石墨坩埚

实验是在钼丝炉内，Ar气氛下，石墨坩埚中进行的。

Experiments were carried out in the Molybdenum-wound furnace under Ar atmosphere in the graphite crucible .

实验分为两个阶段进行。首先在高温下采用高钛渣与石墨坩埚壁反应生成Ti（C，N）粘结层，并考察反应时间对Ti（C，N）生成量的影响。

Experiment is divided into two phases , First , at high temperatures using high-titanium slag and graphite crucible wall reaction produce the bonding layer of Ti ( C , N ), and investigated the influence of reaction time on Ti ( C , N ) formation .

采用真空坩埚下降法在石墨坩埚中生长了大尺寸CaF2晶体。

Large size CaF_2 crystal has been grown by the Bridgman-Stockbarger method using a graphite crucible .

该法用Ni-Sn作助熔剂，用高温型石墨坩埚提取气体。

This method uses Ni-Sn foil as flux . Gases are extracted in high temperature graphite crucibles .

研究表明影响晶体质量及光学性能的主要因素包括坩埚材料、温度场、生长程序及原料纯度等。从大量的实验中总结出TGT法生长高质量CaF2晶体的生长条件如下：石墨坩埚；

The dependence of crystal structure and optical properties on the growing parameters including crucible material , temperature field , growing procedure and purity of raw materials was studied .

采用坩埚下降法，在自制的真空炉内石墨坩埚中生长了大尺寸LiF、CaF2和LaF3晶体。

Large size fluoride single crystals LiF , CaF 2 and LaF 3 have been grown by Bridgman-Stockbarger method in home-made furnace using a graphite crucible .

选用实验室制备的不同PbO含量的富铅渣与工业化生产的铅烧结块在竖管炉中用石墨坩埚进行还原反应对比试验。

Lead-rich slags with different levels of PbO content have been prepared in laboratory . Reduction experiments have been conducted in a vertical tube furnace using graphite crucible to compare the different behaviours of lead-rich slag and sinter .

铈在带钽涂层的石墨坩埚中进行920℃，15min熔炼，结果表明，在920℃条件下石墨坩埚内表面的钽涂层和液态铈是相互惰性的。

Graphite crucible sprayed tantalum coating was applied to melting cerium at 920 ℃ and 15 minutes , The results shows that coating and liquid state cerium was inertia each other at 920 ℃ .

将锡箔包裹的试样投入带盖石墨坩埚中，第一步先在脉冲电弧炉中于660℃左右热分解，试样中各种形式的氧以Li2O形式保留在生成的锡锂合金中；

The sample in tin leaf clad is put into a graphite crucible with a cap . Firstly , the sample is decomposed by heat at about 660 ℃, and the multiform oxygen in the sample is reserved in tin-lithium alloy by the Li2O form .

高温熔炼用石墨坩埚涂层工艺研究

Study on Coating Process of Graphitic Crucible in High Temperature Smelting

在石墨坩埚电弧炉中制备大块非晶合金

Preparation of Bulk Amorphous Alloy by Electric Arc Furnace with Graphite Crucible

用悬浮熔融代替石墨坩埚加热方法。

Levitation melting is used instead of graphite crucible heating .

在竖管炉中用石墨坩埚进行还原试验。

Reduction experiments have been conducted in a vertical tube furnace using graphite crucible .

氩弧熔化时分别选用水冷铜模和石墨坩埚做反应容器，设置不同的焊接电流和持续时间。

Select water-cooled copper mold and graphite crucible as the reaction vessel , and set different welding current and duration of preparation .

样品用石墨坩埚、混合熔剂低倍稀释熔融，用人工标样作为校准标准。

The fusion of samples is performed in graphite crucibles using low dilution fusions with mixed flux . The calibration is done by use of synthetic standards .

根据生产经验，用石墨坩埚熔炼铝锂合金，锂的损失一般稳一在7%左右。

In accordance with the conventional production process , the loss of lithium is often about 7 % , when Al-Li alloy is melted in graphite crucible .

对真空感应熔炼采用的石墨坩埚涂层材料及其制备工艺、合金成分均匀性控制进行了研究。

The coating of graphite crucible and its preparation technology , and homogeneity controlling for U-Mo alloy are studied when we melt U-Mo alloy in the vacuum induction furnace .

带盖石墨坩埚，主要用于生长技术，主要是采用坩埚下降法生长晶体时。

The utility model relates to a graphite crucible with a cover , which is mainly used for growth technology and primarily adopts a falling crucible method for growth of crystal .

本文简述了用涂层石墨坩埚进行感应熔炼活性金属的现状以及不同涂层的石墨试片经1950℃高温处理后观测到的相容性。

The present status of coated graphite crucibles for inductive melting of active metals and the compatibility of different plant specimens after heat treated at 1950 ℃ are briefly described in this paper .

在全封闭的石墨坩埚里，任何含量的汞金直接被加热到1000℃以上，熔化成纯金。

Owing to its low cost and favourable applicability In an all-closed graphite crucible , such gold amalgam is heated directly over 1000 ° C and is capable of melting to form pure gold .

结果表明：氧化钇对铀和铀合金熔体的化学稳定性最佳，是熔铸铀和铀合金石墨坩埚的理想涂层材料。

It is found that yt-tria has a good stability to liquid uranium and its alloys at high temperature , and it is well suitable for coating of graphite crucible for melting uranium and its alloys .

讨论了采用真空加压法制造透明石英玻璃管的过程中，影响质量和产量的主要工艺因素，其中包括石英原料、石墨坩埚、配电、真空泵油、熔炼制度等方面的问题。

Processing problems including requirements of quartz raw materials , graphite crucibles , power supply , vacuum pump oil , melting schedule etc. which affect the production and quality of transparent silica glass tubes by vacuum-pressure method have been discussed .

实验在石墨坩埚中进行，温度范围是1400～1570℃，有些渣剂可以达到极其快的脱硫速度，甚至是在较低温度的铁水处理中。

These experiments have been carried out in graphite crucibles at temperatures in the range 1400 ~ 1570 ℃, and extremely rapid desulphurization rates have been achieved with some blends , even at the lower temperatures typical of hot metal treatment .

分别用石墨坩埚和粘土坩埚对银基电触头材料和银基钎料进行中频熔炼试验，比较两种坩埚对所熔炼材料成分的影响。

The paper explains the experiment of smelting silver based electric contact materials and silver based solder by medium-frequency induction furnace with graphite and clay crucible . It compares the effects of the two type crucibles on the compositions of the melted materials .

结果表明：试样浸渍Al/P比值为1/2的酸式磷酸铝、控制工艺过程中浸渍剂和试样的温度在90℃左右，石墨坩埚试样浸渍处理后可获得较理想的抗氧化性能。

The results showed that graphite crucible sample which were dipped by acid phosphate aluminium whose ratio of Al to P is 1 / 2 obtained relatively nice oxidation resistance capability after heat treating , temperature of impregnant and sample should be about 90 ℃ in dipping process .

但高石墨化度的坩埚，或者坩埚随高温晶体生长过程石墨化度的提高，都将直接导致晶体生长速度减缓，并导致籽晶表面Si相及与其相关的缺陷增多。

High graphitization degree or increase of graphitization degree for crucible during growth process will degrade the growth rate of crystal and augment Si inclusions and defects relative to them .

偏硼酸锂&石墨粉垫层瓷坩埚熔矿硅酸盐快速系统分析法

Lithium metaboric-graphite powder padded china-crucible ore-smelting silicate repid system atic analysis

高纯石墨可加工各类石墨模、石墨质机械零件、石墨坩埚、石墨轴承、碳刷等。可用于冶金、化工、轻工、制药、纺织、石油、国防、航天等行业。

Machinable various types of high-purity graphite-graphite , graphite of mechanical parts and graphite crucible , bearing graphite , carbon brush , and so on .