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Titanium

Titanium. ME 372 Design File Presentation December 12, 2001. Doug Espenschied Abe Sego. Titanium. Material Properties Production Applications Sources. Pure Titanium S ut = 270-750 MPa S y = 165-485 MPa Se ¢ = 0.5 S ut E » 110 GPa G » 45 GPa

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Titanium

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  1. Titanium ME 372 Design File Presentation December 12, 2001 Doug Espenschied Abe Sego

  2. Titanium • Material Properties • Production • Applications • Sources

  3. Pure Titanium Sut = 270-750 MPa Sy = 165-485 MPa Se¢ = 0.5 Sut E»110 GPa G»45 GPa Density: 4500 kg/m3Melting Point: 1668 °C Titanium Alloys Sut = 350-1200 MPa Sy = 200-1170 Mpa Se¢ = 0.4-0.65 Sut Common Alloy Elements Aluminum Copper Manganese Molybdenum Tin Vanadium Zirconium Material Properties

  4. Production Rutile Ore Sponge Ingot

  5. Machineabilty Can be done economically Bad stories from aircraft alloys (350+ BHN) Must consider physical properties Comparable to 316 stainless steel Beware of surface finish for fatigue life Formability Hot vs. Cold Forming Similar to stainless steel Production Weldability • Similar to nickel alloys and stainless steels • GTAW, GMAW, electron beam, laser, and friction welding

  6. Application

  7. Advantages Strength to weight ratio Low density Exceptional corrosion resistance Excellent elevated temperature properties Low thermal expansion coefficient High melting point Shock/ballistic resistance Nontoxic, hypo allergenic Disadvantages Material Cost Production Cost Production complexity Application

  8. Applications

  9. WWW Commercial Sites • http://www.titanium.com • http://www.rti-intl.com • http://www.fusheng.com • http://www.supraalloys.com • http://www.toho-titanium.co.jp Academic Sites • http://www.tech.plymouth.ac.uk/sme/desnotes/titanium.htm • http://www.ulib.org/webRoot/Books/National_Academy_Press_Books/titanium/titan001.htm

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