Assertion: rust | /r/HasProperty | α-feooh and iron oxides
Facets:
value: for ductile iron
type: PURPOSE
value: mainly
type: DEGREE
Source sentences:
text: For ductile iron at 0.015 wt.% of chloride, the rusts were mainly composed of α-FeOOH and iron oxides (mainly magnetite (Fe 3 O 4 )).