Bi is added into high silica Al-alloy to form multicomponent Al-Si Bi whose crystallization has the character of monotectic transition.
高硅铝合金中加入Bi形成Al-Si-Bi多元合金,具有偏晶转变的结晶特点。
Adding element Bi to eutectic crystal and hyper-eutectic Al-Si alloy and forming multiple unit Al-Si-Bi alloy, whose crystallization typify the monotectic transition.
共晶、过共晶Al-Si合金中加入元素Bi形成Al-Si-Bi多元合金,具有偏晶转变的结晶特点,由于Bi的不溶性及自润滑性,并以高弥散游离态兮布干基体中使过共晶Al-Si合金的耐磨性大幅度提高。
The PVDF has the crystalline phase transformation in these methods.
利用固相法制备了掺杂有Nb2O5的PZT95/5压电陶瓷,采用固化、冷等静压、溶液混合法制备0-3型PZT/PVDF压电复合材料,经过对这几种方法的分析、比较后发现溶液混合法制备的样品中PZT微粉的分散性要优于前两种制备方法;这几种制备方法中PVDF均有晶相转变,但没有较为明显的β相PVDF存在,对复合材料的电性能的影响不大。
Crystallization and phase transformation characters of two groups of BAS glass-ceramics with and without ZrO_2 were investi- gated by differential scanning calorimetry (DSC),X-ray diffraction (XRD) and dilatometry.
用烧结法制备了化学计量比和高Ba含量的两组BaO-Al_2O_3-SiO_2(BAS)系微晶玻璃,采用差示扫描量热法(DSC)和X射线衍射分析(XRD)等手段研究了ZrO_2对BAS系微晶玻璃中六方钡长石析晶和六方钡长石向单斜钡长石晶型转变的影响。
The crystallization and phase transformation characteristics of BAS glass-ceramics doped with different ZrO2 contents were investigated by differential scanning calorimetry, X-ray diffraction, according to the isoconversional method of Ozawa and the Johnson-Mehl-Avrami equation.
制备了不同ZrO2含量的BaO–Al2O3–SiO2(BAS)系微晶玻璃,用差示扫描量热法和X射线衍射分析,根据Ozawa等转化率法和等温转变动力学研究了ZrO2含量对BAS系微晶玻璃析晶和晶型转变的影响。
The phase transformation of TiO 2 and the effect of composite mode of SnO 2 on phase transformation of TiO 2 have been investigated by TG-DTA and XRD.
本文研究了以硫酸氧钛 (TiOSO4·nH2 O)和氯化亚锡 (SnCl2 ·2H2 O)为原料 ,TiO2 和SnO2 以不同方式复合时SnO2 对TiO2 晶型转变的影响。
The influence of thermal treatment parameters,such as the heating temperature and duration,on the crystal phase transformation of γ-MnO2 was studied.
采用热处理方式对γ-MnO2晶型转变进行了研究,考察了温度和时间对γ-MnO2晶型转变的影响。
In this research, thechemical precipitation-crystal phase transformation method was utilizedto prepareβ-MnO_2 satisfied the demand on chemical purity, particle size,morphology and crystal configuration.
本研究通过采用化学沉淀——晶型转变法制备出了在化学纯度、粒度形貌和晶型结构均符合要求的β-MnO_2。
THE EFFECT OF EARTH OXIDE DOPING ON THE PHASE TRANSFORMATION AND PROPERTIES OF TiO_2-SiO_2 FILMS
稀土掺杂对TiO_2-SiO_2薄膜晶相转变及性能的影响
Linear Analysis of Fréedericksz Transition in Nematic Liquid Crystals;
向列相液晶的Fréedericksz转变的线性分析
An investigation of the lamellar-rod transition in binary eutectic using multi-phase field model
共晶形态层—棒转变的多相场法研究
Computer Simulation of Order-Disorder Phase Transformation in Alloy and Grain Growth by Phase Field Method;
相场方法模拟合金无序—有序相转变和晶粒长大
Used to Martensite Crystal Coordinate Revolving Defining A-M Phase Transformation Crystal Face and Crystal Axial Indices Relationship;
采用坐标旋转法确定A-M相变的晶面晶向指数关系
Change of phase and growth of grain occur during thermal spraying process.
喷涂过程中存在相的转变和晶粒长大现象。
Morphology Transition of α-HgI_2 Crystal during Vapor Growth
碘化汞(α-HgI_2)晶体气相生长中的形貌转变研究
The Amorphous Chang in Rapid Freezing and in Supercooled of Melt Alloys;
熔态合金急冷非晶化转变与深过冷非晶化转变
Phase Transition in Nanosized Amorphous Iron Oxide and Assembly of Shell/Core Nanowires;
低维非晶氧化铁的相转变及壳/芯复合纳米线的制备
THE EFFECT OF PHOSPHORUS ADDITION ON THE PHASE TRANSITION KINETICS IN LAS TRANSPARENT GLASS-CERAMICS
含磷零膨胀LAS透明微晶玻璃的相转变动力学研究(英文)
Research of the phase transition kinetics of the Li_2O-Al_2O_3-SiO_2 system based transparent zero expansion phosphorous glass-ceramics
含磷零膨胀LAS透明微晶玻璃的相转变动力学的研究
Deformation promotes the growth of ferrite grains, the growing rate of ferrite in the early stage of DEFT was calculated.
形变强化相变铁素体晶粒转变初期的长大速率随应变速率的增加而增大.
Invariance under Rotation for Acoustic Activity of Crystals and Quasicrystals;
晶体和准晶的旋声性质的旋转不变性
Studies of Polycrystal Microstructure Evolution by Using Phase Field Method;
用相场法研究多晶中晶粒的演变规律
cholesteric-nematic phase transition
胆甾相－向列相相转变
Thyristor Controlled Single-phase to Three-phase Converter
晶闸管控制的单相–三相变换器(英文)
Microstructures and Phase Transformation of Al-Based Composite Materials Reinforced by Al-Cu-Co Decagonal Quasicrystalline Particles
Al-Cu-Co十次准晶颗粒增强铝基复合材料的微观组织和制备中的相转变
Study of the dipole rotation path of BaTiO_3 single crystal based on dielectric properties in structure phase transition
由BaTiO_3晶体结构相变时的介电特性研究其电场作用下的偶极子偏转路径