solidifica相关论文
Separation of primary Si and impurity boron removal from Al-30%Si-10%Sn melt under a traveling magne
Separation of primary Si phase and removal of boron in the primary Si phase during the solidification process of the Al-......
Red mud-fly ash based cementitious material mixed with different contents of oil shale calcined at 700℃is investigated ......
Professor YU Zhen-zong was born in December 1924 in Beijing. He studied in Medical School of Beijing University from 194......
Numerical Simulation and Experimental Study of F-EMS for Continuously Cast Billet of High Carbon Ste
A final electromagnetic stirring model was developed for billet continuous casting of high carbon steel using the commer......
Study of rare earth element effect on microstructures and mechanical properties of an Al-Cu-Mg-Si ca
The improvements of microstructures and properties of a high strength aluminum cast alloy were studied. The effects of r......
Microstructure and mechanical properties of AZ31-0.5%Si(mass fraction) alloy processed by ECAP were investigated. Result......
A pulsed current is introduced into the traditional coaxial laser cladding process to decrease the porosity of the cladd......
Effect of Applied Pressure on the Joining of Combustion Synthesized Ni_3Al Intermetallics with Al Al
We focused on the surface reinforcement of ligth weight casting alloys with Ni-AI intermetallic compounds by in-situ com......
The cast-steel creeper tread is a part with complex external surface and internal shape, having a hot spot cased by the ......
The microstructure and room-temperature tensile properties of Ti14,a new α+Ti2Cu alloy,were investigated after conventi......
Growth characteristics of directionally solidified Al203/YAG/ZrO2 ternary hypereutectic in situ comp
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
The factors influencing the crystallization ratio of mold flux were researched by rapid cooling technology, and the fact......
提出一种制备半固态浆料的新方法—摆动振荡法。采用该方法制备了A356铝合金的浆料。结果表明：摆动振荡可有效地防止稳定凝固壳的形......
利用电解纯铁,通过高温钼丝炉制备了含有不同种类、不同含量异质核心的试样.利用差热分析方法测定了试样在相同冷却速度条件下的过......
采用Sn-15%Pb合金作为实验材料,在保持熔体过热90℃的条件下,对其进行不同时间的电脉冲孕育处理.利用金相组织观察和热分析等手段......
<正>With the increase in the content of carbon,nitrogen and titanium in 430 ferritic stainless steel,the refinement of t......
利用低熔点Sn-3．5％Pb合金进行了空心管坯内置行波磁场的静态模拟实验研究。结果表明：管坯内置行波磁场可以引起金属熔体内部纵截面上......
通过对不锈钢板坯连铸凝固组织枝晶间距的研究,探讨了连铸工艺下铸坯凝固特征参数与夹杂物捕捉之间的关系。首先分析了SUS304、SUS......
利用金相显微镜、能谱仪研究Al-6Si-2Mg合金的凝固与长大行为.研究发现在波浪型倾斜板振动条件下,合金流经斜板表面时在合金凝固过......
根据亚共晶灰铸铁非平衡凝固过程的特点，提出了数值模拟其凝固组织的一套方法，其中主要包括奥氏体枝晶生长过程体积分数的计算以及晶......
本文应用FT-IR'原位'技术,研究了环氧E-51和固化剂2-乙基,4-甲基咪唑体系的固化反应特性。通过实验证明,该体系的固化反应......
采用自制脉冲电源，研究脉冲磁致振荡（pulsemagneto—oscillation，PMO）对纯铝凝固组织的作用效果，考察浇注温度对纯铝凝固组织细化的影响......
用Pb(Ⅱ)参与钙矾石的合成试验表明,在SO42-存在时,钙矾石把少量的Pb(Ⅱ)包容在其晶格内,造成化学俘获,但在无SO42-时,Pb(OH)3-不......
采用可调拘束试验，初步研究了Nb元素对HS690焊丝熔敷金属结晶裂纹的影响。试验结果表明：含Nb焊丝熔敷金属的临界应变速率低、最大裂......
提出了利用铜镍电镀污泥生产金属铜和硫酸镍的工艺流程,并用试验考察了各工序的技术经济指标.试验结果表明,铜粉品位大于90%,铜的......
在Q345B圆形连铸坯的生产过程中出现明显的中心疏松,为此,对连铸坯进行了气体含量和热酸低倍检测,并对连铸坯的凝固过程进行了分析......
利用喷雾沉积快速凝固技术制备了ZA27合金,探讨了该工艺对ZA27合金组织和阻尼性能的影响,并与铸态的同类合金作了对比.结果表明,无......
ＥＸＰＥＲＩＭＥＮＴＡＬＲＥＳＥＡＲＣＨＯＮＤＩＲＥＣＴＩＯＮＡＬＳＯＬＩＤＩＦＩＣＡＴＩＯＮＯＦＡｌ－４．５ｗｔ％ＣｕＡＬＬＯＹＢＹＡＣＲＴＭＥＴＨＯＤＪＩＥＷａｎｑｉ（ＳｔａｔｅＫｅｙＬａｂｏｒａｔｏｒｙｏｆＳｏｌｉｄｉｆｉｃａｔｉｏｎＰｒｏｃｅ.........
[Objective]The study aimed at analyzing the solidification reaction in solidified sludge matrices through the variation ......
介绍计算机模拟技术在铸造过程中的作用,导入方法以及典型的实例.对模拟所必须具备的三维CAD知识进行了简要解说.该技术在辅助铸造......
以高炉矿渣、粉煤灰为地聚合物胶凝材料原料，配合复合化学激发剂固化砷钙渣，并采用X射线衍射（XRD）、傅里叶变换红外光谱（FTIR）和扫描电子......
Two mathematical crystallization models describing structure formations in instability zones are proposed and justified.......
利用熔体温度处理工艺研究了A356铝合金低温熔体的不同获得方式对其凝固组织的影响,用直接炉内保温和机械搅拌2种方式改变低温熔体......
运用动态边界条件计算法对典型铸件凝固进程进行了数值模拟，其结果与实际情况吻合较好，节省辽阔则边界条件的大量工作，为模拟大型复杂......
通过锥形轴套的铸造工艺设计，探讨如何对某些补缩通道不足的常规铸件，将其壁厚适当加厚当作厚壁铸件来处理；对锥形轴套进行5种工艺设......
采用熔体直接发泡法制备纯铝基泡沫材料，研究了熔体发泡后泡沫体在自然冷却条件下的凝固特性，分析了强制水冷条件下泡沫体的凝固过程......
