The Initiation Of Hot Salt Stress Corrosion Cracking Of Titanium Alloys PDF Download
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Author | : SP. Rideout |
Publisher | : |
Total Pages | : 13 |
Release | : 1968 |
Genre | : Crack initiation |
ISBN | : |
Download The Initiation of Hot-Salt Stress Corrosion Cracking of Titanium Alloys Book in PDF, ePub and Kindle
The initial stages of hot-salt stress corrosion cracking of titanium alloys were studied using hot-stage microscopy and cinematography. An incubation period for cracking was observed, the duration of which depends on exposure temperature, salt composition, and alloy composition. For Ti-8Al-1Mo-1V exposed to sodium chloride (NaCl) the incubation period decreased from about 96 hr at 475 F, to 20 hr at 500 F, to 11⁄2 hr at 650 F, to only 10 min at 850 F. This same alloy cracked severely in only 20 min at 475 F when exposed to tin chloride (SnCl2) indicating that the apparent "threshold temperature" for cracking is strongly influenced by chemical environment. At 650 F the incubation period for NaCl cracking of four alloys containing aluminum increased with decreasing aluminum content. Cracks appeared abruptly and propagated rapidly for a short distance, then apparently paused for additional corrosion-embrittlement to occur. Moisture was demonstrated to be a vital ingredient in hot-salt attack, and the presence of absorbed hydrogen in salt-corroded areas has been demonstrated using radiotracer tritium (H3). These results support the hypothesis that absorption of corrosion-produced hydrogen promotes embrittlement and crack initiation.
Author | : W. K. Boyd |
Publisher | : |
Total Pages | : 52 |
Release | : 1964 |
Genre | : Titanium alloys |
ISBN | : |
Download The Phenomenon of Hot-salt Stress-corrosion Cracking of Titanium Alloys Book in PDF, ePub and Kindle
Author | : R. S. Ondrejcin |
Publisher | : |
Total Pages | : 36 |
Release | : 1971 |
Genre | : Salt |
ISBN | : |
Download The Hot-salt Stress Corrosion Cracking of Titanium Alloys Book in PDF, ePub and Kindle
Author | : R. S. Ondrejcin |
Publisher | : |
Total Pages | : 36 |
Release | : 1971 |
Genre | : Salt |
ISBN | : |
Download Hot-salt Stress Corrosion Cracking of Titanium Alloys Book in PDF, ePub and Kindle
Author | : Dick M. Royster |
Publisher | : |
Total Pages | : 44 |
Release | : 1969 |
Genre | : Salt |
ISBN | : |
Download Hot-salt-stress-corrosion Cracking and Its Effect on Tensile and Stress-rupture Properties of Ti-6Al-4V Titanium-alloy Sheet Book in PDF, ePub and Kindle
Salt stress corrosion cracking effects on tensile and stress rupture properties of titanium alloy sheet.
Author | : Marvin Garfinkle |
Publisher | : |
Total Pages | : 44 |
Release | : 1972 |
Genre | : Metals |
ISBN | : |
Download An Electrochemical Model for Hot-salt Stress-corrosion of Titanium Alloys Book in PDF, ePub and Kindle
An electrochemical model of hot-salt stress-corrosion cracking of titanium alloys is proposed based on an oxygen-concentration cell. Hydrogen embrittlement is proposed as the direct cause of cracking, the hydrogen being generated as the results of the hydrolysis of complex halides formed at the shielded anode of the electrochemical cell. The model found to be consistent with the diverse observations made both in this study and by many investigators in this field.
Author | : Hugh R. Gray |
Publisher | : |
Total Pages | : 26 |
Release | : 1969 |
Genre | : Gas-turbines |
ISBN | : |
Download Hot-salt Stress-corrosion of Titanium Alloys Book in PDF, ePub and Kindle
Author | : Dick M. Royster |
Publisher | : |
Total Pages | : 44 |
Release | : 1968 |
Genre | : Salt |
ISBN | : |
Download Hot-salt-stress-corrosion Cracking and Its Effect on Tensile Properties of Ti-8Al-1Mo-1V Titanium-alloy Sheet Book in PDF, ePub and Kindle
Author | : American Society for Testing and Materials |
Publisher | : |
Total Pages | : 282 |
Release | : 1966 |
Genre | : Clear air turbulence |
ISBN | : |
Download Stress-corrosion Cracking of Titanium Book in PDF, ePub and Kindle
Author | : |
Publisher | : |
Total Pages | : 280 |
Release | : 1966 |
Genre | : Technology & Engineering |
ISBN | : |
Download Stress-corrosion Cracking of Titanium Book in PDF, ePub and Kindle