Volume 26 Issue 6
Dec.  2011
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LI Shi-kai. Effects of Bi-lamellar Microstructure on the Properties of Titanium Alloy[J]. Development and Application of Materials, 2011, 26(6): 17-21. DOI: 10.19515/j.cnki.1003-1545.2011.06.005
Citation: LI Shi-kai. Effects of Bi-lamellar Microstructure on the Properties of Titanium Alloy[J]. Development and Application of Materials, 2011, 26(6): 17-21. DOI: 10.19515/j.cnki.1003-1545.2011.06.005
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Effects of Bi-lamellar Microstructure on the Properties of Titanium Alloy

  • Luoyang Ship Material Research Institute, Luoyang 471023, China

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  • Received Date: August 25, 2011
  • Available Online: March 28, 2024
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    • Abstract
  • A new type of microstructure,named bi-lamellar microstructure of titanium alloy comes out of precipitated small secondary α needles in the β matrix through modification heat treatment.A comparison of microstructure and property of titanium alloy between equaixed,bi-model and lamellar microstructure is made.The results manifest that bi-lamellar microstructure improves the fracture toughness and fatigue crack propagation behavior of TA15 alloys remarkably,increases the length of fatigue crack propagation and brings about large secondary cracks.
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