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Porous Nano-SiC as Thermal Insulator: Wisdom on Balancing Thermal Stability, High Strength and Low Thermal Conductivity
Wan, Peng; Wu, Zhen; Zhang, Hui; Gao, Liyin; Wang, Jingyang; Wang, JY (reprint author), Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, Shenyang 110016, Peoples R China.
2016
Source PublicationMATERIALS RESEARCH LETTERS
ISSN2166-3831
Volume4Issue:2Pages:104-111
AbstractWe herein show that by integrating nano-scale phonon-scattering mechanisms, such as interfaces and stacking faults thermal resistances in porous nano-SiC, this outstanding material (with intrinsic very high thermal conductivity) could demonstrate promising thermal insulation property. Porous nano-SiC prepared at 1,500 degrees C exhibits a specific balanced mechanical strength (compressive and flexural strength are 26 and 13 MPa, respectively, with 57% porosity) and extremely low thermal conductivity (2 W m(-1) K-1 at 300 K); and sample sintered at 1,800 degrees C shows excellent mechanical strength but relatively high thermal conductivity. Our work reports the novel low thermal conductivity of porous nano-SiC for the first time.
description.department[wan, peng ; wu, zhen ; zhang, hui ; gao, liyin ; wang, jingyang] chinese acad sci, inst met res, shenyang natl lab mat sci, shenyang 110016, peoples r china ; [wan, peng ; zhang, hui ; gao, liyin] univ chinese acad sci, beijing 100049, peoples r china
KeywordNano-sic Porous Material Mechanical Properties Thermal Conductivity
Subject AreaMaterials Science
Funding OrganizationNatural Sciences Foundation of China [51032006, 51372252]
Indexed Bysci
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/75950
Collection中国科学院金属研究所
Corresponding AuthorWang, JY (reprint author), Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, Shenyang 110016, Peoples R China.
Recommended Citation
GB/T 7714
Wan, Peng,Wu, Zhen,Zhang, Hui,et al. Porous Nano-SiC as Thermal Insulator: Wisdom on Balancing Thermal Stability, High Strength and Low Thermal Conductivity[J]. MATERIALS RESEARCH LETTERS,2016,4(2):104-111.
APA Wan, Peng,Wu, Zhen,Zhang, Hui,Gao, Liyin,Wang, Jingyang,&Wang, JY .(2016).Porous Nano-SiC as Thermal Insulator: Wisdom on Balancing Thermal Stability, High Strength and Low Thermal Conductivity.MATERIALS RESEARCH LETTERS,4(2),104-111.
MLA Wan, Peng,et al."Porous Nano-SiC as Thermal Insulator: Wisdom on Balancing Thermal Stability, High Strength and Low Thermal Conductivity".MATERIALS RESEARCH LETTERS 4.2(2016):104-111.
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