Hydrogen induced cracking of Ti-24Al-11Nb at room temperature

Hydrogen induced cracking and delayed failure could occur during dynamic charging at room temperature, which was induced by atomic H continuously supplied during charging. The hydride formed during charging could not induce, but did facilitate, H induced cracking. K sub IH of the titanium alloy duri...

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Veröffentlicht in:	Scripta metallurgica et materialia 1993-10, Vol.29 (7), p.975-980
Hauptverfasser:	Zhang, Yue, Wang, Yi, Wang, Yan-Bin, Chu, Wu-Yang, Hsiao, Chi-mei
Format:	Artikel
Sprache:	eng
Schlagworte:	360102 - Metals & Alloys- Structure & Phase Studies 360103 - Metals & Alloys- Mechanical Properties ALLOYS ALUMINIUM ALLOYS Applied sciences CRACK PROPAGATION EMBRITTLEMENT Exact sciences and technology Fractures HYDROGEN EMBRITTLEMENT MATERIALS SCIENCE Mechanical properties and methods of testing. Rheology. Fracture mechanics. Tribology Metals. Metallurgy MICROSTRUCTURE NIOBIUM ALLOYS TITANIUM ALLOYS TITANIUM BASE ALLOYS
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Zusammenfassung:	Hydrogen induced cracking and delayed failure could occur during dynamic charging at room temperature, which was induced by atomic H continuously supplied during charging. The hydride formed during charging could not induce, but did facilitate, H induced cracking. K sub IH of the titanium alloy during dynamic charging depends upon the microstructure, but the variation of K sub IH with microstructure was just opposite to that of K sub c . The fracture of HIC correlated with K sub I .
ISSN:	0956-716X
DOI:	10.1016/0956-716X(93)90393-7