析出物

CSP生产的微钛低碳高强度钢中的纳米级析出物

Nano-Scaled Precipitates in Low Carbon High Strengh Steel With Microalloyed Ti Produced by CSP

TEM立体影像显微术属于较简单的三维立体成像术，可分析简单的晶体缺陷结构，如差排、叠差，和一些具有特定晶面的析出物等。

TEM stereo microscopy can resolve simple crystal defect structure such as dislocations , stacking faults , and some precipitates with defined crystal planes ;

结果发现，随着Al添加量的增加，晶体显微组织中的析出物增加；

It was found that impurity increases with increasing Al additive in the microstructure .

随着含Ni量的增加，析出物数量增多，铍铜硬度提高。

With the increase of Ni content , the hardness and the amount of precipitated phase are obviously increased .

大量纳米尺寸的TiC球形析出物粒子在铁素体的位错线上分布；

A large number of nanometer TiC particles distributed on dislocations in ferrite .

在SiC/Ti40复合材料两纤维间区域存在TiC析出物。

There are some TiC precipitates between the fibres in SiC / Ti40 composite .

CSP生产的钒氮微合金钢的组织细化和析出物研究

Study of Grain Refinement and Precipitation in V-N Steels Produced by CSP Process

其三是利用选择能量的高分辨电镜术观察Al－Si合金中Si析出物的原子像。

The third one , energy selected imaging microscope with atomic resolution is used to identify the structure of Si precipitates in an Al Si alloy .

观察到SiGe外延层未发生应变弛豫，Si缓冲区和Si衬底中有颗粒状析出物。

No strain relaxation was observed in epitaxial SiGe layer . Particle-like precipitate was found in the Si buffer layer and Si substrate .

Ti3Ni4析出物严重影响马氏体的形貌，短时间时效马氏体的内部缺陷主要是（001）M复合孪晶，随着时效时间的增加，逐渐变为<011>MⅡ型孪晶。

The martensite morphology is heavily affect by the Ti_3Ni_4 precipitates . The internal defect is ( 001 ) m compound twin after short time aging ;

Ti处理的ELC-BH钢板的析出物研究

Research on precipitates in Ti-treated ELC-BH sheet

采用热轧、热锻和热挤压三种方法对铸态Fe3Al基合金进行开坯，发现开坯后Fe3Al铸态组织中粗大柱状晶被破碎，晶界网状析出物消除；

The cast Fe_3 Al-based alloys were cogged by hot-rolling , forging and extruding .

合金中第二相析出物的电镜能谱分析及电子衍射分析结果均证明，析出物为Fe5Ce金属间化合物。Fe5Ce在合金中一般呈颗粒状无规则分布。

The second phase precipitate has been identified to be an intermetallic compound with the structure of Fe_5Ce , which usually precipitated in a granular form and irregularly distributed in the alloy .

热轧Ti-IF钢析出物的研究

Study on the Precipitates of Ti-IF Steel Hot-Rolled in Ferrite Region

Ti-IF钢在铁素体区热轧的析出物研究

Research on Precipitation of Hot Rolled Ti-IF Steels in the Ferrite Region

TSCR流程生产钛微合金化高强耐候钢中的析出物

Precipitates of Ti-microalloyed high-strength weather-resisting steel produced by TSCR process

Nb可有效细化变形诱导铁素体晶粒尺寸，V的析出物对超细晶组织的沉淀强化作用十分显著。

Grain size of ferrite induced by deformation can be refined by microalloyed element Nb . Precipitation of V ( C , N ) improve strength effectively in ultrafine steels .

分析了冷变形量和时效温度与时间等工艺参数对CuNiSi合金显微硬度和导电率的影响，同时研究了该合金的析出物结构。

The effects of the cold rolling deformation and the aging temperature and time on microhardness and electric conductivity of Cu Ni Si alloy were studied and the construction of its precipitate was investigated .

HSLC和HSLA钢中的纳米铁碳析出物

Nano-Scaled Iron-Carbon Precipitates in HSLC and HSLA Steels

结果表明，SiC/Ti40复合材料相邻两纤维间存在TiC析出物，在1000℃处理后，TiC析出物消失；

The results indicate the presence of TiC precipitates among adjacent fibers in the SiC / Ti40 composite . This precipitate disappears after heat treatment at 1 000 ℃ .

其中，Cu-Al交界处的扩散较为明显，合金元素扩散的距离较长，Al元素的扩散能力较强，但未见析出物。

Diffusion of alloy element in Cu-Al interface was obvious , presenting longer diffusion distance , and no deposition was found in despite of outstanding diffusibility of aluminium element .

运用电子显微镜和化学相分析等多种实验手段研究了Ti微合金化高强耐候钢中的析出物，并在热力学计算的基础上分析了其析出过程。

Many experimental methods such as electron microscopy and chemical phase analysis were used to study the precipitates of high-strength weather-resisting steel with titanium addition , and the precipitation process was analyzed based on thermodynamics calculations .

在900℃保温2h的热处理过程中，尽管有析出物析出，但回复和再结晶转变使组织的残余内应力降低，磁弹性能降低，磁畴的移动性增强，阻尼性能提高。

During the heat-treatment , the internal stress is reduced resulting from the recovery and recrystallization making magnetoelastic energy lower and magnetic domain mobility and damping capacity increase .

结果表明，Nb-V-Ti微合金钢中较大的析出物是由少量的Nb、V和大量Ti一起在凝固过程中析出，形成复合的（Nb，V，Ti）（C，N）析出物。

The results show that the large precipitate which is Ti-rich with a little Nb and V precipitate in solidification and form complex ( Nb , V , Ti )( C , N ) precipitate .

研究了Nb-Ti微合金钢高温变形时的软化行为和微合金钢动态和静态析出物的电镜分析。

The softening behavior and static and dynamic precipitation were investigated under high temperature deformation conditions for Nb Ti microalloyed steel .

钢中的主要析出物有沿晶界、马氏体板条边界析出的M（23）C6和在铁素体内、晶界、马氏体内析出的Fe2Mo、M6C。

The precipitates are mainly M_ ( 23 ) C_6 precipitated along grain boundaries and the lath boundaries of lath martensites and Fe_2Mo and M_6C precipitated with in the ferrite and on the lath boundaries .

回火温度对Nb-Mo-V微合金钢中的析出物的影响

Influence of tempering temperature on precipitates in Nb-Mo-V micro-alloyed steel

采用金相显微镜、H&800透射电镜和正电子湮没方法分析了CSP热轧低碳钢板金相组织、析出物形貌、尺寸、分布及位错密度。

The microstructures , precipitates of thin foil and dislocations density of hot strip of low carbon steel produced by CSP were observed using optical microscope , H-800 transmission electron microscopy and positron annihilation technology ( PAT ) .

而CSP工艺中较多的弥散细小分布的纳米级析出物不利于Y取向织构的增强。（4）试验钢的的名义再结晶温度为550℃-560℃。

In the CSP process more distribution of nano-scale dispersion of small precipitates is not conducive to enhanced y orientation texture . ( 4 ) The name of the test steel recrystallization temperature of550 ℃ - 560 ℃ .

采用化学分析、X射线衍射、红外光谱、穆斯堡尔谱、透射电镜和扫描电镜分析等手段，研究了两个水库坝基渗漏水析出物的组成、物相和形貌特征。

The chemical component , mineral phase and configuration of the sediment from percolating water in the two reservoirs have been studied by ultimate analysis , X ray diffraction , Infrared spectroscopic analysis , Mossbauer spectrum , Transmission electron microscope ( TEM ) and scanning electron microscope ( SEM ) .