1) phase boundary sliding(PBS)
相界滑移
1.
The results show that the super plastic deformation mechanism of Zn Al alloy is grain boundary (or phase boundary)sliding,and α/β interfaces slide easily and can realize long distance sliding,furthermore,the surface effect has strong influence on the phase boundary sliding(PBS).
结果表明 ,Zn Al合金的超塑变形机制是晶界 (或相界 )滑移 ,且α/β相界面滑移容易进行并可实现长程滑移 ,同时合金试样的表面特性对相界滑移有很大的影响。
2) grain boundary sliding
晶界滑移
1.
As the grain sizes are decreased,the transition of deformation mechanism from partial dislocation emission from grain boundaries and twinning to grain boundary sliding and grain rotation in face-centered-cubic nano-crystalline metals is summarized.
综述了纳米面心立方金属的变形机制随晶粒尺寸的减小而发生的变化,即变形机制由晶界处发射不全位错、形成孪晶转变为晶界滑移、晶粒转动。
2.
The following grain size effects are analyzed; on the contributions of various mechanisms including diffusion creep,grain boundary sliding and dislocation creep to the total strain, and on the grain boundary sliding which is a dominant mechanism in superplastic deformation.
分析了晶粒尺寸在各种机制中对总变形的影响;晶粒尺寸不同时材料变形的微观特征;晶粒尺寸对晶界滑移速率的影响。
3.
For the latter,there are two different types,attributed to liquid phase at grain boundary and grain boundary sliding respectively.
后者依材料流动形式不同又分为由液相引起和由晶界滑移引起的超塑性。
3) interfacial slip
界面滑移
1.
Analysis of interfacial slip in fiber-reinforced composites under transverse loading by the boundary element method;
横向载荷作用下纤维增强复合材料界面滑移的边界元分析(英文)
2.
Molecular dynamics study of interfacial slip behavior of ultrathin lubricating films;
超薄润滑膜界面滑移现象的分子动力学研究
3.
Reynolds equation in cylindrical coordinates which included terms on the liquid inertia force and the interfacial slip was derived from continuous equation and Navier-Stokes equation.
从连续性方程和Navier-Stokes方程出发,推导出在圆柱坐标系中考虑了界面滑移和流体惯性影响的雷诺方程。
4) interface slips
界面滑移
1.
Calculation of interface slips in SRC members;
型钢混凝土构件界面滑移的计算
2.
Based on the theory of elasticity, the differential equations of interface slips in SRC simple beam under the action of general load is presented.
研究型钢混凝土简支梁在基本荷载作用下的界面滑移。
5) interface slip
界面滑移
1.
This paper makes an exploratory research on the interface slip of the double steel-concrete composite beam under negative moment with the primary mechanical principle.
运用基本力学方法对钢-混凝土双面结合梁在使用荷载作用阶段的滑移效应进行探索性分析,推导得到集中荷载作用下负弯矩区上、下界面滑移及滑移应变沿梁长分布的表达式。
2.
The test results of interface slips distribution law of deformations of eight simplysupported steel-concrete composite beams under concentrated loads are presented in the paper.
利用Goodman弹性夹层假设,推导了钢-混凝土组合简支梁的界面滑移和挠度变形的理论计算公式。
3.
This paper is concerned with the interface slip of steel-concrete composite beam under uniformly distributed loads.
利用Goodman弹性夹层假设及弹性体变形理论,推导了简支钢-混凝土组合梁的界面滑移和挠度变形的理论计算公式。
6) sliding interface
滑移界面
1.
Based on the CFD software CFX, the numerical model and calculation method was developed by adopting RNG k-ε turbulence model, dual time step method, sliding interface model and structure grid, and then the flow field varied with time was studied.
文中基于CFX软件,采用RNGk-ε湍流模型、双时间步法、滑移界面法以及结构化网格建立了一级半透平级(静叶/动叶/静叶)三维非定常粘性流场的数值模型及计算方法;在此基础上详细分析了流场特性随时间的变化,发现时均非定常等熵效率小于相应的定常等熵效率;同时获得了作用于动叶上随时间变化的气流力以及气流激振力因子,该因子数值与汽轮机设计人员广泛采用的由实践而来的数据吻合良好。
2.
In order to calculate the unsteady flow within a turbine stage simultaneously, a developed sliding interface technique is adopted in conjunction with non-orthogonal grids and non-staggered arrangement techniques.
本文采用文献［３，４］所发展的滑移界面技术，求解了不同轴向间隙时某一透平级内的非定常流场，发现轴向间隙由０。
3.
A sliding interface technique is applied in conjunction with non orthogonal grids and non staggered arrangement techniques to solve the unsteady flow of moving/stationary blade interaction problem.
基于滑移界面技术，发展了求解二维动／静相干叶排内非定常粘性流动的计算方法和软件，该方法克服了混合平面方法所引入的方法误差。
补充资料：晶界滑移
晶界滑移
slip at grain boundaries
晶界滑移slip atgrain botindaries相邻两晶粒在外加应力作用下沿着晶界产生的滑动。图1是晶界滑移的示意。1913年W.罗森汉和J.C.W.汉弗莱就 图1在外加切应力作用下的晶界滑移在钢的高温形变过程中观察到晶界滑移。1947年葛庭健在高纯多晶金属铝中发现一个内耗峰(在单晶中没有)，并提出其来源是由于晶粒沿晶界作粘滞性滑移所引起的应力弛豫。这一内耗峰称为葛峰。晶界滑移葛峰的发现是支持薄晶界层理论的最早的实验证明，也推动了晶界滑移的研究。近期的研究表明，葛峰与多晶金属的晶粒度有关。 晶界滑移可以用划痕方法进行直接测量。B.查默斯首先发现晶界滑移与晶界的类型和取向差有关。随后的实验进一步证实晶界滑移与晶界结构有关。图2给出金属锌以〔101印为转轴的倾侧晶界的晶界滑移量与倾侧角及温度的关系。由图2可见晶界滑移与倾侧角有关。小角晶界和某些重合晶格晶界(例如艺9(56.6。))对晶界滑移阻力很大。由图还可看出，晶界滑移与温度有关，温度越高，晶界滑移量越大。因此，晶界滑移对材料的高温力学性能丫如蠕变等)产生很大影响:了l心)1弓))倾侧艺9 f 56。615花奋p=1 96kPa亡二3屺l，1分{663K623K卦︸S翻俘犯汉)573K0占20 40印 倾侧角6(度)8《)图2锌晶界滑移与倾侧角和温度的关系 (吴希俊)
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条