit transgranular fracture. This means that rod-like mullite crystals provide strong toughening and reinforcing effects.</description><identifier>ISSN: 0167-577X</identifier><identifier>EISSN: 1873-4979</identifier><language>eng</language><publisher>Amsterdam: Elsevier BV</publisher><subject>Ceramics ; Corundum ; Density ; Electron microscopy ; Fracture mechanics ; Gangue ; Materials science ; Microstructure ; Mullite ; Phase composition ; Scanning electron microscopy ; Sintering ; Solid wastes ; Transgranular fracture ; X-ray diffraction</subject><ispartof>Materials letters, 2018-02, Vol.213, p.92</ispartof><rights>Copyright Elsevier BV Feb 15, 2018</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784</link.rule.ids></links><search><creatorcontrib>Hao, Jianying</creatorcontrib><creatorcontrib>Ma, Haiqiang</creatorcontrib><creatorcontrib>Feng, Xin</creatorcontrib><creatorcontrib>Gao, Yunfeng</creatorcontrib><creatorcontrib>Wang, Kaiyue</creatorcontrib><creatorcontrib>Tian, Yuming</creatorcontrib><creatorcontrib>Chai, Yuesheng</creatorcontrib><title>Microstructure and fracture mechanism of low density ceramic</title><title>Materials letters</title><description>Solid wastes coal gangue and magnesium slag were added to prepare low density ceramic proppants at sintering temperatures below 1300 °C. The addition of solid wastes greatly decreases sintering temperature and preparation cost. The morphology and phase composition of the proppants were examined by scanning electron microscopy (SEM) and X-ray diffraction (XRD). The results show that the main crystal phases of the proppants are granular corundum and rod-like mullite, and the proppants have better sphericity. Furthermore, the most suitable sintering temperature is 1250 °C, and the resulting ceramics exhibit transgranular fracture. This means that rod-like mullite crystals provide strong toughening and reinforcing effects.</description><subject>Ceramics</subject><subject>Corundum</subject><subject>Density</subject><subject>Electron microscopy</subject><subject>Fracture mechanics</subject><subject>Gangue</subject><subject>Materials science</subject><subject>Microstructure</subject><subject>Mullite</subject><subject>Phase composition</subject><subject>Scanning electron microscopy</subject><subject>Sintering</subject><subject>Solid wastes</subject><subject>Transgranular fracture</subject><subject>X-ray diffraction</subject><issn>0167-577X</issn><issn>1873-4979</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2018</creationdate><recordtype>article</recordtype><recordid>eNqNir0KwjAYAIMoGH_eIeBcSNpoDLiJ4uLm4FZCmmJKm-j3JYhvr6AP4HQcdyNCxVZVhdRKjwnlYqOKtVLXKZkhdpxzqbmkZHf2FiImyDZlcMyEhrVgvjI4ezPB48Biy_r4ZI0L6NOLWQdm8HZBJq3p0S1_nJPV8XDZn4o7xEd2mOouZgifVJdciFJKoUT13_UGlxw5cw</recordid><startdate>20180215</startdate><enddate>20180215</enddate><creator>Hao, Jianying</creator><creator>Ma, Haiqiang</creator><creator>Feng, Xin</creator><creator>Gao, Yunfeng</creator><creator>Wang, Kaiyue</creator><creator>Tian, Yuming</creator><creator>Chai, Yuesheng</creator><general>Elsevier BV</general><scope>7SR</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope></search><sort><creationdate>20180215</creationdate><title>Microstructure and fracture mechanism of low density ceramic</title><author>Hao, Jianying ; Ma, Haiqiang ; Feng, Xin ; Gao, Yunfeng ; Wang, Kaiyue ; Tian, Yuming ; Chai, Yuesheng</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-proquest_journals_20112441713</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2018</creationdate><topic>Ceramics</topic><topic>Corundum</topic><topic>Density</topic><topic>Electron microscopy</topic><topic>Fracture mechanics</topic><topic>Gangue</topic><topic>Materials science</topic><topic>Microstructure</topic><topic>Mullite</topic><topic>Phase composition</topic><topic>Scanning electron microscopy</topic><topic>Sintering</topic><topic>Solid wastes</topic><topic>Transgranular fracture</topic><topic>X-ray diffraction</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Hao, Jianying</creatorcontrib><creatorcontrib>Ma, Haiqiang</creatorcontrib><creatorcontrib>Feng, Xin</creatorcontrib><creatorcontrib>Gao, Yunfeng</creatorcontrib><creatorcontrib>Wang, Kaiyue</creatorcontrib><creatorcontrib>Tian, Yuming</creatorcontrib><creatorcontrib>Chai, Yuesheng</creatorcontrib><collection>Engineered Materials Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>Materials letters</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Hao, Jianying</au><au>Ma, Haiqiang</au><au>Feng, Xin</au><au>Gao, Yunfeng</au><au>Wang, Kaiyue</au><au>Tian, Yuming</au><au>Chai, Yuesheng</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Microstructure and fracture mechanism of low density ceramic</atitle><jtitle>Materials letters</jtitle><date>2018-02-15</date><risdate>2018</risdate><volume>213</volume><spage>92</spage><pages>92-</pages><issn>0167-577X</issn><eissn>1873-4979</eissn><abstract>Solid wastes coal gangue and magnesium slag were added to prepare low density ceramic proppants at sintering temperatures below 1300 °C. The addition of solid wastes greatly decreases sintering temperature and preparation cost. The morphology and phase composition of the proppants were examined by scanning electron microscopy (SEM) and X-ray diffraction (XRD). The results show that the main crystal phases of the proppants are granular corundum and rod-like mullite, and the proppants have better sphericity. Furthermore, the most suitable sintering temperature is 1250 °C, and the resulting ceramics exhibit transgranular fracture. This means that rod-like mullite crystals provide strong toughening and reinforcing effects.</abstract><cop>Amsterdam</cop><pub>Elsevier BV</pub></addata></record> |
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| ispartof | Materials letters, 2018-02, Vol.213, p.92 |
| issn | 0167-577X 1873-4979 |
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| source | Access via ScienceDirect (Elsevier) |
| subjects | Ceramics Corundum Density Electron microscopy Fracture mechanics Gangue Materials science Microstructure Mullite Phase composition Scanning electron microscopy Sintering Solid wastes Transgranular fracture X-ray diffraction |
| title | Microstructure and fracture mechanism of low density ceramic |
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