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Titanium gold (5789 views - Material Database)

In metallurgy, titanium gold (Ti-Au or Au-Ti) refers to an alloy consisting of titanium and gold. Such alloys are used in dentistry, ceramics and jewelry. Like many other alloys, titanium gold alloys have a higher yield strength, tensile strength, hardness, and magnetism than either of its constituent metals. In July 2016, researchers have discovered that a titanium-gold alloy, β-Ti3Au (strictly speaking, an intermetallic), is up to 4 times harder than titanium.
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Titanium gold

Titanium gold

In metallurgy, titanium gold (Ti-Au or Au-Ti) refers to an alloy consisting of titanium and gold. Such alloys are used in dentistry,[1][2] ceramics and jewelry.[3] Like many other alloys, titanium gold alloys have a higher yield strength, tensile strength, hardness, and magnetism than either of its constituent metals.[4]

In July 2016, researchers have discovered that a titanium-gold alloy, β-Ti3Au (strictly speaking, an intermetallic), is up to 4 times harder than titanium.[5]

In popular culture

In the 2008 film Iron Man (2008 film), the title character wears an armor made from a titanium-gold alloy.[6][7] According to actor Robert Downey Jr., who played the role of Iron Man, the suit fit him "like a gold-titanium glove".[8]

  1. ^ Fischer J (December 2000). "Mechanical, thermal, and chemical analyses of the binary system Au-Ti in the development of a dental alloy". J. Biomed. Mater. Res. 52 (4): 678–86. PMID 11033550. doi:10.1002/1097-4636(20001215)52:4<678::AID-JBM12>3.0.CO;2-P. 
  2. ^ Franke, P.; Neuschütz, D. (2007). Franke, P.; Neuschütz, D., eds. "Au-Ti (Gold–Titanium)". 19B5. SpringerMaterials: 1–5. doi:10.1007/978-3-540-45280-5_32. 
  3. ^ Gafner, Geoffrey (1989). "The development of 990 gold–titanium: its production, use and properties". Gold Bull. 22 (4): 112–122. doi:10.1007/BF03214709. 
  4. ^ Svanidze, Eteri; Besara, Tiglet; Ozaydin, M. Fevsi; Tiwary, Chandra Sekhar; Wang, Jiakui K.; Radhakrishnan, Sruthi; Mani, Sendurai; Xin, Yan; Han, Ke (2016-07-01). "High hardness in the biocompatible intermetallic compound β-Ti3Au". Science Advances. 2 (7): e1600319. ISSN 2375-2548. doi:10.1126/sciadv.1600319. 
  5. ^ "Titanium + gold = new gold standard for artificial joints". news.rice.edu. Retrieved 2016-09-17. 
  6. ^ http://www.latimes.com/entertainment/la-et-iron1-2008may01,0,5392362.story
  7. ^ http://www.bit-tech.net/gaming/pc/2008/05/09/iron-man/1
  8. ^ http://www.theinsider.com/news/842818_Robert_Downey_Jr._Says_Iron_Man_Suit_Fits_Him_Like_Gold_Titanium_Gold



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