The properties and applications of rhenium produced by CVD

Abstract

Rhenium possesses a unique combination of properties Ibnt milk£ it an excellent choice for many appliCiltions demanding high-temperature strength, wear resistance and er0-sion resistance. While fhe majoruseofrhenillm is still in bimetallic catalysts, renewed interest in improved propulsion and space-power systems has led to increased development of rhmium as a structural material. Recent investigations have illustrated the tremem/ous advantages of rhenium in cerlll;n structural applications. The superiorperformanceofrhenium am be attributed to its chemical inertness, superior high-temperature strength and room-temperature ductility. In several deImmding applications, "limy of rhenium's properties can be optimally expwifed by using chemical vapor deposition

Permeability of open-pore microcellular materials

“…Also, foams produced by coating such polymeric foams with a thicker layer (several lm) of metal or ceramic (e.g. [40,41]) have a closely related structure. A second type of foam falling into this category is that of replicated foams.…”

Design of a Closed Loop Computer Controlled System for Selective Area Laser Deposition. I. Laser Systems, Gasflow, and Substrate Temperature Control

“…T h e feed gases may be introduced at different positions within the reactor in order to impede undesirable chemical reactions or to promote important reactions that precede the deposition reactions. An example of the latter is to feed a halogen gas through a bed of heated transition metal powder to create a stream of halogenated metal vapor which is subsequently used in another region of the reactor to coat a substrate by CVD (16).…”

SI‐SIC LigaFill ® Foams and Related Net‐like Structures – New Lightweight and Low‐cost Materials for Spaceborne Applications

“…SiC foams produced by the CVD/CVI technique are available 6 . This process also starts with reticulated polymer foam, which is converted into a carbon skeleton.…”