Longitudinal tensile behavior of h4lm graphite in nitrogen to 2750 °C
✍ Scribed by Morton C. Smith
- Publisher
- Elsevier Science
- Year
- 1964
- Tongue
- English
- Weight
- 923 KB
- Volume
- 13
- Category
- Article
- ISSN
- 0022-3115
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Tensile strength data are presented for a molded H4LM graphite tested in the longitudinal orientation ("across the grain") at a nominal engineering strain rate of 0.0005 /min in liquid hydrogen at -253"C, in liquid nitrogen at -196"C, and in air at room temperature, 250 and 500°C. All ultimate stren
Curves are presented showing the ultimate tensile strength of molded H4LM graphite in the transverse orientation ("with the grain") as a function of temperature, for tests made in vacuum and in static helium at nominal engineering strain rates of 0.005, 0.5 and 2.0/min. Temperature ranges considered
Creep curves for eight different graphites showed that the creep strain obeyed the well known equation E= At". Since the mechanisms controlling creep rate through stress and temperature are dependent on structure, it seems inappropriate to analyse the coefficients of this equation in detail. Activat