S135 high-strength drill pipe steel under tension-torsion loading

HIGHLIGHTS

• who: Xue et al. from the School of Materials Science and Engineering, Xi'an Shiyou University, Xi'an, China have published the article: S135 High-Strength Drill Pipe Steel under Tension-Torsion Loading, in the Journal: Coatings
• what: The model proposed in this paper could be used to predict the fatigue life of drill pipe steel.
• how: All the experiments were carried out in the air. The fatigue life under the condition of τ a / S a=0.7 is predicted by Equation and the comparison with the experimental results is shown in Figure . . .
  

   

  

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