@article{article53ae7dde,
title   = {Effect of pre-crack in the fracture properties of steel pipes used in oil type API 5L X70},
author = {Francisco, Julio Cesar de Souza and Moreno, Joao Roberto Sartori and Bose Filho, Waldek Wladimir and Ruchert, Cassius Olivio Figueiredo Terra},
year = {2016},
doi = {10.1007/s40430-015-0469-3},
journal   = {Journal of the Brazilian Society of Mechanical Sciences and Engineering}
}