Results 11 to 20 of about 13,652 (231)

Corrosion Behavior of X100 Pipeline Steel and Its Heat-Affected Zones in Simulated acidic Soil Solution

open access: yesInternational Journal of Electrochemical Science, 2020
Different thermal cycle times, peak temperatures, and cooling rates were used in a Gleeble thermomechanical processing machine to simulate the coarse-grained heat-affected zones (CGHAZ) and inter-critically reheated coarse-grained heat-affected zones ...
Yong Yang   +3 more
doaj   +1 more source

Corrosion behavior of X100 pipeline steel and its heat-affected zones in simulated Korla soil solution under alternating current interference

open access: yes工程科学学报, 2020
In recent years, many accidents caused by alternating current (AC) corrosion have been reported. AC corrosion has become a serious potential damage to buried steel pipelines.
Yong YANG   +3 more
doaj   +1 more source

Effect of Ce Content on Microstructure and Corrosion Resistance of X100 Pipeline Steel [PDF]

open access: yesCailiao Baohu, 2023
For studying the effect of rare earth element Ce on the microstructure and corrosion resistance of X100 pipeline steel, the four kinds of experimental steels with different Ce contents (mass fractions of Ce were 0,0.001 7%,0.002 8%, and 0.004 9 ...
LIU Peng, YANG Ji-chun, LI An-xin, LIU Xiang-jun, YANG Chang-qiao, GONG Lei
doaj   +1 more source

Analgesic Effects of Repetitive Transcranial Magnetic Stimulation at Different Stimulus Parameters for Neuropathic Pain: A Randomized Study

open access: yesNeuromodulation: Technology at the Neural Interface, EarlyView., 2021
Abstract Objectives The aim of the present study was to investigate the analgesic effects of repetitive transcranial magnetic stimulation over the primary motor cortex (M1‐rTMS) using different stimulation parameters to explore the optimal stimulus condition for treating neuropathic pain.
Nobuhiko Mori   +5 more
wiley   +1 more source

Low temperature tensile properties of line pipe steels [PDF]

open access: yes, 2015
Given the expected increase in Arctic oil and gas exploitation, there is a demand for high-strength line pipe steels able to cope with the Arctic climate. The state-of-the-art of the tensile properties of API 5L steels at low temperatures is reviewed and
De Waele, Wim   +2 more
core   +2 more sources

High pH-SCC mechanism investigation of novel Nb/Ce-additional X100 pipeline steel

open access: yesJournal of Materials Research and Technology, 2023
High pH-SCC introduces great risks to the service safety of X100 pipeline steel. The design of new Nb and RE composite regulated pipeline steel can help to reduce the high pH-SCC. By the addition of Nb and Ce elements into traditional pipeline steel, the
Xiaojia Yang   +4 more
doaj   +1 more source

Comparative study of evolution of residual stress state by local mechanical tensioning and laser processing of ferritic and austenitic structural steel welds. [PDF]

open access: yes, 2015
Complex thermal stresses generated in welded structures are undesirable but inevitable in fusion welding. The presence of residual stresses can be detrimental to the integrity of a welded joint.
Coules, Harry E.   +3 more
core   +1 more source

Understanding pit initiation of pipeline steel X100 under cathodic protection potential fluctuating with various duty cycles

open access: yesCorrosion Communications, 2023
The square wave polarisation technique and mathematical/electrochemical models were combined to investigate pitting corrosion of pipeline steel X100 under cathodic protection potential fluctuations with different duty cycles (δ).
Mingjie Dai   +5 more
doaj   +1 more source

Corrosion Behavior of X100 Pipeline Steel and Its Heat-Affected Zones in Simulated Alkaline Soil Solution

open access: yesInternational Journal of Electrochemical Science, 2019
The microstructure changes underwent by the heat-affected zones (HAZ) of a X100 pipeline steel and the corrosion behavior of these zones and the base steel were studied in a simulated alkaline soil solution.
Xinhua Wang   +4 more
doaj   +1 more source

Solidification Morphology Analysis of SLM of Cu Powder [PDF]

open access: yes, 2004
The solidification morphology analysis of fine Cu powder melted by a raster scanned energy beam from a focused Nd:YAG laser is presented here. The powder was processed inside of sealed chamber where it was subjected to a high vacuum cycle.
Bourell, David L., Ramos Grez, Jorge A.
core   +1 more source

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