Inorganic Fibres & Composite Materials. A Survey of Recent by P. Bracke

By P. Bracke

A compendium of the present cutting-edge within the know-how of inorganic fibre manufacture and its use within the improvement of recent excessive grade composite fabrics. presents complete info that's good prior to commercial attention with necessary perception in terms of improvement and anticipated destiny developments. particular entries are supplied for crucial forms of fibres recognized so far, each one variety mentioned less than manufacture, post-treatments, homes and makes use of. additionally comprises prime quality photomicrographs, diagrams of the method options and molecular constructions, bibliographical information, and beneficial summaries in tabular shape. Lists over 870 patent references

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G. hafnium carbide or hafnium nitride layers (40) or a carbon-rich silicon carbide layer ( 4 1 ) , have been deposited. It is noted here that the post-treatments described above have been applied to fibres produced by CVD or chemical conversion processes. For silicon carbide fibres produced from organsilicon precursor fibres such post-treatments have not been described up to now. 4. Properties and Uses With reference to silicon carbide fibres which are the most important and the best developed fibres at this moment, the most striking properties are their high thermal stability, their good mechanical properties and their excellent resistance to oxidation and chemical attack.

More recently some activity was also reported in FRANCE (SNECMA; SOC. NAT. DES POUDRES ET EXPLOSIFS) and to a lesser degree in FRG. As far as can be concluded from the present literature study,little or no substantial work has been done in Japan. REFERENCES TO CHAPTER 3 (1) (2) (3) (4) (5) (6) (7) (8) (9) '10) 11) 12) 13) 14) 15) 16) 17) 18) 19) (20) 121) [22) 23) (24) (25) (26) (27) (28) (29) '30) (31) (32) (33) (34) (35) (36) (37) ! ! ; ! I. M. WEIL) US 3620836 (GENERAL ELECTRIC) US 3787236 (UNITED AIRCRAFT) US 3741797 (GENERAL TECHNOLOGY CORP) DE 1954480 (UNITED AIRCRAFT) US 3679475 (UNITED AIRCRAFT) US 4142008 (AVCO CORP) US 4163583 (AVCO CORP) US 4045597 (AVCO CORP) US 3903347 (UNITED AIRCRAFT) US 3903323 (UNITED AIRCRAFT) US 3811927 (GREAT LAKES CARBON CORP) US 3572286 (TEXACO) FR 2243907 (SOC.

Manufacturers made useful processes available one at a time to produce fibres suitable for the applications for which they were intended. 1. suitable methods were : the molten oxide process, the extrusion process, the "relic" process and the process of fibrizing viscous fluids of metal oxide precursors. Consequently available data on refractory oxide fibres are reviewed hereafter according to their method of fabrication since these methods cover almost completely the most important developments from 1970 on.

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