Thermal behaviors of mesocarbon microbeads and physical properties of carbon plates

X. B. Hu; B. Y. Zhao; K. A. Hu

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Thermal behaviors of mesocarbon microbeads and physical properties of carbon plates

机译：中碳微珠的热行为和碳板的物理性质

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Mesophase microbeads are a prominent precursor of carbon artifacts with high density and high strength since the powder has significant self-sintering ability. The formation of sintering bridges as a consequence of the liquid-phase sintering at approximately 535°C is inferred by thermal analysis. According to thermogravimetric and DSC analyses, the intensive pyrolysis of MCMBs occurs from about 600 to 800°C and releases volatiles thus resulting in remarkable volume shrinkage. In this work, carbonaceous plates without binder are prepared by cold molding from MCMBs with 2.1 of C/H mole ratio and about 12 μm of average particle size, sintered at three different temperatures of 800, 1150 and 1400°C. A relative higher bulk density of 1710 kg/m3, bending strength of 84 MPa and electrical conductivity of 2.4 S/m are obtained successfully after calcining the plate at 1400°C.

机译：由于粉末具有显着的自烧结能力，中间相微珠是具有高密度和高强度的碳伪影的显着前体。通过热分析推断出由于在约535℃下进行液相烧结而形成的烧结桥。根据热重分析和DSC分析，MCMB的强烈热解发生在大约600至800°C的温度下，并释放出挥发物，从而导致明显的体积收缩。在这项工作中，通过在800、1150和1400°C的三种不同温度下进行烧结，由C / H摩尔比为2.1且平均粒度约为12μm的MCMB进行冷成型，制备不含粘合剂的碳质板。在1400°C煅烧后，成功获得相对较高的堆密度1710 kg / m3 ，抗弯强度84 MPa和电导率2.4 S / m。

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《Journal of Materials Science》 |2004年第5期|1735-1741|共7页
作者
X. B. Hu; B. Y. Zhao; K. A. Hu;
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State Key Laboratory of Metal Matrix Composites Shanghai Jiaotong University;

State Key Laboratory of Metal Matrix Composites Shanghai Jiaotong University;

State Key Laboratory of Metal Matrix Composites Shanghai Jiaotong University;

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1. Thermal behaviors of mesocarbon microbeads and physical properties of carbon plates [J] . Hu XB., Zhao BY., Hu KA. Journal of Materials Science . 2004,第5期

机译：中碳微珠的热行为和碳板的物理性质
2. NiO loaded on hydrothermally treated mesocarbon microbeads (h-MCMB) and their supercapacitive behaviors [J] . Yuan CZ, Gao B, Su L, Solid state ionics . 2008,第35a36期

机译：NiO负载在水热处理的中碳微珠（h-MCMB）上及其超电容行为
3. Mechanical and physical properties of MWCNT/carbon composites with matrix derived from mesocarbon microbeads [J] . Yongzhong Song, Sizhong Li, Gengtai Zhai Carbon: An International Journal Sponsored by the American Carbon Society . 2008,第7期

机译：MWCNT /碳复合材料的机械和物理性能，其基质来自中碳微珠
4. The Microstructures and Properties of Carbon and Graphite Materials Prepared from Mesocarbon Microbeads by Different Molding Methods [C] . Zuqiong Zhang, Hong Wan, Xingyu Chen Chinese Materials Conference . 2016

机译：不同成型方法由Mesocarbon Microbead制备的碳和石墨材料的微观结构与性能
5. The effect of additives and processing conditions on properties of sintered mesocarbon microbeads. [D] . Zhou, Changjun. 2007

机译：添加剂和加工条件对烧结的中碳微珠性能的影响。
6. Improving the mechanical properties of a high density carbon block from mesocarbon microbeads according to oxidative stabilization [O] . Ui-Su Im, Jiyoung Kim, Byung-Rok Lee, -1

机译：通过氧化稳定作用改善中碳微珠的高密度碳嵌段的机械性能
7. Improving the mechanical properties of a high density carbon block from mesocarbon microbeads according to oxidative stabilization [O] . Ui-Su Im, Jiyoung Kim, Byung-Rok Lee, 2018

机译：根据氧化稳定化改善来自Mesocarbon Microbeads的高密度碳嵌段的机械性能

Thermal behaviors of mesocarbon microbeads and physical properties of carbon plates

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