【摘 要】
：
Recently, graphenes cousin sflicene made its debut in transistor.Silicene, a buckled honeycomb lattice, combines its surface sensitivity with Dirac band structure and provides unique opportunity to ta
【机 构】
：
浙江大学航空航天学院应用力学研究所,杭州310027
论文部分内容阅读
Recently, graphenes cousin sflicene made its debut in transistor.Silicene, a buckled honeycomb lattice, combines its surface sensitivity with Dirac band structure and provides unique opportunity to tailor band gap.Owing to its importance innanoelectronic devices, research on this two dimensional material has been triggered.
其他文献
以YBa2Cu3O7-δ高温超导薄膜制备中的组分控制问题为背景,通过电子束三源共蒸发实验定性分析了Y,,BaF2和Cu3种组元的吸附系数对温度、界面组分的依赖关系.结果表明:Y,和BaF2的吸附系数与温度、沉积界面组分的相关度非常小;Cu的吸附系数在室温沉积时也与界面组分不相关,而在300℃和600℃下高温沉积时Cu的吸附系数随着BaF2组分的增大而显著降低.
分析了地面长时间模拟稀薄气体超高速流动的关键控制因素,实验研究了电弧加热器结构、气体种类、运行参数等对流场特性的影响规律.
Maxwell model and Cercignani-Lampis (CL) model are evaluated by examining the accuracy of key macroscopic quantities such as temperature,density and pressure,in three benchmark thermal problems namely
基于以前发展的热-力耦合连续介质本构模型,研究这种材料在演化的温度场下的热学、力学行为,以对其热成型过程进行模拟.先选取单轴拉伸的例子,提出了非等温、小变形情况下热-力行为的数值求解方法,对加载、升温、降温、卸载4个过程的力学响应进行了计算和讨论.之后采用有限元法模拟三维、大变形情况下的材料响应.
This investigation presents a novel mesoscopic model for short fiber reinforced composites and an effective approach for the determination of the macroscopic properties.The fiber and the matrix are as
利用Lee和Fenves提出的损伤塑性模拟,开展复杂应力状态以及不同应变率下PBX炸药的变形特征研究.该模型基于经典塑性理论以及Kachanov各向同性损伤理论,将塑性变形与损伤发展两个过程进行耦合分析,在热力学上是自洽的.
Viscoelasticity characterizes the most important mechanical behaviors of elastomers.Here we present a mechanistic and physics-based constitutive model to describe and design the finite strain viscoela
In the present study, we demonstrate size-dependent pseudo-first-order phase transition (PFOPT), associated ultrahigh ECE and Curie temperature in ferroelectric nanoparticles with degradation layers b
The delamination of SiC coating on C/SiC composites leads to severe oxidation of the carbon fibers and causes reliability problems of these composites during service.In this study,flexural test was co
结合Eshelby等效夹杂原理与自洽理论,视基体与增强颗粒为复合材料中地位等同的两个组成部分,即基体与颗粒均为复合材料的夹杂相,推导出基体应变与颗粒应变关系的增量表达式,复合材料颗粒应力和应变、基体应力和应变以及空洞应变与复合材料总应力关系的增量表达式,描述纳米颗粒体积分数变化对复合材料应变的影响,以及颗粒与基体界面脱黏损伤及破坏进程.