partial penetration

partial penetration

[′pär·shəl ‚pen·ə′trā·shən]
(ordnance)
Penetration obtained when a projectile fails to pass through the target far enough for either the projectile itself or light from its penetration to be seen from the back of the target.
References in periodicals archive ?
This process is suitable for butt welding and partial penetration stake welding to provide leak-tight joints.
The PVD application, incidentally, is 3 to 5 microns thick with partial penetration of the metal.
In fact more than 100 000 full penetration welds and many more partial penetration welds are performed every year in Eskom.
Rethmeier, "About the influence of a steady magnetic field on weld pool dynamics in partial penetration high power laser beam welding of thick aluminium parts," International Journal of Heat and Mass Transfer, vol.
And most importantly he strongly contended that there was no full or partial penetration.
Though you may think a building manager hardly needs to know about a decision to switch from partial penetration welds to full penetration welds, keeping everyone in the loop creates an atmosphere of mutual respect.
4) Testers deviated from the established testing protocols in one instance by improperly scoring a complete penetration as a partial penetration.
Used partial penetration welds, in prepared butt joints, in preference to full penetration welds when the force on the joint will allow.
Apparently, a screw driven through a wood joist to support another pipe contacted the outer diameter of the copper water pipe, resulting in a partial penetration.

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