
Negative Thermal Expansion in ZrW2O8 and HfW2O8
1996年12月12日 · Isostructural ZrW2O8 and HfW2O8 show strong negative thermal expansion from 0.3 K up to their decomposition temperatures of approximately 1050 K. This behavior is …
锆酸钨 - 百度百科
锆酸钨(Zirconium tungstate)也称为钨酸锆,是一种无机化合物,分子式为Zr (WO4)2,分子量为586.9。 是一种性能十分优异的 负热膨胀 材料,在温度区间0.3-1050.0K的范围内都具有负 …
ZrW2O8 with Negative Thermal Expansion Fabricated at Ultralow ...
2019年8月5日 · Here, an energy-efficient cold sintering process (CSP, 190 °C, 1–240 min, and 350 MPa) was employed to achieve the dense fabrication of ZrW 2 O 8 (∼94.3% relative …
Crystal growth of ZrW2O8 and its optical and mechanical ...
2012年3月15日 · Here we report a simple, self-seeding, self-fluxing single crystal growth process which resulted in single crystals of ZrW 2 O 8 up to about 4 mm in size. Grown crystals were …
Near-zero thermal expansion of ZrW2O8/Al–Si composites with …
2021年4月15日 · We developed a near-zero thermal expansion ZrW2 O 8/Al–Si composites with three dimensional mutually interpenetrated structure. Pressure infiltration ensured dense …
First-principles study of electronic structure, optical and phonon ...
2016年12月1日 · ZrW 2 O 8 exhibits isotropic negative thermal expansions over its entire temperature range of stability, yet so far its physical properties and mechanism have not been …
负热膨胀化合物材料ZrW_2O_8的机理与制备技术 - 百度文库
摘要 : 以 zrw2o8 为典例 ,介绍了新型功能材料 ———负热膨胀材料的最新研究进展 ;列举了几种负 热膨胀材料的物理性质和热力学参量 ;叙述了 zrw2o8 的α相 、β相和γ相之间的转变关系和过 …
负热膨胀材料ZrW2O8及其复合材料研究进展 - 百度学术
ZrW2O8是一种优良的各向同性负热膨胀材料。 本文对ZrW2O8的晶体结构、负热膨胀特性和制备方法作了简要介绍,着重论述了以Cu/ZrW2O8、ZrO2/ZrW2O8和聚酰亚胺(Polyimide)/ZrW2O8 …
"负热膨胀"氧化物材料ZrW_2O_8的研究现状 - 百度学术
在0.5~1050K温度区间,ZrW2O8具有强烈的各向同性"负热膨胀" (NTE)效应,其负热膨胀可由骨架结构中存在低能刚性单元模型 (RUMs)来解释.本文综述了近几年来对ZrW2O8负热膨胀特性及其 …
Pressure-Induced Amorphization and Negative Thermal Expansion in ZrW2O8
1998年5月8日 · It has recently been shown that zirconium tungstate (ZrW 2 O 8) exhibits isotropic negative thermal expansion over its entire temperature range of stability. This rather unusual …