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Creep limit load analyses for titanium pressure vessels at ambient temperature
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Nanjing Tech University,Nanjing Tech University,Nanjing Tech University,Nanjing Tech University,Nanjing Tech University

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TG146.2 3

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    Abstract:

    Creep limit loads for TA2 made pressure vessels have been carried out by finite element (FE) method based on the isochronous stress-strain curves of commercial pure titanium at ambient temperature. Take the cylindrical pressure vessels as example, results mainly shows that creep limit loads will firstly decrease quickly and then decrease slowly with the time increasing. The influence effect of the ratio K on creep limit load has been conducted in detail, which provides estimating solutions for ambient temperature creep limit load prediction. These solutions can reflect the effect of the time degradation of limit load, and also the allowable strain and K on the limit load. This research will provide some valuable references to the safety assessment of titanium made pressure equipment.

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[Li Jian, Zhou Changyu, Peng Jian, Chang Le, He Xiaohua. Creep limit load analyses for titanium pressure vessels at ambient temperature[J]. Rare Metal Materials and Engineering,2017,46(10):3011~3016.]
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History
  • Received:July 18,2015
  • Revised:August 28,2015
  • Adopted:October 15,2015
  • Online: December 01,2017
  • Published: