refractory metal

Uses: For making glass, ceramics, flux of metal smelting & refractory brick, etc.

用途: 供制造玻璃 、 瓷器 、 冶炼金属熔剂 及 耐火砖等.

Monocrystal molybdenum is a kind of widely used and important refractory metal.

钼单晶是一种广泛应用的重要的难熔金属材料.

Hard alloy, refractory metal, super hard alloy ( diamond ) products, etc.

硬质合金 、 熔金属 、 硬合金 ( 刚石 ) 品等.

Refractory metal and cemented carbides: steel, metal steel, tungsten metal, crucible etc.

难溶金属及制品: 高速钢 、 耐热合金钢 、 高比重钨合金 、 钼坩埚等.

In this paper, the progress of 2200~ 3000 ℃ ultrahigh temperature and oxidation resistance composites is reviewed, which includes refractory metal and alloy, ceramics, refractory carbide and oxidation-resistance carbon/ carbon composites.

综述了国外新一代可重复使用液体火箭发动机用超高温抗氧化材料的研究进展，主要包括难熔金属及合金、难熔陶瓷材料、难熔碳化物、难熔硼化物和抗氧化C/C复合材料。

In order to solve the problems of refractory metal oxide and carbide inhomogeneous distribute in C/ C composites. In this paper, three kinds of zirconium doped C/ C composites were prepared by different materials and processes.

为解决难熔金属氧化物、碳化物在C／C复合材料中的分布的问题，本文以不同原料和工艺制备出3种锆掺杂C／C复合材料。

Technical progress of refractory metal single crystal processing was introduced and state of the art of single crystal preparation was summarized;

综述了当前难熔金属单晶制备的技术现状，介绍了难熔金属单晶技术进展，并对难熔金属合金单晶前景进行了展望。

Present Situation and Prospect for Refractory Metal Single Crystal Processing

难熔金属单晶技术现状与展望

The development of Metal-Refractory multiple structure in china has been discussed.

综合论述了我国钢铁冶炼业“金属 — 耐材”复合结构的研究现状.

It is concluded that the future development of refractory metal single crystal should orient to the following aspects, i.e., further decreasing the content of impurity elements, especially C content;

作者认为难熔金属单晶制备技术应沿着如下几个方面发展：进一步降低杂质元素特别是C元素的含量，提高单晶纯度水平；

It can be used to weld the refractory metal and metal that difficult to weld, such as titanium alloy, aluminum alloy, etc. In addition, laser welding process has no pollution to the environment and the technology is easy to master.

它能够焊接难熔、难焊的金属，如钛合金、铝合金等。此外，激光焊接过程对环境没有污染，技术简便。

Hard alloy, refractory metal, superhard alloy ( diamond ) products, etc.

硬质合金 、 难熔金属 、 超硬合金 ( 金刚石 ) 制品等.

Study on Chemical Reactions Between Metal and Carbon in Carbon/ Carbon Composites Containing Refractory Metal Distribution in Statistics of Wear Rate Data of Refractory Metal Carbide Coatings

混杂难熔金属C/C复合材料中金属与碳反应初步研究难熔金属碳化物覆层磨损率的统计分布

Raman Scattering of Refractory Metal Titanium Silicide

难熔金属硅化物的喇曼散射