History Of Titanium; Speeches

Essay by fryingpannJunior High, 9th gradeA-, May 2004

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In 1791, the Reverend William Gregor, an English clergyman and mineralogist, reported that he had discovered a magnetic black sand near the beaches of Cornwall, England. The mineral was named menachanite after the local parish of Menaccan. A few years after Gregor's discovery, M.H. Klaproth, a German chemist, separated TiO2 from the mineral rutile. Klaproth named the new element titanium after the giants of Greek mythology. However, it was not until 1910 that M.A. Hunter, an American chemist, produced pure titanium.

Titanium is a hard, silvery-gray metallic element. Its atomic number is 22 and its symbol is Ti. It is the 9th most common element in the Earth's crust. It also is found in meteorites, the moon, and the sun.

Titanium metal has a number of useful physical properties. It is very resistant to corrosion, hard, has a high melting temperature and is lightweight. Its strength is similar to steel, but is 45% lighter.

Titanium alloys can be twice as strong as aluminum alloys.

Titanium has no known nutritional benefit for animals. It does, however, have some slight benefits for plant health. And has been found to be very compatible with the human body and is often used in surgical instruments and medical implants such as in dental procedures.

Titanium is a strong lightweight metal often used in airplanes. When titanium combines with oxygen, it forms titanium dioxide (TiO2), a brilliant white pigment used in paint, paper, and plastics. Major deposits of titanium minerals are found in Australia, Canada, India, Norway, South Africa, Ukraine, and the United States.

2nd Speech

Most titanium is used in its oxide form. TiO2 is a white pigment used in paint, varnishes, plastics, paper, and other products such as fabrics, printing inks, roofing granules, and special coated fabrics.

Titanium is lighter than...