The low melting point Ga-Ag-Sn liquid state alloy prepared by vacuum melting method was studied .
采用 真空 冶炼法制备了低熔点的Ga-Ag-Sn液态合金,分析了Ga含量与液态合金熔点的关系。
Ingot quality influences the property of alloys significantly . The common defects in cast ingots are shrinkage cavity gas hole crack segregation cold lap and copper sweat during the Cu-Cr-Zr vacuum melting and casting .
铸锭的铸造质量对合金的使用性能有重大影响, Cu-Cr-Zr合金常见的铸造缺陷包括缩孔、气孔、裂纹、偏析、冷隔和铜豆等。
Microstructure and high temperature wear characteristics of a vacuum melting Ni-base alloy coating have been studied .
研究了一种 真空 熔结镍基合金涂层的组织结构及其干摩擦滑动磨损特性。
The Clamp Adding Materials of Model QJ-A Applied to Vacuum Melting Furnace
QJ-A型真空加料卡具在 真空 熔炼炉上的应用
There are solvent extraction ion exchange vacuum melting vacuum distillation or sublimation electro migration and regional melting etc.
主要有溶剂萃取、离子交换、 真空 熔融、真空蒸馏或升华、电迁移以及区域熔炼等。
Hardness and strength of the substrate of vacuum melting Ni based alloy-WC composite coating is low . After hardening and tempering hardness and strength of the substrate was increased .
经过 真空 熔烧Ni基合金+WC复合涂层的45钢基体的硬度和强度都很低,为了提高基体的硬度,对涂层后的材料进行调质处理。
The application of hot cap technique in steel pouring to the vacuum melting
浇钢热帽技术在 真空 熔炼中的应用
The microstructure of a new vacuum melting Fe-base alloy coating has been studied .
分析了一种新型 真空 熔结铁基合金涂层的组织结构。
Vacuum melting of aluminium - lithium alloys
铝-锂合金的 真空 熔炼
The technology and Equipments for Manufacturing Metal Powders Using Vacuum Melting - high Pressure Gas Atomization
真空 熔炼高压气体雾化制粉技术及设备
Continuous unidirectional solidification equipment under conditions of vacuum melting and argon shield is designed and made on the basis of original traditional continuous unidirectional solidification equipment and vacuum system .
真空 熔化氩气保护连续定向凝固设备,是在原有的常规连续定向凝固设备的基础上,加上真空系统而设计制造出来的。
Vacuum Melting of Composition Graining Board with Spinning Nozzle
喷丝头组合花板的 真空 熔炼
Macrosegregation of boron in vacuum melting pouring ingot of GH901 alloy is determined by3 characteristics of boron in the GH901 alloy .
GH901合金 真空 熔炼铸锭中硼的宏观偏析,是由硼在GH901合金中的三大特点决定的。
Study of Inter metallic Compound of ( Tb 、 Dy ) Fe by Vacuum Melting
真空 熔炼(Tb、Dy)Fe金属间化合物的研究
The principles method of the analysis structure and character of gas chromatographic instrument for vacuum melting furnace with high frequency are introduced and analysed in this paper .
本文对高频 真空 熔融气相色谱分析仪的测试原理、方法、结构、特点等方面进行了介绍和分析。
This paper presents the chemical compositions phase constitutions and absorbing behavior produced by new techniques such as vacuum melting powder rolling .
本文介绍了采用 真空 熔炼、粉末轧制等新工艺生产的消气剂产品的化学成分、相组成和吸气特性。
Methods The raw material was purified by high vacuum melting zone melting at Cl 2 atmosphere and preform crystal growth in quartz ampoule at high vacuum .
方法光纤原料采用高 真空 熔炼、氯气气氛下区域融熔和高真空石英安瓿内单晶生长等特殊工艺提纯,光纤用热挤压法成型。
Microstructure analysis of vacuum melting Fe-BASS alloy coating
真空 熔结铁基合金涂层的组织结构分析
A Study of Trace Argon Gas in Solid Determined by Gas Chromatography in Vacuum Melting
真空 熔融气相色谱法测定固体中痕量氩气的研究
The results showed that the alloy composition could be accurately controlled using suitable vacuum melting and pouring processes with direct addition of chromium .
研究结果表明:利用 真空直接加铬炼制低铬铜铬合金,采用合适的 熔炼和浇注工艺,可以较精确控制合金成分;
This paper will discuss especially on the structure and working principle of continuous unidirectional solidification equipment under conditions of vacuum melting and argon shield .
本文将着重介绍 真空 熔化氩气保护连续定向凝固设备的结构特点及工作原理。
Effect of hardening and tempering on fatigue strength of vacuum melting Ni based alloy + WC composite coating
调质对Ni基合金 +WC复合涂层疲劳强度的影响
Vacuum Melting and Argon Protecting Continuous Unidirectional Solidification Technology
真空 熔炼、氩气保护连续定向凝固技术
The microstructure evolution and tensile strength of modified K21 superalloy obtained by vacuum melting casting were investigated after tensile test at room temperature 800 ℃ 900 ℃ and 950 ℃ .
对经 真空 熔炼浇注的改型K21合金分别在室温、800℃、900℃和950℃下进行拉伸试验。
The Research on Continuous Casting of Single-crystal Metals Apparatus under Conditions of Vacuum Melting and Argon Shield and Preparation of Single-crystal Copper ; VACUUM METALLURGY FACILITY (ⅲ) - VACUUM ARC FURNANCE
真空 熔炼氩气保护单晶连铸设备的研制及单晶铜制备真空冶金装置(三)一真空电弧熔炼
Vacuum Melting of High Chromium CuCr Alloy
高铬含量铜铬合金的 真空 熔炼
Abstract The purpose of vacuum melting is to minimize the pollution of interstitial element on TiAl intermetallics but the evaporation loss of Al in TiAl alloy melt in a vacuum will have influence on the composition of TiAl intermetallic melt .
真空 熔炼的目的是避免间隙元素对TiAl金属间化合物的污染。但在真空下,由于钛铝合金熔体中铝的挥发损失将影响金属间化合物成分的准确度。
The Evaporation of Alloying Element during Vacuum Melting of TiAl Intermetallics
真空 熔炼TiAl金属间化合物过程中合金元素的挥发行为
Usually powder metallurgy and vacuum melting are two methods of producing dense material .
钼铼合金坯锭的制备一般采用粉末冶金和 真空 熔炼的方法。
Because the hardness of substrate was low after vacuum melting the hardness of substrate was increased by hardening and tempering methods .
由于 真空烧结 涂层基体的硬度较低,采用对基体调质处理的方法来提高涂层基体的硬度。
真空熔炼