Article(id=1314908201338896943, tenantId=1146029695717560320, journalId=1235980550691926019, issueId=1314908074188562588, articleNumber=null, orderNo=null, doi=10.3969/j.issn.0253-6099.2026.04.040, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1768838400000, receivedDateStr=2026-01-20, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1791428145012, onlineDateStr=2026-10-08, pubDate=null, pubDateStr=null, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1791428145012, onlineIssueDateStr=2026-10-08, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1791428145012, creator=13701087609, updateTime=1791428145012, updator=13701087609, issue=Issue{id=1314908074188562588, tenantId=1146029695717560320, journalId=1235980550691926019, year='2026', volume='46', issue='4', pageStart='1', pageEnd='266', issueExtLink='null', onlineDate='null', pubDate='1785513600000', pubDateStr='2026-08-01', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=1, specialIssue=null, createTime=1791428114697, creator='13701087609', updateTime=1791430419337, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1314917740654191268, tenantId=1146029695717560320, journalId=1235980550691926019, issueId=1314908074188562588, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1314917740654191269, tenantId=1146029695717560320, journalId=1235980550691926019, issueId=1314908074188562588, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=260, endPage=266, ext={EN=ArticleExt(id=1314908201766715952, articleId=1314908201338896943, tenantId=1146029695717560320, journalId=1235980550691926019, language=EN, title=Rheological Properties of Coarse-Grained SiC Slurry and Direct Ink Writing, columnId=1236276108207902848, journalTitle=Mining and Metallurgical Engineering, columnName=MATERIALS, runingTitle=null, highlight=null, articleAbstract=

To advance the application of direct ink writing (DIW) in SiC ceramic manufacturing, with coarse-grained SiC powder (D50=44 μm) as raw material, the regulation rules of dispersant, slurry pH value, solid volume fraction and thickener on the rheological properties of slurry were systematically investigated, and high-solid-content slurry suitable for DIW was prepared. The printing parameters were then optimized based on finite element simulation, and the printability of the slurry was quantitatively evaluated via linear fluid span test. The results show that with pH of 10-11, an addition of 1.4% polyacrylic acid (PAA) dispersant can greatly reduce slurry viscosity, and lead to the maximum solid volume fraction of the slurry up to 55%. While an addition of 0.05% methylcellulose (MC) thickener can effectively improve the structural strength of the slurry, bringing in optimal comprehensive printing performance. By adopting a 1.2 mm nozzle with the maximum printing span controlled within 6.3 mm, an intact three-dimensional lattice ceramic green body can be fabricated without collapse.

, authors=Qikai XU1, Zirui LIU1, Hongli ZHOU2, Richu WANG1, Chaoqun PENG1, Xiaofeng WANG1, authorsList=Qikai XU, Zirui LIU, Hongli ZHOU, Richu WANG, Chaoqun PENG, Xiaofeng WANG, authorCompany=null, correspAuthors=Xiaofeng WANG, authorNote=null, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, fund=null), CN=ArticleExt(id=1314908202106454578, articleId=1314908201338896943, tenantId=1146029695717560320, journalId=1235980550691926019, language=CN, title=粗颗粒SiC浆料流变性能及其直写成型, columnId=1236276110049202322, journalTitle=矿冶工程杂志, columnName=材料, runingTitle=null, highlight=null, articleAbstract=

为了促进直写成型技术在SiC陶瓷成型领域的应用,以粗颗粒SiC粉体(D50=44 μm)为原料,系统研究分散剂、浆料pH值、固相体积分数及增稠剂对浆料流变性能的调控规律,制备出高固相体积分数直写成型浆料。依托有限元仿真完成打印参数优化,并借助线性流体跨距测试定量评价浆料可打印性能。结果表明,在pH=10~11条件下,加入质量分数1.4%的分散剂聚丙烯酸能显著降低浆料的黏度,浆料固相体积分数最高可达55%;加入质量分数0.05%的增稠剂甲基纤维素能有效提升浆料自身结构强度,打印综合性能优;采用1.2 mm喷嘴,打印最大跨距控制在6.3 mm以内,可成型无坍塌、结构完整的三维点阵陶瓷坯体。

, authors=徐麒凯1, 刘子瑞1, 周红莉2, 王日初1, 彭超群1, 王小锋1, authorsList=徐麒凯, 刘子瑞, 周红莉, 王日初, 彭超群, 王小锋, authorCompany=null, correspAuthors=王小锋, authorNote=

徐麒凯(2001—),男,浙江杭州人,硕士研究生,主要研究方向为增材制造直写成型技术。E-mail:

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王小锋(1980—),男,湖北天门人,博士,教授,主要研究方向为增材制造和金属基复合材料。E-mail:
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徐麒凯(2001—),男,浙江杭州人,硕士研究生,主要研究方向为增材制造直写成型技术。E-mail:

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徐麒凯(2001—),男,浙江杭州人,硕士研究生,主要研究方向为增材制造直写成型技术。E-mail:

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粗颗粒SiC浆料流变性能及其直写成型
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徐麒凯 1 , 刘子瑞 1 , 周红莉 2 , 王日初 1 , 彭超群 1 , 王小锋 1
矿冶工程杂志 | 材料 2026,46(4): 260-266
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矿冶工程杂志 |材料 2026 , 46 (4) : 260 -266
粗颗粒SiC浆料流变性能及其直写成型
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country=null, authorPic=null, dead=0, email=wangxiaofeng@csu.edu.cn, emailSecond=null, emailThird=null, correspondingAuthor=1, authorType=1, ext={EN=AuthorExt(id=1314908205495452245, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1314908201338896943, authorId=1314908205415760467, language=EN, stringName=Xiaofeng WANG, firstName=Xiaofeng, middleName=null, lastName=WANG, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=1, address=1.School of Materials Science and Engineering, Central South University, Changsha 410083, Hunan, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1314908205549978198, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1314908201338896943, authorId=1314908205415760467, language=CN, stringName=王小锋, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=1, address=1.中南大学 材料科学与工程学院,湖南 长沙 410083, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1314908202316169779, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1314908201338896943, xref=1., ext=[AuthorCompanyExt(id=1314908202362307124, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1314908201338896943, companyId=1314908202316169779, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=1.School of Materials Science and Engineering, Central South University, Changsha 410083, Hunan, China), AuthorCompanyExt(id=1314908202370695733, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1314908201338896943, companyId=1314908202316169779, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=1.中南大学 材料科学与工程学院,湖南 长沙 410083)])])]
徐麒凯1 , 刘子瑞1, 周红莉2, 王日初1, 彭超群1, 王小锋1
作者信息
  • 1.中南大学 材料科学与工程学院,湖南 长沙 410083
  • 2.漳州台商投资区质量计量检验检测所,福建 漳州 363107
通讯作者:
王小锋(1980—),男,湖北天门人,博士,教授,主要研究方向为增材制造和金属基复合材料。E-mail:
作者简介:

徐麒凯(2001—),男,浙江杭州人,硕士研究生,主要研究方向为增材制造直写成型技术。E-mail:

Rheological Properties of Coarse-Grained SiC Slurry and Direct Ink Writing
Qikai XU1 , Zirui LIU1, Hongli ZHOU2, Richu WANG1, Chaoqun PENG1, Xiaofeng WANG1
Affiliations
  • 1.School of Materials Science and Engineering, Central South University, Changsha 410083, Hunan, China
  • 2.Zhangzhou Taiwanese Investment Zone Quality and Metrology Inspection and Testing Institute, Zhangzhou 363107, Fujian, China
doi: 10.3969/j.issn.0253-6099.2026.04.040
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为了促进直写成型技术在SiC陶瓷成型领域的应用,以粗颗粒SiC粉体(D50=44 μm)为原料,系统研究分散剂、浆料pH值、固相体积分数及增稠剂对浆料流变性能的调控规律,制备出高固相体积分数直写成型浆料。依托有限元仿真完成打印参数优化,并借助线性流体跨距测试定量评价浆料可打印性能。结果表明,在pH=10~11条件下,加入质量分数1.4%的分散剂聚丙烯酸能显著降低浆料的黏度,浆料固相体积分数最高可达55%;加入质量分数0.05%的增稠剂甲基纤维素能有效提升浆料自身结构强度,打印综合性能优;采用1.2 mm喷嘴,打印最大跨距控制在6.3 mm以内,可成型无坍塌、结构完整的三维点阵陶瓷坯体。

增材制造  /  碳化硅  /  陶瓷  /  直写成型  /  流变性能  /  分散剂  /  增稠剂  /  有限元模拟  /  pH值

To advance the application of direct ink writing (DIW) in SiC ceramic manufacturing, with coarse-grained SiC powder (D50=44 μm) as raw material, the regulation rules of dispersant, slurry pH value, solid volume fraction and thickener on the rheological properties of slurry were systematically investigated, and high-solid-content slurry suitable for DIW was prepared. The printing parameters were then optimized based on finite element simulation, and the printability of the slurry was quantitatively evaluated via linear fluid span test. The results show that with pH of 10-11, an addition of 1.4% polyacrylic acid (PAA) dispersant can greatly reduce slurry viscosity, and lead to the maximum solid volume fraction of the slurry up to 55%. While an addition of 0.05% methylcellulose (MC) thickener can effectively improve the structural strength of the slurry, bringing in optimal comprehensive printing performance. By adopting a 1.2 mm nozzle with the maximum printing span controlled within 6.3 mm, an intact three-dimensional lattice ceramic green body can be fabricated without collapse.

additive manufacturing  /  SiC  /  ceramic  /  direct ink writing (DIW)  /  rheological property  /  dispersant  /  thickener  /  finite element simulation  /  pH value
徐麒凯, 刘子瑞, 周红莉, 王日初, 彭超群, 王小锋. 粗颗粒SiC浆料流变性能及其直写成型. 矿冶工程杂志, 2026 , 46 (4) : 260 -266 . DOI: 10.3969/j.issn.0253-6099.2026.04.040
Qikai XU, Zirui LIU, Hongli ZHOU, Richu WANG, Chaoqun PENG, Xiaofeng WANG. Rheological Properties of Coarse-Grained SiC Slurry and Direct Ink Writing[J]. Mining and Metallurgical Engineering, 2026 , 46 (4) : 260 -266 . DOI: 10.3969/j.issn.0253-6099.2026.04.040

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doi: 10.3969/j.issn.0253-6099.2026.04.040
  • 接收时间:2026-01-20
  • 首发时间:2026-10-08
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  • 收稿日期:2026-01-20
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    1.中南大学 材料科学与工程学院,湖南 长沙 410083
    2.漳州台商投资区质量计量检验检测所,福建 漳州 363107

通讯作者:

王小锋(1980—),男,湖北天门人,博士,教授,主要研究方向为增材制造和金属基复合材料。E-mail:
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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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