Optimization of effective parameters on thermal shock resistance of ZrB2-SiC-based composites prepared by SPS: Using Taguchi design

Zohre Balak; Mahdi Azizieh; Hosein Kafashan; Mehdi Shahedi Asl; Zohre Ahmadi

doi:10.1016/j.matchemphys.2017.04.062

Optimization of effective parameters on thermal shock resistance of ZrB₂-SiC-based composites prepared by SPS: Using Taguchi design

Zohre Balak^*, Mahdi Azizieh, Hosein Kafashan, Mehdi Shahedi Asl, Zohre Ahmadi

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

74 Citations (Scopus)

Abstract

Thermal shock optimization of ZrB₂-SiC-based composites is the main goal of this research. Different additives such SiC, C_f, MoSi₂, HfB₂ and ZrC, SPS conditions (temperature, time and pressure) and milling time of C_f were chosen as survey factors. Each of these factors was examined on four levels to obtain the optimum levels. So, according to very high experimental runs (4⁹), Taguchi design was applied. Spark plasma sintering (SPS) was used for sintering. Repeated thermal shock test was carried out on all composites. One cycle consisted of heating up to 1500C, holding for 15 min in this temperature and quenching to water. This cycle was conducted for each composite till the initiation of crack was observed by optical microscopy. Then, Taguchi design was applied to determine the effect of each factor and their optimum level on thermal shock resistance.

Original language	English
Pages (from-to)	333-340
Number of pages	8
Journal	Materials Chemistry and Physics
Volume	196
DOIs	https://doi.org/10.1016/j.matchemphys.2017.04.062
Publication status	Published - 1 Aug 2017
Externally published	Yes

Keywords

Spark plasma sintering
Taguchi design
Thermal shock resistance
ZrB-SiC

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10.1016/j.matchemphys.2017.04.062

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title = "Optimization of effective parameters on thermal shock resistance of ZrB2-SiC-based composites prepared by SPS: Using Taguchi design",

abstract = "Thermal shock optimization of ZrB2-SiC-based composites is the main goal of this research. Different additives such SiC, Cf, MoSi2, HfB2 and ZrC, SPS conditions (temperature, time and pressure) and milling time of Cf were chosen as survey factors. Each of these factors was examined on four levels to obtain the optimum levels. So, according to very high experimental runs (49), Taguchi design was applied. Spark plasma sintering (SPS) was used for sintering. Repeated thermal shock test was carried out on all composites. One cycle consisted of heating up to 1500C, holding for 15 min in this temperature and quenching to water. This cycle was conducted for each composite till the initiation of crack was observed by optical microscopy. Then, Taguchi design was applied to determine the effect of each factor and their optimum level on thermal shock resistance.",

keywords = "Spark plasma sintering, Taguchi design, Thermal shock resistance, ZrB-SiC",

author = "Zohre Balak and Mahdi Azizieh and Hosein Kafashan and Asl, {Mehdi Shahedi} and Zohre Ahmadi",

note = "Publisher Copyright: {\textcopyright} 2017 Elsevier B.V.",

year = "2017",

month = aug,

day = "1",

doi = "10.1016/j.matchemphys.2017.04.062",

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T2 - Using Taguchi design

AU - Balak, Zohre

AU - Azizieh, Mahdi

AU - Kafashan, Hosein

AU - Asl, Mehdi Shahedi

AU - Ahmadi, Zohre

PY - 2017/8/1

Y1 - 2017/8/1

N2 - Thermal shock optimization of ZrB2-SiC-based composites is the main goal of this research. Different additives such SiC, Cf, MoSi2, HfB2 and ZrC, SPS conditions (temperature, time and pressure) and milling time of Cf were chosen as survey factors. Each of these factors was examined on four levels to obtain the optimum levels. So, according to very high experimental runs (49), Taguchi design was applied. Spark plasma sintering (SPS) was used for sintering. Repeated thermal shock test was carried out on all composites. One cycle consisted of heating up to 1500C, holding for 15 min in this temperature and quenching to water. This cycle was conducted for each composite till the initiation of crack was observed by optical microscopy. Then, Taguchi design was applied to determine the effect of each factor and their optimum level on thermal shock resistance.

AB - Thermal shock optimization of ZrB2-SiC-based composites is the main goal of this research. Different additives such SiC, Cf, MoSi2, HfB2 and ZrC, SPS conditions (temperature, time and pressure) and milling time of Cf were chosen as survey factors. Each of these factors was examined on four levels to obtain the optimum levels. So, according to very high experimental runs (49), Taguchi design was applied. Spark plasma sintering (SPS) was used for sintering. Repeated thermal shock test was carried out on all composites. One cycle consisted of heating up to 1500C, holding for 15 min in this temperature and quenching to water. This cycle was conducted for each composite till the initiation of crack was observed by optical microscopy. Then, Taguchi design was applied to determine the effect of each factor and their optimum level on thermal shock resistance.

KW - Spark plasma sintering

KW - Taguchi design

KW - Thermal shock resistance

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SN - 0254-0584

VL - 196

SP - 333

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JO - Materials Chemistry and Physics

JF - Materials Chemistry and Physics

ER -

Optimization of effective parameters on thermal shock resistance of ZrB₂-SiC-based composites prepared by SPS: Using Taguchi design

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Keywords

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