Material defects and anomalies
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Internal defects
The following topics can be found in this area:
blow holes , slags , segregations and degree of purity
The represented examples don't have to lead to the
failure of the material in every case. These are merely examinations of indications
in the material insides, which differs from the standard.
At the enlarged views a measuring function is available.
The measuring spots 1 and 2 get specified with the left mouse button and the distance
between them gets computed on base of the magnification scale. An optical measuring
point marking takes place on the screen by means of little measuring crosses. For the
use of the measuring function you must activate Javascript in your browser.
Measuring accuracy of the different magnifications:
12,5 : 1 ca. 9 µm
50 : 1 ca. 2 µm
100 : 1 ca. 1 µm
200 : 1 ca. 0,5 µm
500 : 1 ca. 0,2 µm
1000 : 1 ca. 0,1 µm
F001 - Slags in the core zone - 1.7225
F003 - Large slag line - 1.5919
F008 - Shrink hole with scale - 1.2343
F009 - Pores in the core - 1.2379
F021 - Torn wire at the drawing - 1.7176
F035 - Material breaks at the drawing - 1.2249
F052 - Strong slag line - 1.3520
F062 - Cracks by internal defect - 1.4122
F064 - Strong slag line - 1.4718
F069 - Strip with porosity - 1.2201
F071 - Core segregation with sulfide accumulation - 1.4105
