Microstructural development during spark plasma sintering of ZrB2-SiC-Ti composite

被引：95
作者：
Ghasali, Ehsan [1 ]
Asl, Mehdi Shahedi [2 ]
机构：
[1] Mat & Energy Res Ctr, Dept Ceram, Alborz, Iran
[2] Univ Mohaghegh Ardabili, Dept Mech Engn, Ardebil, Iran
来源：
CERAMICS INTERNATIONAL | 2018年 / 44卷 / 15期
关键词：
ZrB2-SiC composite; Spark plasma sintering; Ti addition; Microstructure; Phase evolution; In-situ formed compounds; HOT-PRESSING PARAMETERS; MECHANICAL-PROPERTIES; ZRB2-BASED COMPOSITES; FRACTOGRAPHICAL CHARACTERIZATION; ZRO2/SIC RATIO; C-SF; DENSIFICATION; HARDNESS; ZRB2; TEMPERATURE;
D O I：
10.1016/j.ceramint.2018.07.011
中图分类号：
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
The present study investigates the effect of Ti addition on the microstructure development and phase evolution during spark plasma sintering of ZrB2-SiC ceramic composite. A ZrB2-20 vol% SiC sample with 15 wt% Ti was prepared by high-energy milling and spark plasma sintering at 2000 degrees C for 7 min under 50 MPa. The X-ray diffraction test, microstructural studies and thermodynamic assessments indicated the in-situ formation of several compounds due to the chemical reactions of Ti with ZrB2 and SiC. The Ti additive was completely consumed during the sintering process and converted to the ceramic compounds of TiC, TiB and TiSi2. In addition, another refractory phase of ZrC was also formed as a result of sidelong reaction of ZrB2 and SiC with the Ti additive.
引用
收藏
页码：18078 / 18083
页数：6
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[1]   Densification improvement of spark plasma sintered TiB2-based composites with micron-, submicron- and nano-sized SiC particulates [J].
Ahmadi, Zohre ;
Nayebi, Behzad ;
Asl, Mehdi Shahedi ;
Farahbakhsh, Iman ;
Balak, Zohre .
CERAMICS INTERNATIONAL, 2018, 44 (10) :11431-11437
[2]   Sintering behavior of ZrB2-SiC composites doped with Si3N4: A fractographical approach [J].
Ahmadi, Zohre ;
Nayebi, Behzad ;
Asl, Mehdi Shahedi ;
Kakroudi, Mahdi Ghassemi ;
Farahbakhsh, Iman .
CERAMICS INTERNATIONAL, 2017, 43 (13) :9699-9708
[3]   Fractographical characterization of hot pressed and pressureless sintered AlN-doped ZrB2-SiC composites [J].
Ahmadi, Zohre ;
Nayebi, Behzad ;
Asl, Mehdi Shahedi ;
Kakroudi, Mandi Ghassemi .
MATERIALS CHARACTERIZATION, 2015, 110 :77-85
[4]   TEM characterization of spark plasma sintered ZrB2-SiC-graphene nanocomposite [J].
Asl, Mehdi Shahedi ;
Nayebi, Behzad ;
Shokouhimehr, Mohammadreza .
CERAMICS INTERNATIONAL, 2018, 44 (13) :15269-15273
[5]   A novel ZrB2-VB2-ZrC composite fabricated by reactive spark plasma sintering [J].
Asl, Mehdi Shahedi ;
Nayebi, Behzad ;
Ahmadi, Zohre ;
Parvizi, Soroush ;
Shokouhimehr, Mohammadreza .
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING, 2018, 731 :131-139
[6]   Effects of carbon additives on the properties of ZrB2-based composites: A review [J].
Asl, Mehdi Shahedi ;
Nayebi, Behzad ;
Ahmadi, Zohre ;
Zamharir, Mehran Jaberi ;
Shokouhimehr, Mohammadreza .
CERAMICS INTERNATIONAL, 2018, 44 (07) :7334-7348
[7]   A statistical approach towards processing optimization of ZrB2-SiC-graphite nanocomposites. Part I: Relative density [J].
Asl, Mehdi Shahedi .
CERAMICS INTERNATIONAL, 2018, 44 (06) :6935-6939
[8]   Effects of nano-graphite content on the characteristics of spark plasma sintered ZrB2-SiC composites [J].
Asl, Mehdi Shahedi ;
Zamharir, Mehran Jaberi ;
Ahmadi, Zohre ;
Parvizi, Soroush .
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING, 2018, 716 :99-106
[9]   Effects of sintering temperature on microstructure and mechanical properties of spark plasma sintered titanium [J].
Asl, Mehdi Shahedi ;
Namini, Abbas Sabahi ;
Motallebzadeh, Amir ;
Azadbeh, Maziyar .
MATERIALS CHEMISTRY AND PHYSICS, 2018, 203 :266-273
[10]   Microstructure, hardness and fracture toughness of spark plasma sintered ZrB2-SiC-Cf composites [J].
Asl, Mehdi Shahedi .
CERAMICS INTERNATIONAL, 2017, 43 (17) :15047-15052
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