DOIONLINE 
DOIONLINE Publish In |
International Journal of Mechanical and Production Engineering (IJMPE)-IJMPE |
 Journal Home Volume Issue |
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Issue |
Volume-3, Issue-11 ( Nov, 2015 ) | |||||||||
Paper Title |
Effect Of Pre-Strain On The Tensional Function Of X65 Pipe Line Steel | |||||||||
Author Name |
Ilmi Ikhsan, Ahmad Taufik Yoenoes, Achmad A. Korda, Sony Soepriyanto | |||||||||
Affilition |
Graduate Student of Department of Metallurgical Engineering, ITB Department of Metallurgical Engineering, ITB | |||||||||
Pages |
22-25 | |||||||||
Abstract |
In many cases, pipelines are subjected to tensile pre-strain during its installation or service. In response to such pre-strained history, this presentstudy focus on the plastic flow stressbetween the yield andthe ultimate strength limit. Small scale tensile test experiment of API-5L-X65 pipeline steel was conducted. In general permanent set aspect due to pre-strain, it is shown that the plastic strain have linear function to its total pre-strain, and the remaining strain capacity and strain hardening capacity decrease with increasing of pre-strain. Meanwhile, in specific plasticity aspect due to pre-strain, it is shown that the plastic flow stress under pre-strain effect can be simplified bylinear equation. Keywords- Pre-Strain, True Stress–True Strain,X65 Pipeline Steel, Flow Stress. | |||||||||
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