SPHEROIDIZATION相关论文
The Cu-15Cr in-situ fiber-reinforced composites sheets were prepared by cold drawing combined with cold rolling process.......
With both high melting point and high thermal conductivity,boron carbide and copper (B4C/Cu) functionally gradient mater......
Thermal plasma has the characteristic such as high temperature,high enthalpy and high energy density.It can make any par......
Electron theory analysis about the influence of Cr and Mn on the carbide spheroidization by heat tre
共有原子价电子对数字和共有原子价契约精力的分发在碳化物 F3C 是不一致的,这被发现,(Fe, Cr ) 3C 并且(Fe, Mn ) 3C,在哪个之间的精力......
A cost-effective Fe-enriched eutectic high-entropy alloy (EHEA),Fe3sNi2sCr25Mo15,was designed and prepared to avoid the ......
SEMI-SOLID MICROSTRUCTURE AND ITS EVOLUTION OF WROUGHT ALUMINUM ALLOY BY DIRECTLY HEATING-ISOTHERMAL
Microstructure evolution of wrought aluminum alloy extruded rods and the mechanism of liquid phase formation during rehe......
We investigate characteristics of multi-arc torches with three pairs of electrodes(three cathodes and three anodes)and t......
The research aims to provide an alternative to austempering treatment of ductile cast iron with a simple and cost-effect......
The growing interest in additive manufacturing of GH4169 alloy was accompanied by the demand on spherical GH4169 powders......
Effects of Rare Earth, Titanium, and Magnesium Additions on Microstructures and Properties of High-b
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......
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......
Z-parameter method based on the Larson-Miller relationship is proposed to assess remaining life of a 1Cr5Mo steel. The ......
Obtaining small carbides is crucial but difficult for high-speed steels.A new approach for refining carbide dimensions i......
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......
To control the morphology and particle size of dense spherical molybdenum powder prepared by radio frequency(RF) plasma ......
Spheroidization of silica powders by radio frequency inductively coupled plasma with Ar-H2 and Ar-N2
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......
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
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 melting, evaporation and oxidation behaviors as well as the solidification phenomena of tungsten and molybdenum in i......
HDH(氢化脱氢)钛粉末颗粒形状不规则、流动性较差,不利于注射成形和提高其制品性能.本研究利用PCS系统对HDH钛粉末颗粒进行整形,考......
Radio frequency (RF) induction plasma was used to make free-standing depositionof molybdenum (Mo). The phenomena of part......
The research aims to provide an alternative to austempering treatment of ductile cast iron with a simple and cost-effect......
分析了一些主要元素对高镍奥氏体球铁组织和性能的影响,确定了合理的内控化学成分。球化处理采用冲入法,镍镁合金球化剂用量为铁液重......
禄丰钢铁厂生铁含有多种合金元素,表现出与普通生铁不同的特点。本文在总结试验的基础上,得出用禄丰生铁生产中锰球墨铸铁的成分范......
根据相关文献对球化剂中组成元素的分类,分析了有关元素在铁水中的作用及行为,提出了对传统球化和反球化剂的不同认识,探讨了反球化元......
对二硝酰胺铵(ADN)的球形化技术进行了比较详细的综述。从乳液球形化、喷雾球形化、喷射研磨球形化、超声波球形化、微反应球形化......
期刊
350MW锅炉末级过热器频繁爆管,对末过及集箱进行内窥检查和取样检验,并对炉内相应管屏安装测点,采集壁温数据,分析造成爆管的原因,针对......
介绍韶关发电厂4台50 MW机组主蒸汽管球化严重情况,对主蒸汽管球化原因进行分析和探讨....
氢化脱氢(HDH)钛粉形状不规则、流动性较差,不利于注射成形和提高其制品性能。本文通过PCS系统对HDH钛粉末进行球化处理。考察了球化......
对超高碳钢进行热轧预处理,得到组织细小、弥散分布的球化碳化物和部分片状珠光体,有效地增强了其后续球化效果;基于离异共析原理,......
通过等温热压缩实验研究Ti-6.5Al-2Zr-1Mo-1V合金在温度750-950°C、应变速率0.001-10 s-(-1)条件下的动态等轴化动力学行为。结......
研究热力过程对双相Mg-8Li-3Al-0.4Y合金组织和力学性能的影响。结果表明,铸态合金含有α-Mg、β-Li、AlLi、Al2Y和MgAlLi2相,经过35......
为改善RDX的安全性能,用一种HP-1高分子材料作为包覆剂,采用喷雾干燥技术制备了RDX/HP-1超细包覆球形粒子,RDX与HP-1质量比为98∶2......
采用几种不同的热处理工艺对超高碳钢进行球化处理,并对不同热处理状态下的试样进行了组织观察和力学性能测试分析,探讨了热处理对......
通过高温时效试验、微观组织分析、碳化物萃取、碳化物相X—Ray衍射分析以及力学性能试验,研究了不同球化级别12CrlMoV过热器管钢的......
ML45钢钢坯冶金工厂轧钢生产线通过三阶段控制形变后可将钢的奥氏体晶粒超细化至平均直径5μm随后在短等温过程中,奥氏体的共析转变和形变......
采用热机械轧制工艺可使中碳钢(0.36%C左右)具有球化渗碳体的细晶显微组织,研究发现随变形温度的降低及变形量的增加其铁素体晶粒尺寸变......
采用射频(RF)等离子体对颗粒形状不规则的钨粉球化,研究了加料速率和钨粉分散方式对球化率的影响。通过用电子扫描显微镜(SEM)观测......
简单比较了压力加镁法、冲入法、转包法、型内球化法、喂丝球化法几种球化处理方法及其在球化质量稳定性和节能、环保等方面的优缺......
依据作者关于钢中奥氏体晶粒尺寸影响相变产量中碳化物形态的观点,本文分析研究了精轧过程中与碳化物球化有关的金属学问题;指出在临......
为了进一步研究RDX的球形化技术,改善其爆炸性能和感度性质,研究了RDX在环己酮/水体系中的冷却结晶工艺,采用生物显微镜分析了其晶......
一直以来,高温过热器爆管事故都是影响电厂安全运行的主要因素之一,且造成的损失最大。该文结合现场工作的实际对某电厂1号锅炉末......
Z-parameter method based on the Larson-Miller relationship is proposed to assess remaining life of a 1Cr5Mo steel. The n......
Based on the thermal kinetic and mass conservation,a series ofcontrolling equations for the finite element are derived a......
A procedure for evaluating the degree of spheroidization of phosphide platelets in cast Cu-4%Sn- 5%P alloys using fracta......
A procedure for evaluating the degree of spheroidization of phosphide platelets in cast Cu-4%Sn- 5%P alloys using fracta......
该文报道了一种直接制备不同粒度级别球形化RDX的方法,采用溶剂(HNO3)非溶剂(H2O)沉淀技术,由乌洛托品(HA)和浓HNO3(98%)硝解氧化反应生成的RDX硝酸溶液直接制备不同......
研究了高温摩擦时间对铝硅合金摩擦表层组织中硅相平均直径和球状因子的影响。在预热温度为330℃时,对AlSi30合金试样表面摩擦10 s......
介绍利用在普通球化剂中加入微量合金元素的特种球化剂.通过二次随流孕育,稳定生产铸态珠光体球铁曲轴的生产工艺.......
采用射频感应等离子体球化颗粒形状不规则的钨粉(平均粒度尺寸5-12μm),研究了加料速率、物料分散方式、钨粉颗粒大小等因素对球化率......