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131. Creep behavior of hot isostatically pressed graphite

✍ Scribed by E.G Zukas; W.V Green


Publisher
Elsevier Science
Year
1969
Tongue
English
Weight
111 KB
Volume
7
Category
Article
ISSN
0008-6223

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✦ Synopsis


are considerably under-estimated.

This difficulty must be understood before defect structure calculations can be carried out adequately for graphite. The Morse potential yields a much larger anharmonic coefficient than is deduced from thermal expansion measurements.


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Specimens of two commercial graphites were hot-isostatically pressed at 2700Β°C to more than 95 per cent of theoretical density. These were compared in creep to unpressed specimens from the same artifact. The creep curves were similar in shape; strengths were equal, creep ductilities were equal, and

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Hot isostatic pressing has been applied for the consolidation of four commercially available nitride powders, i.e. titanium, tantalum, zirconium and hafnium nitrides and the reactivity in oxygen of cubic specimens is compared. Two types of behaviour have been recorded: 0 the oxidation of the titani

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## Abstract Ti/NiCr20TiAl and NiCoCrALY/IN617 composite materials have been produced by vacuum plasma spraying, Arc‐PVD and hot isostatic pressing. Regarding their mechanical and technological properties they are dependent on the heat treatment during the production process. Therefore optimized str