dwell time


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dwell time

The period for which a dye penetrant should remain on the surface of the component being inspected for any surface-defect-by-dyepenentrant inspection method. The dwell time is a direct function of the size of the surface defect and the temperature of the part. See also dye penetrant inspection.
References in periodicals archive ?
Several tests have been carried out running the engine at 2000 rpm and BMEP = 3 bar, while varying the dwell time between injections.
The median dwell time for PICCs was 11 days, compared with 25 days for the tunneled catheters, a significant difference.
In order to depict the switching signal [sigma](t), we introduce the definition of dwell time.
That is proportional to the user's dwell time, and is inversely proportional to the page size.
The new Flexi-Free HS Laminates heat seal at temperatures 40[degrees] lower than standard laminate materials, allowing machine operators to shorten dwell times and increase speed.
Take the equipment back early and then redeliver it back at the end of their dwell time.
From table 1 and figure 2 it can be appreciated that the temperature as well as the dwell time during the SPS technology does not have a significant influence on the COF and the friction force.
Multiple drum driers are ideal for applications requiring high line speeds, extended dwell time and in-line temperature profiling for drying, thermal bonding and cooling.
The target crystallinity of 15 to 24 J/g is achieved by a combination of resin, nucleating agent, sheet temperature, and oven dwell time.
Probably the single most influential factor the assembler can control is the dwell time on the wave.
Hanatek says the standard also calls for sled placement with fixed dwell time because hand placement of the sled leads to uncertain results for static slip: the fixed dwell time ensures that all samples have the same amount of contact time before testing, without which there can be inconsistencies on certain coatings/plastic formulations.