Microstructure dependence of fatigue strength and fatigue crack propagation in titanium aluminide
β Scribed by Hideaki Shibata; Keiro Tokaji; Takeshi Ogawa; Hirohisa Shiota
- Book ID
- 107891928
- Publisher
- Elsevier Science
- Year
- 1996
- Tongue
- English
- Weight
- 546 KB
- Volume
- 18
- Category
- Article
- ISSN
- 0142-1123
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The crack propagation velocity in corroGon fatigue (du/dN), were measured on the Ni-Cr-Mo steel quenched and tempered at 473 or 773 K. The steel with high sensitivity to delayed failure reveals the largest (du/dN), under square load and the smaller (da/dN), under positive saw tooth load. The frequen
Crack nucleation and growth behavior of corrosion fatigue are investigated experimentally and theoretically for 200Β°C tempered AISI 4340 steel in 35% NaCl solution. The crack nucleation at notch roots is determined by the electrical potential method. The cycle for crack nucleation, N,, increases wit