TiC–diamond composite disk-heater cell assembly to generate temperature of 2000 °C in a large-volume belt-type high-pressure apparatus at 10 GPa
TiC–diamond composite disk-heater cell assembly to generate temperature of 2000 °C in a large-volume belt-type high-pressure apparatus at 10 GPa
复制标题
TiC-金刚石复合盘式加热器单元组件可在 10 GPa 的大容量带式高压装置中产生 2000 °C 的温度
DOI：
10.1063/1.1753092
复制
发表时间：
2004
影响因子：
1.6
通讯作者：
S. Yamaoka
中科院分区：
文献类型：
--
作者：
T. Taniguchi;M. Akaishi;Y. Kanke;S. Yamaoka
制备了一种用于大体积带式高压装置加热器的TiC-金刚石复合材料。石墨通常用于高压研究中的加热器，但由于与石墨到金刚石相变相关的问题，它不能在高于10 GPa和高于1500 °C的压力下使用。 新的TiC-金刚石加热器克服了这个问题，并通过使用带式高压装置实现了稳定的温度产生。该复合材料是由金刚石和TiC0.8与非化学计量组成的混合物在常压下热处理制成的。通过优化制备条件，我们得到了TiC-金刚石复合材料，表现出适合加热器材料的机械和电气性能，没有任何挥发性组分，如树脂。由于报道的传统TiC-金刚石复合加热器包括环氧树脂作为粘合剂，在高温下树脂的分解会产生挥发性组分，从而阻碍了稳定的高压/高压加热器。
A TiC–diamond composite was prepared for the heater of a large-volume belt type high-pressure apparatus. Graphite has conventionally been used for the heater in high-pressure studies, but it cannot be used at pressure higher than 10 GPa and above 1500 °C because of the problem associated with the graphite-to-diamond phase transformation. New TiC–diamond heater overcomes this problem and achieves stable temperature generation by using a belt-type high-pressure apparatus. The composite was fabricated by heat-treatment of a mixture of diamond and TiC0.8 with nonstoichiometric composition at ambient pressure. By optimizing the preparation conditions, we obtained TiC–diamond composites that exhibited mechanical and electrical properties suitable for a heater material without any volatile component such as resin. Since reported conventional TiC–diamond composite heaters include epoxy resin as binder, volatile components arise from decomposition of the resin at high temperature preventing stable high-pressure/hi...