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With titanium and hexagonal boron nitride powders as raw materials, TiN-TiB2 composites were fabricated via spark plasma sintering (SPS), and the effects of sintering holding time on the microstructure and mechanical properties of the composites were investigated. The results indicate that at a sintering temperature of 1 600 ℃, with pressure of 50 MPa and holding time ranging from 10 min to 20 min, the prepared TiN-TiB2 composites consist of TiN and TiB2 phases. As holding time increases from 10 min to 20 min, the interfacial bonding between phases is strengthened and atomic diffusion becomes more sufficient. Consequently, grains grow gradually and exhibit a more regular morphology. The mechanical properties of the composite firstly increase and then decrease with prolonged holding time, closely correlated to grain growth. With holding time of 15 min, the composite presents optimal mechanical properties: its hardness, flexural strength and fracture toughness reach (21.5±0.18) GPa, (618±18) MPa and (5.45±0.07) MPa·m1/2, respectively.

, authors=Hui CAO, Yibin ZHANG, authorsList=Hui CAO, Yibin ZHANG, authorCompany=null, correspAuthors=null, 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=1314907983893591032, articleId=1314907978797511668, tenantId=1146029695717560320, journalId=1235980550691926019, language=CN, title=TiN-TiB2复合材料的原位合成及其力学性能研究, columnId=1236276110049202322, journalTitle=矿冶工程杂志, columnName=材料, runingTitle=null, highlight=null, articleAbstract=

以钛和六方氮化硼粉末为原料,采用放电等离子烧结(SPS)法制备了TiN-TiB2复合材料,研究了烧结时间对TiN-TiB2复合材料微观组织与力学性能的影响。结果表明,在烧结温度1 600 ℃、压力50 MPa、保温时间10~20 min条件下制备的TiN-TiB2复合材料均由TiN相和TiB2相组成。保温时间10~20 min范围内,随着保温时间增加,各相之间的结合愈发紧密,原子扩散更加充分,晶粒逐渐长大且形状趋向规则。复合材料力学性能随着保温时间延长呈现先增加后降低的趋势,这一趋势与晶粒长大密切相关。保温时间15 min时,复合材料力学性能较好,其硬度、抗弯强度、断裂韧性分别达到(21.5±0.18)GPa、(618±18)MPa、(5.45±0.07)MPa·m1/2。

, authors=曹辉, 张一彬, authorsList=曹辉, 张一彬, authorCompany=null, correspAuthors=null, authorNote=

曹辉(1981-),男,河南南阳人,硕士,副教授,主要研究方向为机械工程材料、结构陶瓷材料。E-mail:

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曹辉(1981-),男,河南南阳人,硕士,副教授,主要研究方向为机械工程材料、结构陶瓷材料。E-mail:

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曹辉(1981-),男,河南南阳人,硕士,副教授,主要研究方向为机械工程材料、结构陶瓷材料。E-mail:

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TiN-TiB2复合材料的原位合成及其力学性能研究
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曹辉 , 张一彬
矿冶工程杂志 | 材料 2026,46(2): 195-199
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矿冶工程杂志 |材料 2026 , 46 (2) : 195 -199
TiN-TiB2复合材料的原位合成及其力学性能研究
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曹辉 , 张一彬
作者信息
  • 河南工业职业技术学院,河南 南阳 473000
作者简介:

曹辉(1981-),男,河南南阳人,硕士,副教授,主要研究方向为机械工程材料、结构陶瓷材料。E-mail:

In-Situ Synthesis and Mechanical Properties of TiN-TiB2 Composites
Hui CAO , Yibin ZHANG
Affiliations
  • Henan Polytechnic Institute, Nanyang 473000, Henan, China
doi: 10.3969/j.issn.0253-6099.2026.02.032
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以钛和六方氮化硼粉末为原料,采用放电等离子烧结(SPS)法制备了TiN-TiB2复合材料,研究了烧结时间对TiN-TiB2复合材料微观组织与力学性能的影响。结果表明,在烧结温度1 600 ℃、压力50 MPa、保温时间10~20 min条件下制备的TiN-TiB2复合材料均由TiN相和TiB2相组成。保温时间10~20 min范围内,随着保温时间增加,各相之间的结合愈发紧密,原子扩散更加充分,晶粒逐渐长大且形状趋向规则。复合材料力学性能随着保温时间延长呈现先增加后降低的趋势,这一趋势与晶粒长大密切相关。保温时间15 min时,复合材料力学性能较好,其硬度、抗弯强度、断裂韧性分别达到(21.5±0.18)GPa、(618±18)MPa、(5.45±0.07)MPa·m1/2。

放电等离子烧结  /  TiN  /  TiB2  /  原位合成  /  陶瓷材料  /  复合材料  /  显微组织  /  力学性能

With titanium and hexagonal boron nitride powders as raw materials, TiN-TiB2 composites were fabricated via spark plasma sintering (SPS), and the effects of sintering holding time on the microstructure and mechanical properties of the composites were investigated. The results indicate that at a sintering temperature of 1 600 ℃, with pressure of 50 MPa and holding time ranging from 10 min to 20 min, the prepared TiN-TiB2 composites consist of TiN and TiB2 phases. As holding time increases from 10 min to 20 min, the interfacial bonding between phases is strengthened and atomic diffusion becomes more sufficient. Consequently, grains grow gradually and exhibit a more regular morphology. The mechanical properties of the composite firstly increase and then decrease with prolonged holding time, closely correlated to grain growth. With holding time of 15 min, the composite presents optimal mechanical properties: its hardness, flexural strength and fracture toughness reach (21.5±0.18) GPa, (618±18) MPa and (5.45±0.07) MPa·m1/2, respectively.

spark plasma sintering (SPS)  /  TiN  /  TiB2  /  in-situ synthesis  /  ceramic material  /  composite materials  /  microstructure  /  mechanical property
曹辉, 张一彬. TiN-TiB2复合材料的原位合成及其力学性能研究. 矿冶工程杂志, 2026 , 46 (2) : 195 -199 . DOI: 10.3969/j.issn.0253-6099.2026.02.032
Hui CAO, Yibin ZHANG. In-Situ Synthesis and Mechanical Properties of TiN-TiB2 Composites[J]. Mining and Metallurgical Engineering, 2026 , 46 (2) : 195 -199 . DOI: 10.3969/j.issn.0253-6099.2026.02.032
  • 2025年河南省科技攻关项目(242102221055)
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doi: 10.3969/j.issn.0253-6099.2026.02.032
  • 接收时间:2025-11-01
  • 首发时间:2026-10-08
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  • 收稿日期:2025-11-01
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2025年河南省科技攻关项目(242102221055)
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    河南工业职业技术学院,河南 南阳 473000
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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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