Article(id=1322917118865441747, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1322917095268295267, articleNumber=null, orderNo=null, doi=10.14062/j.issn.0454-5648.20200419, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1592150400000, receivedDateStr=2020-06-15, revisedDate=1593014400000, revisedDateStr=2020-06-25, acceptedDate=null, acceptedDateStr=null, onlineDate=1793337619749, onlineDateStr=2026-10-30, pubDate=1608393600000, pubDateStr=2020-12-20, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1793337619749, onlineIssueDateStr=2026-10-30, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1793337619749, creator=13701087609, updateTime=1793337619749, updator=13701087609, issue=Issue{id=1322917095268295267, tenantId=1146029695717560320, journalId=1263187385517883426, year='2020', volume='48', issue='12', pageStart='1865', pageEnd='2010', issueExtLink='null', onlineDate='null', pubDate='1608393600000', pubDateStr='2020-12-20', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1793337614123, creator='13701087609', updateTime=1793345927101, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1322951962475507806, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1322917095268295267, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1322951962475507807, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1322917095268295267, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=1997, endPage=2003, ext={EN=ArticleExt(id=1322917119083545556, articleId=1322917118865441747, tenantId=1146029695717560320, journalId=1263187385517883426, language=EN, title=Effect of Al on Spinel Phase Evolution of Al2O3-MgO Refractories at 1 600 ℃ in Nitrogen, columnId=null, journalTitle=Journal of the Chinese Ceramic Society, columnName=null, runingTitle=null, highlight=null, articleAbstract=

Effect of Al on the spinel evolution within Al2O3-MgO refractories in nitrogen at 1 600 ℃ was investigated. The results show that Al can markedly change the composition, morphology and reaction path of spinel phase within Al2O3-MgO refractories. Without Al addition, MgO reacts with Al2O3 to form spinel, and then spinel reacts with Al2O3 encompassed by itself to form once-rich-Al2O3 spinel. When the oxygen partial pressure by C-O2 consumed oxygen reaction decreases, MgO becomes unstable and decomposes into Mg(g) and O2; Mg(g) diffuses and transfers along pores or gaps in the materials, reacting with rich-Al2O3 spinel to generate new rich-Al2O3 spinel and Al(g), Al(g) is nitrided as AlN and then AlN dissolves into rich-Al2O3 spinel to form MgAlON. Al(g) and Al2O(g) diffuse and transfer along pores or gaps in the materials after introduction of Al into Al2O3-MgO refractory. Al(g) and Al2O(g) change into AlN and further dissolve into rich-Al2O3 spinel, enhancing N content of MgAlON. Also, in the gas-gas reaction system, Al(g)/Al2O(g), Mg(g), N2 and O2 react with each other to form flake MgAlON.

, authors=Mingwei YAN1, 2, Kaiqi LIU1, 2, Yong LI3, Dongfang LIU4, Shanghao TONG3, Guangchao SUN1, 2, Rui XIONG1, authorsList=Mingwei YAN, Kaiqi LIU, Yong LI, Dongfang LIU, Shanghao TONG, Guangchao SUN, Rui XIONG, authorCompany=null, correspAuthors=Kaiqi LIU, authorNote=

YAN Mingwei (1989-), male, Ph.D.. E-mail:

, correspAuthorsNote=
LIU Kaiqi (1969-), male, Professor. E-mail:
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探究了在1 600 ℃氮气气氛下金属Al对Al2O3-MgO耐火材料中尖晶石物相演变的影响。结果表明,金属Al显著改变了尖晶石物相的组成、形貌和反应路径。未添加金属Al时,氧化镁与氧化铝反应生成镁铝尖晶石;镁铝尖晶石与其包裹的氧化铝颗粒发生固溶体反应形成一次富氧化铝的镁铝尖晶石。C-O2反应使体系氧分压持续降低,氧化镁分解产生的Mg(g)与周围的氧化铝和一次富氧化铝的镁铝尖晶石发生置换反应,形成二次富氧化铝的镁铝尖晶石和金属Al(l/g)。在高温氮气下,金属Al(l/g)氮化形成氮化铝后,与上述一次或二次富氧化铝的镁铝尖晶石反应形成镁阿隆尖晶石(MgAlON)尖晶石。将金属铝引入到Al2O3-MgO耐火材料后,含铝气相物质——Al(g)和Al2O(g),沿耐火材料中的气孔或孔隙扩散传质。一方面,Al(g)和Al2O(g)氮化反应形成氮化铝,固溶强化并提升MgAlON尖晶石中氮元素的含量;另一方面,Al(g)、Al2O(g)、Mg(g)、N2和O2发生气-气化学反应,形成片状形貌的MgAlON尖晶石。

, authors=闫明伟1, 2, 刘开琪✉, 1, 2, 李勇3, 刘东方4, 仝尚好3, 孙广超1, 2, 熊瑞1, authorsList=闫明伟, 刘开琪, 李勇, 刘东方, 仝尚好, 孙广超, 熊瑞, authorCompany=null, correspAuthors=刘开琪, authorNote=

闫明伟(1989—),男,博士。

, correspAuthorsNote=
刘开琪(1969—),男,研究员。
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1 600 ℃氮气气氛下Al对Al2O3-MgO材料中尖晶石物相演变的影响
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闫明伟 1, 2 , 刘开琪 ✉, 1, 2 , 李勇 3 , 刘东方 4 , 仝尚好 3 , 孙广超 1, 2 , 熊瑞 1
硅酸盐学报 | 2020,48(12): 1997-2003
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硅酸盐学报 | 2020 , 48 (12) : 1997 -2003
1 600 ℃氮气气氛下Al对Al2O3-MgO材料中尖晶石物相演变的影响
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闫明伟1, 2 , 刘开琪✉, 1, 2 , 李勇3, 刘东方4, 仝尚好3, 孙广超1, 2, 熊瑞1
作者信息
  • 1.中国科学院过程工程研究所,北京 100190
  • 2.中科院过程工程研究所南京绿色制造产业创新研究院,南京 211135
  • 3.北京科技大学材料科学与工程,北京 100083
  • 4.中建七局第四建筑有限公司,西安 710000
通讯作者:
刘开琪(1969—),男,研究员。
作者简介:

闫明伟(1989—),男,博士。

Effect of Al on Spinel Phase Evolution of Al2O3-MgO Refractories at 1 600 ℃ in Nitrogen
Mingwei YAN1, 2 , Kaiqi LIU1, 2 , Yong LI3, Dongfang LIU4, Shanghao TONG3, Guangchao SUN1, 2, Rui XIONG1
Affiliations
  • 1.Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190
  • 2.Nanjing IPE Institute of Green Manufacturing Industry, Nanjing 211135
  • 3.School of Materials Sciences and Engineering, University of Sciences and Technology Beijing, Beijing 100083
  • 4.The Fourth Construction Co., Ltd. of CSCEC 7th Division, Xian 710000, China
  • Corresponding Author:
    LIU Kaiqi (1969-), male, Professor. E-mail:

    YAN Mingwei (1989-), male, Ph.D.. E-mail:

出版时间: 2020-12-20 doi: 10.14062/j.issn.0454-5648.20200419
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探究了在1 600 ℃氮气气氛下金属Al对Al2O3-MgO耐火材料中尖晶石物相演变的影响。结果表明,金属Al显著改变了尖晶石物相的组成、形貌和反应路径。未添加金属Al时,氧化镁与氧化铝反应生成镁铝尖晶石;镁铝尖晶石与其包裹的氧化铝颗粒发生固溶体反应形成一次富氧化铝的镁铝尖晶石。C-O2反应使体系氧分压持续降低,氧化镁分解产生的Mg(g)与周围的氧化铝和一次富氧化铝的镁铝尖晶石发生置换反应,形成二次富氧化铝的镁铝尖晶石和金属Al(l/g)。在高温氮气下,金属Al(l/g)氮化形成氮化铝后,与上述一次或二次富氧化铝的镁铝尖晶石反应形成镁阿隆尖晶石(MgAlON)尖晶石。将金属铝引入到Al2O3-MgO耐火材料后,含铝气相物质——Al(g)和Al2O(g),沿耐火材料中的气孔或孔隙扩散传质。一方面,Al(g)和Al2O(g)氮化反应形成氮化铝,固溶强化并提升MgAlON尖晶石中氮元素的含量;另一方面,Al(g)、Al2O(g)、Mg(g)、N2和O2发生气-气化学反应,形成片状形貌的MgAlON尖晶石。

气相镁  /  富氧化铝的镁铝尖晶石  /  镁阿隆尖晶石  /  含铝气相物质

Effect of Al on the spinel evolution within Al2O3-MgO refractories in nitrogen at 1 600 ℃ was investigated. The results show that Al can markedly change the composition, morphology and reaction path of spinel phase within Al2O3-MgO refractories. Without Al addition, MgO reacts with Al2O3 to form spinel, and then spinel reacts with Al2O3 encompassed by itself to form once-rich-Al2O3 spinel. When the oxygen partial pressure by C-O2 consumed oxygen reaction decreases, MgO becomes unstable and decomposes into Mg(g) and O2; Mg(g) diffuses and transfers along pores or gaps in the materials, reacting with rich-Al2O3 spinel to generate new rich-Al2O3 spinel and Al(g), Al(g) is nitrided as AlN and then AlN dissolves into rich-Al2O3 spinel to form MgAlON. Al(g) and Al2O(g) diffuse and transfer along pores or gaps in the materials after introduction of Al into Al2O3-MgO refractory. Al(g) and Al2O(g) change into AlN and further dissolve into rich-Al2O3 spinel, enhancing N content of MgAlON. Also, in the gas-gas reaction system, Al(g)/Al2O(g), Mg(g), N2 and O2 react with each other to form flake MgAlON.

magnesium gaseous magnesium  /  rich-aluminium oxide spinel  /  magnesium aluminium oxynitride spinel  /  gas phases containing aluming
闫明伟, 刘开琪, 李勇, 刘东方, 仝尚好, 孙广超, 熊瑞. 1 600 ℃氮气气氛下Al对Al2O3-MgO材料中尖晶石物相演变的影响. 硅酸盐学报, 2020 , 48 (12) : 1997 -2003 . DOI: 10.14062/j.issn.0454-5648.20200419
Mingwei YAN, Kaiqi LIU, Yong LI, Dongfang LIU, Shanghao TONG, Guangchao SUN, Rui XIONG. Effect of Al on Spinel Phase Evolution of Al2O3-MgO Refractories at 1 600 ℃ in Nitrogen[J]. Journal of the Chinese Ceramic Society, 2020 , 48 (12) : 1997 -2003 . DOI: 10.14062/j.issn.0454-5648.20200419
  • 中科院过程工程研究所南京绿色制造产业创新研究院关键研究项目(E0010717)
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2020年第48卷第12期
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doi: 10.14062/j.issn.0454-5648.20200419
  • 接收时间:2020-06-15
  • 首发时间:2026-10-30
  • 出版时间:2020-12-20
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  • 收稿日期:2020-06-15
  • 修回日期:2020-06-25
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中科院过程工程研究所南京绿色制造产业创新研究院关键研究项目(E0010717)
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    1.中国科学院过程工程研究所,北京 100190
    2.中科院过程工程研究所南京绿色制造产业创新研究院,南京 211135
    3.北京科技大学材料科学与工程,北京 100083
    4.中建七局第四建筑有限公司,西安 710000

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刘开琪(1969—),男,研究员。
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2种不同金属材料的力学参数
科
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属数
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genus
种数
Number of
species
占总种数比例
Percentage of
total species (%)
属
Genus
种数
Number of
species
占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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