Titanium plate introduction

Titanium gold plate, also known as stainless steel titanium plate, is a high wear-resistant, corrosion-resistant gold yellow titanium nitride gold layer that is polished on a mirror surface using a large vacuum coating equipment.
Titanium is also called space metal. With the characteristics of the future, tough, corrosion-resistant, bright silver, not black, not allergic to anyone, is the only metal that has no effect on the human autonomic nerves, its unique silver-gray tone is not only highly polished, mercerized, dumb Light has a very good performance, in addition to gold and silver, the most suitable jewelry material. The market is commonly known as titanium gold.
Titanium was discovered at the end of the 18th century. In 1791, British chemistry enthusiast W. Gregor discovered an unknown new element in the mineral. In 1795 the German chemist MH Klaproth discovered this element in the study of rutile (TiO2). He named it in the name of the Titan, the son of the Greek mythology. For titanium). In ancient Greece, the “Titan spirit” was a synonym for courage, and the name titanium was used to designate the natural strength of titanium metal.
Titanium gold plate is used for advertising materials because of its bright luster, such as made of titanium gold medals, titanium gold and so on.
As an advertising material, titanium plate and stainless steel plate can be used for etch processing:
When titanium is the main element, it is mainly considered to etch TI. Hydrogen chloride gas can corrode metal titanium. Dry hydrogen chloride reacts with titanium to generate TiCl4 at >300°C, see formula (3); hydrochloric acid at concentration < 5% does not react with titanium at room temperature. In reaction, 20% hydrochloric acid reacts with titanium at room temperature to produce purple TiCl3, see formula (4). When the temperature is high, even dilute hydrochloric acid can corrode titanium. >5% of sulfuric acid has obvious reaction with titanium. Under normal temperature, about 40% of the sulfuric acid has the fastest corrosion rate to titanium. When the concentration is greater than 40%, the corrosion rate becomes slower when it reaches 60%, and 80% reaches the maximum. fast. Heated dilute acid or 50% concentrated sulfuric acid can react with titanium to form titanium sulfate (these have little effect on gold)
When gold is the main element, aqua regia is used (no effect on titanium).
Sodium fluoride plus a small amount of hydrochloric acid water scrubbing can remove the titanium layer on the stainless steel surface.

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