Influence of Gd and Y elements segregation on microstructure and mechanical properties of Mg-9Gd-4Y-0.6Zr and Mg-7Gd-4Y-0.6Zr alloys;
Gd和Y偏析对Mg-9Gd-4Y-0.6Zr和Mg-7Gd-4Y-0.6Zr合金组织性能的影响
The Investigation of Macrosegregation Behavior and Microsegregation of Alloy Elements in GH3044;
GH3044合金宏观偏析行为及凝固过程中元素偏析规律研究
Segregation and Its Mechanism of Al Alloys by Local Pressurization;
局部加压铝合金的成分偏析及其形成机理的研究
The microstructure characteristics and microsegregation of DD2 single crystal have been studied under ultra-high temperature gradient and rapid solidification conditions by laser rapid remelting.
利用激光快速熔凝技术对DD2单晶合金在超高温度梯度和快速凝固条件下的组织形态和元素的微观偏析行为进行了研究。
The metallographic examination and eletron probe analysis have been carried out to investigate the effect of trace element(P,C,Si,Nb) on the solidification microstructure and the solidification microsegregation in Cr-Ni-Mn-N austenitic hydrogen resistant steels.
利用金相法和电子探针研究了微量元素P,C,Si和Nb对采用低偏析均质化技术炼制的Cr一Ni一Mn一N奥氏体抗氢钢凝固组织和微观偏析的影响,结果表明,降低P,C及Si的含量有利于Cr-Ni-Mn-N奥氏体凝固组织枝晶细化,Nb保持适当的含量对枝晶细化有利,分别减少P,C,Si和Nb在实验钢中的含量不仅能大幅降低元素自身的偏析,而且不同程度地影响到其它无素偏
The most suitable process parameters were obtained; the microstructure and microsegregation of the product were analyzed, the effects of process parameters on the microstructure were also obtained.
利用实验室新建立的双辊铸轧机进行了高速钢薄带铸轧实验研究,得到了实验用高速工具钢薄带铸轧的最佳工艺参数;对铸轧高速钢薄带的显微组织及偏析情况进行了分析,得到了主要工艺参数对铸带组织分布的影响规律,为铸轧高速钢薄带的后处理方法及工艺的制定奠定了基础;实验表明,新建立的铸轧系统铸轧过程稳定,能够铸轧出表面质量和边部质量较好的高速钢薄带产品。
Si can not only segregate in interdendritic or intergranular zones greatly, but also dissolve into the matrix noticeably.
结果表明,随着Si含量的升高,K40S合 金凝固时界面生长由枝晶生长转向明显的内生生长;Si元素主要在枝晶间或晶界偏析,但当 Si含量升高到一定程度后,枝晶内的浓度逐渐升高而达到显著水平;Si元素对合金中Cr、Ni、W 等元素的分布有影响,进而影响碳化物的形
Numerical simulation on A-segregates during horizontal solidification in Pb-Sn alloy;
Pb-Sn合金侧向凝固过程A偏析的数值模拟
A mathematical model for the formation of A-segregates during the solidification process of binary alloy was built based on the heat and mass transfer phenomena.
建立了描述二元系合金凝固过程热溶质传输行为的数学模型,利用该模型模拟计算了不同冷却速率下Pb-Sn合金侧向凝固过程A偏析的形成及演化过程。
Analysis on Fracture of Microsegregation in 13MnNiMoR Steel Plate
13MnNiMoR钢板显微偏析的断口分析
Effect of cerium on solidification segregation of RE in Hastelloy C 4 alloy has been investigated.
随铈的加入 ,合金中硫由正偏析变为负偏析 ,而本身强烈偏析于终凝区。
Impurities tend to segregate at grain boundaries.
杂质常常在晶粒间界偏析。
SEGREGATION KINETIC INVESTIGATION OF SULFUR ON THE Ni(100) SURFACE
硫在镍(100)表面偏析动力学研究
STUDY ON MACROSEGREGATION OF BILLET DURING CC WITH EMS
电磁搅拌作用下铸坯宏观偏析的研究
Biomechanics Analysis on Goal Throw Holding by Radio-and Ulna;
桡偏和尺偏持球投篮的生物力学分析
Analysis of the Splicing Loss and Polarization Properties of the PMF
保偏光纤的熔接损耗及偏振特性分析
Statistical Depolarization of Cascade Fiber Rings Depolarizer
级联光纤环形退偏器的统计退偏分析
Analysis on Reasons of Lateral Misalignment of Belt Conveyor and the Technology Avoiding Misalignment
皮带机跑偏原因分析及防偏技术研究
deflection-type paramagnetic oxygen analyzer
偏转型顺磁氧分析仪
An Analysis of Errors of Anaphora in Chinese Discourses Written by Foreign Iearners;
外国学生照应偏误分析——偏误分析丛论之三
Numerical Analysis of the Asymmetrical Pressure on a Tunnel Embedded in Geologically Bedding Strata;
地质顺层偏压隧道偏压作用的数值分析
Analysis on the Deviation of Evaluation in TCSL and the Countermeasure to Rectify the Deviation;
对外汉语教学评估偏差分析及纠偏对策
Analysis of Program of Deviation Prevention and Control in Freezing Hole Construction
冻结孔钻孔过程中的防偏及控偏方案浅析
The Deviation Reasons Analysis of the Belt Sludge Thickener and the Design of the Corrective Device
污泥浓缩机滤带跑偏原因分析及纠偏装置设计
Synchronous Limit Deviation of Press Brake under Eccentric Compression Circumstance
折弯机偏压情况下的同步极限偏差分析研究
Sensitivity analysis of ellipsometric parameters in ellipsometric spectral measurement
椭偏光谱测量中椭偏参数的灵敏度分析
Industrial structure analysis based on shift-share analysis method;
基于偏离-份额分析法的产业结构分析
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