难熔合金

从而，钎焊接头的成分就由高熔点的TiC相和Ti-Ta-W难熔合金所组成。

The composition of the brazed joint is then made up of the TiC phase of high melting point and the refractory alloy of Ti-Ta-W.

真空电弧炉是熔炼难熔合金和活性金属的重要设备，对许多工业领域的特种材料的制备起着重要的作用。

Vacuum arc furnace is an important equipment for melting refractory alloys and active metals , which plays an important role in the preparation of special materials .

难熔钨合金与硬质合金的研究新动向

Progress of Research on Refractory Tungsten Alloys and Hardmetals

红外吸收法测定难熔铁合金中的硫时积分时间延长原因的探讨

Investigation in the causes of extension of integral time in the determination of sulfur in infusible ferroalloys by infrared absorption

本文阐述了粉末注射成形技术及其特点，以及在难熔钨合金和硬质合金及其它材料中的应用。

The powder injection molding technology , features and application in materials such as refractory tungsten alloys and hard alloys are reviewed in this paper .

采用化学气相沉积法沉积钼钨等难熔金属合金，沉积纯度高，设备简单，沉积速率快，在高温抗烧蚀涂层及耐腐蚀涂层方面具有广泛的应用前景。

The strengths of refractory metal alloy film grown by CVD , say Mo-W coating , include high purity , simple equipment and fast film growth rate .

针对纳米粉末烧结时的晶粒长大问题，介绍了可能的几种纳米块体材料的烧结技术和今后纳米难熔钨合金材料的研究发展方向，并指出了今后该种新型材料的应用发展前景。

Aimed at the grain growth of the nano_powder during sintering , several kinds of potential enhanced sintering technology about nano_powder were presented , and the forthcoming development orientation and prospects were also pointed out .

难熔金属及其合金单晶的发展

Progress on Single Crystals of Refractory Metals of Their Alloys

本研究对含难熔金属废合金回收过程和难熔金属湿法冶金生产过程中除磷问题具有一定的指导意义。

This paper may be of some help in eliminating phosphorus in the process of recovery of alloy scrap and the process of hydrometallurgy of refractory metals .

该方法工作温度低、工序简单、节约成本、环境友好，适用于制备难熔金属及合金。

This process works at low reaction temperature with simpler operations and lower production cost and is friendly to the environment , providing a new way for the preparation of high melting point metal and alloys .

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 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 .

介绍了国外难熔金属和硬质合金粉末注射成形技术及其应用。

Description is made of the injection moulding and its application for the powdered refractory metals and cemented carbides .

二硅化钼因较高的熔点、抗热冲击性、良好的导热性和优异的高温抗氧化性能可作为难熔金属钼及其合金高温抗氧化涂层。

Molybdenum disilicide can be used as anti-oxidation coating of refractory metals molybdenum and alloys for high temperature , which is due to the higher melting point , thermal shock resistance , good thermal conductivity and excellent high temperature oxidation resistance .

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。

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