overplate

plural overplates

1. In armour, a large pauldron protecting the shoulder, or a cubitiere protecting the elbow.
2. A layer of metal that covers an undercoat.

   Fatigue or cracking due to cyclic loading of the overplate is influenced by its thickness.

   1981, Diesel Progress North American - Volume 47, page 34

   1 more example

   Although a minimum 30 micro-inch Au layer is the normal connector contact overplate thickness, a 30 micro-inch layer of nickel-palladium (Ni/Pd) with a Au flash has been reported resistant to both and hydrogen BGA

   2001, Karl J. Puttlitz, Paul Totta, Area Array Interconnection Handbook, →ISBN, page 846

3. A flat protective sheet that covers something

   The next phase is to adapt a wax sheet to fit against the vertical flange of the stage, so forming an overplate.

   1994, Keith F. Thomas, Prosthetic Rehabilitation, page 96

4. geographyA tectonic plate that has moved over and covered another tectonic plate.

   The once near-surface rocks will be relatively more oxidised, so that the fluids will tend to oxidise the overplate and, consequently will not precipitate silica but rather dissolve it.

   2012, Franco Pirajno, Hydrothermal Mineral Deposits, →ISBN

present singular third person overplates · participle present overplating · participle past overplated · past overplated

1. To form an overplate.

   If there is free iron on the surface, copper will overplate onto iron.

   2012, Roger Narayan, Susmita Bose, Amit Bandyopadhyay, Biomaterials Science: Processing, Properties and Applications II, →ISBN

   3 more examples

   Pits in the nickel plate were introduced by accelerated corrosion testing and the casting was overplated with copper before sectioning.

   1973, William H. Safranek, Eric W. Brooman, Finishing and electroplating die cast and wrought zinc, page 21

   The mesenchymal or cell-matrix tissue can be constituted with smooth muscle cells and overplated with endothelial cells to simulate the wall of an arterial vessel.

   1992, Linda G. Cima, Eyal S. Ron, Tissue-inducing Biomaterials: Symposium Held December 4-6, 1991, Boston

   Obviously, it does little good to meet the tolerance of the +0.005 inch, only to overplate the holes with lesser tolerance.

   2012, Raymond H. Clark, Handbook of Printed Circuit Manufacturing, →ISBN, page 285

2. geographyTo move on top of and cover another tectonic plate.

   ...which may have overplated the Archean continents in response to the widespread rifting characteristics of this time of the Earth's history.

   2012, Franco Pirajno, Hydrothermal Mineral Deposits, →ISBN

   1 more example

   Reflectance spectroscopy (Roush and others, 1993) suggests Mars has a dominantly basaltic crust, but this result may apply only to the surficial rocks, which could be overplated basalt (Lowman, 1989).

   1996, Journal of Geoscience Education - Volume 44, page 496

3. To form an overly thick plate on top of something.

   A comparison is shown in figure 1 where it can be seen that with positive photoresist (top) the solder is overplated and with thick negative photoresist (bottom) the solder remains in the photresist pattern.

   2007, Takeshi Hattori, Cleaning and Surface Conditioning Technology in Semiconductor Device Manufacturing 10, →ISBN