Article(id=1319237221719327165, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1319237171312177253, articleNumber=null, orderNo=null, doi=10.14062/j.issn.0454-5648.20220480, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1655222400000, receivedDateStr=2022-06-15, revisedDate=1657555200000, revisedDateStr=2022-07-12, acceptedDate=null, acceptedDateStr=null, onlineDate=1792460263900, onlineDateStr=2026-10-20, pubDate=1671465600000, pubDateStr=2022-12-20, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1792460263900, onlineIssueDateStr=2026-10-20, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1792460263900, creator=13701087609, updateTime=1792460263900, updator=13701087609, issue=Issue{id=1319237171312177253, tenantId=1146029695717560320, journalId=1263187385517883426, year='2022', volume='50', issue='12', pageStart='3091', pageEnd='3336', issueExtLink='null', onlineDate='null', pubDate='1671465600000', pubDateStr='2022-12-20', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1792460251882, creator='13701087609', updateTime=1792460721974, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1319239143067071226, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1319237171312177253, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1319239143067071227, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1319237171312177253, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=3293, endPage=3304, ext={EN=ArticleExt(id=1319237221924848062, articleId=1319237221719327165, tenantId=1146029695717560320, journalId=1263187385517883426, language=EN, title=Effect of Calcium Hexaluminate Aggregate Content on Mechanical Properties and Fracture Behavior of Corundum-Calcium Hexaluminate Castables, columnId=1263922769897599102, journalTitle=Journal of the Chinese Ceramic Society, columnName=Research Articles, runingTitle=null, highlight=null, articleAbstract=

Calcium aluminate cement bond reacts with matrix to form flake calcium hexaluminate phase at a high temperature, thus effectively improving the thermal shock resistance of the material. However, too much cement will produce a large volume expansion that affects the properties of the material. In this paper, calcium hexaluminate aggregate was used to partially or completely replace the tabular corundum aggregate to prepare castable, and the effect of aggregate porosity on the mechanical properties of castable after curing and high-temperature treatment was investigated, and the fracture behavior of castable was analyzed via wedge splitting experiment. The results show that at 25 ℃, compared with tabular corundum, water absorption and release effect of pores in calcium hexaluminate aggregate promote the formation of more hydration products around the aggregate, accelerate the hydration reaction of cement, and favor the interface meshing between aggregate and matrix. After heat-treatment at 1 600 ℃, the hydration product is transformed into a secondary phase CA6, which improves the interface strength of aggregate and matrix, and increases the proportion of crack propagation in aggregate during material fracture. The castable with 30%CA6 aggregate has an optimum crack propagation resistance.

, authors=Yichen CHEN, Liping PAN, Yawei LI, Ning LIAO, Yajie DAI, authorsList=Yichen CHEN, Liping PAN, Yawei LI, Ning LIAO, Yajie DAI, authorCompany=null, correspAuthors=Liping PAN, authorNote=

CHEN Yichen (1995-), male, Doctoral candidate. E-mail:

, correspAuthorsNote=
PAN Liping (1983-), female, Ph.D., Lecturer. E-mail:
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高温下刚玉质浇注料中铝酸钙水泥结合剂与基体发生反应生成片状六铝酸钙相,可以有效改善材料的抗热震性,但引入过多水泥会产生较大的体积膨胀,从而影响材料性能。为此,采用六铝酸钙骨料部分或全部取代板状刚玉骨料制备浇注料,在确保体积稳定性的同时发挥了六铝酸钙的增韧效应,研究了骨料气孔特性对浇注料养护后和高温处理后材料力学性能的影响,并借助楔形劈裂实验,研究其断裂行为。结果表明,25 ℃养护下,相比于板状刚玉,六铝酸钙骨料中气孔产生的吸释水效应,促进了在骨料周围生成更多水化产物,加快了水泥水化反应,使骨料与基质间的界面结合更好。经1 600 ℃热处理后水化产物转变成为CA6相,使材料中骨料与基质界面强度提高,且材料断裂过程中裂纹在骨料内扩展的比例增加,结合样品的断裂能和特征长度等参数,浇注料中加入30%CA6骨料时具备最好的抗裂纹扩展能力。

, authors=陈怡琛, 潘丽萍, 李亚伟, 廖宁, 戴亚洁, authorsList=陈怡琛, 潘丽萍, 李亚伟, 廖宁, 戴亚洁, authorCompany=null, correspAuthors=潘丽萍, authorNote=

陈怡琛(1995—),男,博士研究生。

, correspAuthorsNote=
潘丽萍(1983—),女,博士,讲师。
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六铝酸钙骨料对刚玉-六铝酸钙质浇注料力学性能与断裂行为的影响
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陈怡琛 , 潘丽萍 , 李亚伟 , 廖宁 , 戴亚洁
硅酸盐学报 | 研究论文 2022,50(12): 3293-3304
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硅酸盐学报 |研究论文 2022 , 50 (12) : 3293 -3304
六铝酸钙骨料对刚玉-六铝酸钙质浇注料力学性能与断裂行为的影响
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陈怡琛 , 潘丽萍 , 李亚伟, 廖宁, 戴亚洁
作者信息
  • 武汉科技大学,省部共建耐火材料与冶金国家重点实验室,武汉科技大学高温材料与炉衬技术国家地方联合工程研究中心,武汉 430081
通讯作者:
潘丽萍(1983—),女,博士,讲师。
作者简介:

陈怡琛(1995—),男,博士研究生。

Effect of Calcium Hexaluminate Aggregate Content on Mechanical Properties and Fracture Behavior of Corundum-Calcium Hexaluminate Castables
Yichen CHEN , Liping PAN , Yawei LI, Ning LIAO, Yajie DAI
Affiliations
  • Wuhan University of Science and Technology, The State Key Laboratory of Refractories and Metallurgy, Wuhan University of Science and Technology, National-provincial Joint Engineering Research Center of High Temperature Materials and Lining Technology, Wuhan 430081, China
  • Corresponding Author:
    PAN Liping (1983-), female, Ph.D., Lecturer. E-mail:

    CHEN Yichen (1995-), male, Doctoral candidate. E-mail:

出版时间: 2022-12-20 doi: 10.14062/j.issn.0454-5648.20220480
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高温下刚玉质浇注料中铝酸钙水泥结合剂与基体发生反应生成片状六铝酸钙相,可以有效改善材料的抗热震性,但引入过多水泥会产生较大的体积膨胀,从而影响材料性能。为此,采用六铝酸钙骨料部分或全部取代板状刚玉骨料制备浇注料,在确保体积稳定性的同时发挥了六铝酸钙的增韧效应,研究了骨料气孔特性对浇注料养护后和高温处理后材料力学性能的影响,并借助楔形劈裂实验,研究其断裂行为。结果表明,25 ℃养护下,相比于板状刚玉,六铝酸钙骨料中气孔产生的吸释水效应,促进了在骨料周围生成更多水化产物,加快了水泥水化反应,使骨料与基质间的界面结合更好。经1 600 ℃热处理后水化产物转变成为CA6相,使材料中骨料与基质界面强度提高,且材料断裂过程中裂纹在骨料内扩展的比例增加,结合样品的断裂能和特征长度等参数,浇注料中加入30%CA6骨料时具备最好的抗裂纹扩展能力。

刚玉质浇注料  /  六铝酸钙骨料  /  骨料气孔特性  /  吸释水效应  /  楔形劈裂实验

Calcium aluminate cement bond reacts with matrix to form flake calcium hexaluminate phase at a high temperature, thus effectively improving the thermal shock resistance of the material. However, too much cement will produce a large volume expansion that affects the properties of the material. In this paper, calcium hexaluminate aggregate was used to partially or completely replace the tabular corundum aggregate to prepare castable, and the effect of aggregate porosity on the mechanical properties of castable after curing and high-temperature treatment was investigated, and the fracture behavior of castable was analyzed via wedge splitting experiment. The results show that at 25 ℃, compared with tabular corundum, water absorption and release effect of pores in calcium hexaluminate aggregate promote the formation of more hydration products around the aggregate, accelerate the hydration reaction of cement, and favor the interface meshing between aggregate and matrix. After heat-treatment at 1 600 ℃, the hydration product is transformed into a secondary phase CA6, which improves the interface strength of aggregate and matrix, and increases the proportion of crack propagation in aggregate during material fracture. The castable with 30%CA6 aggregate has an optimum crack propagation resistance.

corundum castables  /  calcium hexaluminate aggregate  /  porosity characteristics of aggregate  /  water absorption and release effect  /  wedge splitting experiment
陈怡琛, 潘丽萍, 李亚伟, 廖宁, 戴亚洁. 六铝酸钙骨料对刚玉-六铝酸钙质浇注料力学性能与断裂行为的影响. 硅酸盐学报, 2022 , 50 (12) : 3293 -3304 . DOI: 10.14062/j.issn.0454-5648.20220480
Yichen CHEN, Liping PAN, Yawei LI, Ning LIAO, Yajie DAI. Effect of Calcium Hexaluminate Aggregate Content on Mechanical Properties and Fracture Behavior of Corundum-Calcium Hexaluminate Castables[J]. Journal of the Chinese Ceramic Society, 2022 , 50 (12) : 3293 -3304 . DOI: 10.14062/j.issn.0454-5648.20220480
  • 国家自然科学基金-湖北区域创新发展联合基金(U20A20270)
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doi: 10.14062/j.issn.0454-5648.20220480
  • 接收时间:2022-06-15
  • 首发时间:2026-10-20
  • 出版时间:2022-12-20
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  • 收稿日期:2022-06-15
  • 修回日期:2022-07-12
基金
国家自然科学基金-湖北区域创新发展联合基金(U20A20270)
作者信息
    武汉科技大学,省部共建耐火材料与冶金国家重点实验室,武汉科技大学高温材料与炉衬技术国家地方联合工程研究中心,武汉 430081

通讯作者:

潘丽萍(1983—),女,博士,讲师。
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2种不同金属材料的力学参数
科
Family
属数
Number of
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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