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2. Physical vapor deposition - Wikipedia

   en.wikipedia.org/wiki/Physical_vapor_deposition

   PVD process flow diagram. Physical vapor deposition (PVD), sometimes called physical vapor transport (PVT), describes a variety of vacuum deposition methods which can be used to produce thin films and coatings on substrates including metals, ceramics, glass, and polymers. PVD is characterized by a process in which the material transitions from ...

3. Titanium nitride - Wikipedia

   en.wikipedia.org/wiki/Titanium_nitride

   Titanium nitride (TiN; sometimes known as tinite) is an extremely hard ceramic material, often used as a physical vapor deposition (PVD) coating on titanium alloys, steel, carbide, and aluminium components to improve the substrate's surface properties. Applied as a thin coating, TiN is used to harden and protect cutting and sliding surfaces ...

4. Surface finishing - Wikipedia

   en.wikipedia.org/wiki/Surface_finishing

   Surface finishing. A drill bit with surface finishing to make the cutting edges harder. Surface finishing is a broad range of industrial processes that alter the surface of a manufactured item to achieve a certain property. [1] Finishing processes may be employed to: improve appearance, adhesion or wettability, solderability, corrosion ...

5. Art in bronze and brass - Wikipedia

   en.wikipedia.org/wiki/Art_in_bronze_and_brass

   Art in bronze and brass. Celtic bronze flagon from Germany, imitating Greek style, c. 320 BC. Ancient Roman bronze statuette of dancing Lar. Art in bronze and brass dates from remote antiquity. These important metals are alloys, bronze composed of copper and tin and brass of copper and zinc. Proportions of each alloy vary slightly.

6. Patina - Wikipedia

   en.wikipedia.org/wiki/Patina

   Patina (/ p ə ˈ t iː n ə / pə-TEE-nə or / ˈ p æ t ɪ n ə / PAT-ih-nə) is a thin layer that variously forms on the surface of copper, brass, bronze, and similar metals and metal alloys (tarnish produced by oxidation or other chemical processes), or certain stones [1] and wooden furniture (sheen produced by age, wear, and polishing), or ...

7. Black oxide - Wikipedia

   en.wikipedia.org/wiki/Black_oxide

   Black oxide or blackening is a conversion coating for ferrous materials, stainless steel, copper and copper based alloys, zinc, powdered metals, and silver solder. [1] It is used to add mild corrosion resistance, for appearance, and to minimize light reflection. [2] To achieve maximal corrosion resistance the black oxide must be impregnated ...