粗化
- coarsening;coarsing;alligatoring
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先在高纯Mg-3Al合金中加入稀土元素(Ce,Y),发现晶粒粗化。
High purity Mg-3 Al alloy was first inoculated by rare earth elements ( Ce , Y ), grain coarsing happened .
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为防止半熔化区晶粒粗化导致该区域韧性下降,焊接过程中控制焊接线能量(E)在20kJ/cm以下是非常重要的。
To prevent toughness decreasing resulted from crystal coarsing in the partially-melted zone , controlling weld heat input ( E ≤ 20kJ / cm ) is very important during welding .
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多晶柱状Cu膜的表面粗化与织构
Surface roughening and texture of the poly-crystalline columnar copper films
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改变LED几何外形来缩短光在LED内部反射的路程以及限制全反射现象的表面粗化技术。
Reflection distance in the LED can be shortened by changing the geometry of LED .
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低碳钢焊接热影响区TiN粗化的动力学
Thickening Dynamics of TiN Particles in HAZ of Low Carbon Steel
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Ni/YSZ阳极材料主要的微观结构的变化是金属Ni的团聚和粗化。
The main microstructure change is the agglomeration and coarsening of metallic Ni .
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表面粗化对GaN基垂直结构LED出光效率的影响
The influence of surface roughening on GaN based vertical-electrodes LEDs
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超声幅照下ABS塑料表面的粗化研究
Study of etching of ABS plastic surface in ultrasonic field
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不同退火温度下ZnO薄膜表面形貌的演变及粗化机制
Evolution and coarsening mechanism of surface morphology of ZnO film at different annealed temperatures
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另一种线程优化方式是锁粗化(或合并,merging)。
Yet another threading optimization is lock coarsening or merging .
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TEM(透射电镜)观察分析表明,这三种形貌反映了沉淀相在粗化过程中的三个阶段。
TEM investigation indicates that these three morphologies reflects three stages of precipitate growth .
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Ti微合金钢第二相粒子在焊接热循环过程中的溶解、粗化及再析出
Dissolution , coarsening and reprecipitation of second-phase particle in Ti MICROALLOYED STEEL during welding thermal cycle
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ABS塑料电镀粗化溶液分析
Analysis of roughening solution for ABS plastics electroplating
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并用扫描电子显微镜对粗化后的ABS塑料表面和断面进行了观察。
The coating surface and the sections of ABS plastics are examined by scan electron microscopy .
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分解后的两相组织晶粒细小,使衍射峰宽化,扫描电镜观察以及Xray衍射分析表明:分解产物随等温时间延长粗化不明显。
The SEM and X-ray diffraction analysis showed that the coarsening of decomposed structure was not evident even after long time treatment .
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扩散、合并和粗化:沉积在液体基底表面Ag原子团簇及薄膜的演变过程
Diffusion , Coalescence and Coarsening : Evolution of Silver Clusters and Thin Films Deposited on a Liquid Surface
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γ-TiAl合金层状组织的转变动力学和粗化行为
Transformation kinetics and coarsening of lamellar structure in γ - tial alloy
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TEM观察表明此时仅存在位错密度降低,亚晶粗化等回复现象。
TEM observation demonstrate that nothing changed except for the decreasing of dislocation density and the coarsening of subgrain .
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二次硬化合金钢中多组元强化相M2C碳化物的粗化动力学研究
Coarsening kinetics of multi-component m_2c precipitates in secondary hardening alloy steels
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滴定法快速测定ABS粗化液中铬酐与硫酸的浓度
A titrimetric method for rapid determination of the concentration of chromic anhydride and sulfuric acid in ABS roughing solution
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研究结果表明:烧结温度越高,越有利于晶粒粗化,形成大块板状WC晶粒;
The results show that high sintering temperature favors the formation of large plate-like WC grains .
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TiAl基合金中的不连续粗化转变
Discontinuous Coarsening Transformations in TiAl Based Alloys
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PS/PA6共连续相临界组分比及静态热处理下相形态粗化的研究
Study on percolation threshold value and coarsening of co - continuous PS / PA6 blend during quiescent annealing
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嵌段聚合物微相分离后期相区粗化过程的格子Boltzmann研究电场离子显微镜检查法
Study of coarsening of microdomains in block copolymers by lattice Boltzmann methods field ion microscopy
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随W(Ti)e增加,试验用钢的奥氏体晶粒尺寸减小,晶粒粗化温度提高。
With the increase of ω( Ti ) e content , the austenite gain size decreases and the grain coarsening temperature of the steel rises .
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此外,元素B在晶界的偏聚和晶界上M23(B,C)6颗粒的粗化也是造成组织粗化的原因。
The segregation of B and the coarsening of M23 ( B , C ) 6 on the grain boundary are the reasons of microstructure coarsening .
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首先是对硅粉的清洗和表面粗化,通过SEM电镜观察得到,采用5%的NaOH清洗液可得到表面具有一定粗糙度,且损失较少的硅粉原料。
First is silicon powder cleaning and surface coarsening . Observed by SEM : 5 % NaOH coarsening solution could make surface rough .
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配合加入丙酮,使EPS模样表面微溶粗化,明显改善涂料的涂挂性。
The coating property is improved because the addition of acetone makes the surface of EPS pattern mild dissolved and coarsened .
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运用TEM和AES等对显微组织结构的研究显示,有害元素P在晶界的偏聚和晶界碳化物的粗化是材料性能退化和致脆的原因。
The microstructure studies indicate that the segregation of harmful element P and the coarsened carbides at prior austenite boundaries result in the degradation of properties and embrittlement .
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研究表明,钢中的B与AlN争夺N,降低了起细化晶粒作用的AlN的含量,造成奥氏体晶粒粗化;
The studies show that B in steel competes N with AlN and reduces the amount of AlN that can refine the grains to coarsen austenite grains ;