Effect of primary phase structure on the undercoolability of quasicrystal-forming melt

来源 :自然科学进展 | 被引量 : 0次 | 上传用户:woodofcn
下载到本地 , 更方便阅读
声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架
论文部分内容阅读
The relationship between α and Δ T rel is investigated, where α is a factor that depends on the structure of primary phase and Δ T rel , the relative undercooling of melt. A linear relationship between α and the relative undercooling Δ T rel is observed, which is represented by Δ T rel = A+Bα.
其他文献
Some interesting quasi-invariant transformations on the path space over a Riemannian manifoldare investigated. The results improve some previous ones.
A criterion of an ideal internal kink mode is derived for a shaped tokamak configuration in which q-profile is very flat in the core region. A combining criteri
To improve the ballistic resistance of the ballistic resistant composites, this paper deals with the microscopically fractographic analysis of their failure cau
The mission of this program is to explore the spherical torus plasma with a SUNIST spherical tokamak. Main experiments in the start phase will be involved with
Under the condition of steady state, the pressure drop of coolant is mainly caused by friction along the cable. In the CICC (cable-in-conduit-conductor), helium
在高能核-核碰撞Drell-Yan过程考虑湮没项和康普顿散射项的基础上,利用双重Q2重标度模型,分别计算了碳、钙、铁、锡与其自身的核-核碰撞.结果表明,对于不同的x1值,K因子随x2
Amorphous nickel based alloy catalysts (denoted as the SRNAseries catalysts) were prepared viarapid quenching method followed by alkali leaching and other activ
A new class of ergodic sequences, pseudo almost periodic sequence, is introduced, and the existence of pseudo almost periodic sequence to difference equation is
圆色数和分式色数是图的点色数的两个推广.当图的圆色数等于分式色数时, 我们称此图是star-extremal.本文给出了一个定理改进,同时给出了几类具有star-extremal 特征的循环图
The rheological behavior of polyhexamethylene guanidine hydrochloride (PHGC) and polyethylene guanidine stearate (PHGS) has been investigated using the capillar