id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
cet-12245		cet-12245		6	.pdf	application/pdf	3910	208	47	Table 1: Direct causes of loss of containment in the 70 material degradation accidents Direct cause Number of ageing accidents % of ageing accidents Corrosion 40 57% Fatigue, creep, embrittlement 19 27% Vibrations 5 7% Erosion 1 1% Material degradation, other 5 7% Figure 2 gives the results for the 70 accidents as shown in the three lines of defence of the Storybuilder bow-tie model. In these frameworks, the understanding of the underlying causes of ageing related accidents, presented in Section 3.2, is essential to prioritise the factors and to steer, consequently, the development of the methods.	cache/cet-12245.pdf	txt/cet-12245.txt