The phrase 'copper sheet' is correct and can be used in written English.
For example, you could use the phrase in a sentence such as: "Our roof was patched with a copper sheet to prevent any water from leaking in."
Somewhere on the copper sheet is probably a mark of the coppersmith who hammered it.
The operators tried to peel a copper sheet off the hull using the robot arm.
At £2.05 million, though, the copper sheet still did rather well.
"Jamie Fuller: Threshold/Transition," sculptures made from ordinary construction materials like brick, plate glass, copper sheet and wood.
Copper sheet was much used; some silver and meteoric iron, and occasionally gold, entered into various ornaments and utility pieces.
In this research, the micro compound blanking and deep drawing of copper sheet is conducted.
The process considered here is the ultrasonic metal welding of copper sheet and copper wire.
Another copper sheet, pierced through with uneven rows of holes, did not stir up the same emotions.
The FEP composite comprised two piezoceramic Pb(Zr,Ti O3 (PZT) plates and NdFeB magnets elastically coupled by a cantilever beam made of phosphor copper-sheet.
A notably superior ME coefficient of 3800 V/cm Oe at extremely low resonant frequency of 5.524 Hz was obtained for the FEP composite with the phosphor copper-sheet beam length of 8 cm.
The vibrating-electrode system was attached to a Nikon Eclipse TE-300 inverted microscope (Nikon, Melville, NY, USA) and housed inside a copper-sheet Faraday cage over a vibration-free platform.
