Experimental Assessment of the Susceptibility to Stress-Corrosion Cracking of Ti-6A1-4V Alloy Exposed to MON-1 Propellant Tank Environment's Background and Test Design

Details Experimental Assessment of the Susceptibility to Stress-Corrosion Cracking of Ti-6A1-4V Alloy Exposed to MON-1 Propellant Tank Environment's Background and Test Design Experimental Assessment of the Susceptibility to Stress-Corrosion Cracking of Ti-6A1-4V Alloy Exposed to MON-1 Propellant Tank Environment's Background and Test Design

Oct 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004esasp.555e..54b&link_type=abstract

Proceedings of the 4th International Spacecraft Propulsion Conference (ESA SP-555). 2-9 June, 2004, Chia Laguna (Cagliari), Sard

Computer Science

Scientific paper

Due to the Rosetta satellite launch postponement, the possibility of subjecting the titanium propellant tanks to off-loading, decontamination and subsequent refilling was considered by the European Space Agency. In this light, it was unknown whether, during this process, alterations of chemical composition of residuals in the tanks could cause unacceptable stress- corrosion damage of the tank material. So far, the susceptibility of Ti-6Al-4V alloy to stress-corrosion cracking in MON-1 environment has been assessed in nominal conditions of stress and chemical environment which are not sufficiently representative of real cases such as the off-loading, decontamination and refilling of tanks. The test programme that will be described in the paper has the objective of assessing the possibility of stress-corrosion cracking in Ti-6Al-4V propellant tanks in the case of tank off-loading, decontamination and refilling. The assessment involves the experimental determination of crack propagation stress intensity threshold values of parent plate and weld material exposed to the propellant tank stress and chemical environment expected during off-loading and decontamination. Based on these test results, the Agency will generate requirements on the reusability of titanium propellant tanks and recommendations to future projects on how to design tanks to avoid stress- corrosion damage. Since the test activity is currently in progress, in this paper the discussion will be focused on the background and test design phase.

Affiliated with

Also associated with

No associations

Rating

Experimental Assessment of the Susceptibility to Stress-Corrosion Cracking of Ti-6A1-4V Alloy Exposed to MON-1 Propellant Tank Environment's Background and Test Design does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with Experimental Assessment of the Susceptibility to Stress-Corrosion Cracking of Ti-6A1-4V Alloy Exposed to MON-1 Propellant Tank Environment's Background and Test Design, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Experimental Assessment of the Susceptibility to Stress-Corrosion Cracking of Ti-6A1-4V Alloy Exposed to MON-1 Propellant Tank Environment's Background and Test Design will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-840554