residual penetration

residual penetration

[rə′zij·ə·wəl ‚pen·ə′trā·shən]
(ordnance)
As pertains to shaped charge ammunition, penetration of the jet into a backing target of some standard material after passage through a thickness of target material under test; this penetration is a measure of the effectiveness of the tested material against the jet.
References in periodicals archive ?
Its low size and weight, versatile high-performance, negligible residual penetration and ease of integration position IFLD as an optimal active protection solution for any fighting vehicle.
Figure 3 shows instantaneous penetration depth [R.sub.p] and residual penetration depth [R.sub.h] values determined as described earlier.
The scratch paths and scratch penetration data (initial penetration depth, [D.sub.i], and residual penetration depth [D.sub.r]) as a function of scratch distance during a progressive-load scratch testing for an unfilled PU coating are presented in Fig.
The relationship between the residual penetration deth (Fig.
He cautions that unless Taiwan completes the consolidation of its democracy there will be residual penetration of the state by the KNIT.
The Rockwell hardness test measures the depth of residual penetration by a steel or diamond cone under fixed load conditions.
Indexes Test results Specification Penetration 61.3 60~80 (25[degrees]C)/0.1mm Softening 50.7 [greater than or point/[degrees] C equal to] 46 Ductility >100 [greater than or (15[degrees]C)/cm equal to] 100 TFOT Quality change/% -0.214 [less than or equal to] [+ or -] 0.8 Residual penetration 67.7 [greater than or ratio (25[degrees]C)/% equal to] 61 Residual ductility 11.1 [greater than or (10[degrees]C)/cm equal to] 6 Table 2: Main technical indexes of modified asphalt.
At the same time, after the aging of the rotating film, the residual penetrations of the modified Buton rock asphalt with five different mixing amounts are all higher than that of the matrix asphalt, indicating that the antiaging performance of the modified Buton rock asphalt has obvious improvement.