Which type crack can be detected by magnetic particle inspection using either circular or longitudinal magnetisation?
- 45degrees.
- longitudinal.
- transverse.
Explanation from PART66Online
Each magnetisation direction best reveals defects lying across its flux: circular field finds longitudinal cracks, longitudinal field finds transverse cracks. A crack at 45 degrees presents a component across both fields, so it produces a usable indication under either method, whereas a purely longitudinal or transverse crack is reliably found by only one of them.
M
mwongela asked · 7 Aug 2013
which crack is this?
Community Comments (6)
P
PART66Online
9 Aug 2013
diagonal crack I think... not transverse and not longitudinal. :)
M
mwongela
11 Aug 2013
hehehe ok....i thought so too
S
serzeb
11 Aug 2013
longitudinal.
M
mwongela
13 Aug 2013
serzeb, it cant be coz its among the choices which are wrong :-(
M
mwongela
13 Aug 2013
.... i assume
P
princessanam
18 Oct 2014
45
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