Impact toughness of friction stir processed low carbon steel used in shipbuilding

Sekban, Dursun Murat; Aktarer, Semih Mahmut; Xue, P.; Ma, Z.Y.; Pürçek, G.

doi:10.1016/j.msea.2016.06.063

Cited by 56 publications

(15 citation statements)

References 37 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Thus, this significant increase in the strength values of the steel cannot be fully attributed to the grain refinement. It was reported in an earlier study that Grade A steel that was processed by FSP and having 3 µm grain size showed lower tensile strength than the ECAP-processed sample of the present case [2,19]. It was stated that dynamic recrystallization occurred during the FSP due to the high temperature at the process region, and thus limited increase in the dislocation density occurred in the microstructure of the steel after FSP.…”

Section: Resultsmentioning

confidence: 60%

Processing of Grade a Low Carbon Steel by Equal Channel Angular Pressing

Demirtas¹

2020

Ömer Halisdemir Üniversitesi Mühendislik Bilimleri Dergisi

View full text Add to dashboard Cite

The present study aims to analyze the effect of equal channel angular pressing (ECAP) on the microstructural and mechanical properties as well as the impact energy of low carbon steel. Grade A steel was processed using ECAP. One pass of ECAP did not cause a considerable decrease in the grain size of the steel. It brought about two different microstructures on the flow and transverse planes of an ECAP billet, instead. The microstructure consists of elongated ferrite and perlite grains aligned in a direction having mainly 45° angle with the extrusion direction on the flow plane while nearly equiaxed grains were formed on the transverse plane. These differences between the microstructures of two different planes of the ECAP sample are attributed to the share planes that are operative during ECAP. ECAP increased the hardness and strength values of the steel significantly due to the increase in the dislocation density during the process. However, it decreased the elongation to failure considerably. It was found that the impact energy of the ECAP-processed sample is dependent on the notch position of the Charpy impact test sample.

show abstract

Section: Resultsmentioning

confidence: 60%

Processing of Grade a Low Carbon Steel by Equal Channel Angular Pressing

Demirtas¹

2020

Ömer Halisdemir Üniversitesi Mühendislik Bilimleri Dergisi

View full text Add to dashboard Cite

show abstract

“…There is a very rich possibility of employing the 'far-from-equilibrium' AFSD process to reach unexplored regions for bodycentered cubic elements and alloys. The body-centered cubic materials are well known for limited ductility; for many refractory elements, the ductile-brittle transition temperature is above the ambient temperature [86,87]. Two microstructural approaches that have been beneficial to enhance ductility are, (a) creating a very fine/ultrafine grained microstructure [88,89], and (b) creating a partially recrystallized microstructure [90].…”

Section: On the Microscopic Levelmentioning

confidence: 99%

Additive friction stir deposition: a deformation processing route to metal additive manufacturing

Mishra

2020

Materials Research Letters

134

View full text Add to dashboard Cite

As the forging counterpart of fusion-based additive processes, additive friction stir deposition offers a solid-state deformation processing route to metal additive manufacturing, in which every voxel of the feed material undergoes severe plastic deformation at elevated temperatures. In this perspective article, we outline its key advantages, e.g. rendering fully-dense material in the as-printed state with fine, equiaxed microstructures, identify its niche engineering uses, and point out future research needs in process physics and materials innovation. We argue that additive friction stir deposition will evolve into a major additive manufacturing solution for industries that require high load-bearing capacity with minimal post-processing. IMPACT STATEMENT This paper delineates additive friction stir deposition, which offers a solid-state deformation processing route to metal additive manufacturing and renders fully-dense material with fine, equiaxed microstructures in the as-printed state.

show abstract

“…Carbon steels, due to their good mechanical properties [ 1 ], as well as their possibility to be processed (welded [ 2 ], chipped [ 3 ], deformed [ 4 ]), are a suitable choice for use in the manufacture of machine parts [ 5 ], accessories of fall arrest systems (e.g., carabiners, hooks, and pythons) [ 6 , 7 ], vehicle bodies [ 8 ], shipbuilding [ 9 ], or in use in buildings, bridges, rails, pipes, [ 10 ] etc.…”

Section: Introductionmentioning

confidence: 99%

Immersion Behavior of Carbon Steel, Phosphate Carbon Steel and Phosphate and Painted Carbon Steel in Saltwater

2021

View full text Add to dashboard Cite

The carbon steel is used in many areas due to its good mechanical properties; however, its low corrosion resistance presents a very important problem, for example, when carbon steel carabiners are used in the petroleum industry or navy, the possibility of an accident is higher due to carabiner failure. This phenomenon could occur as a consequence of the corrosion process which negatively affects mechanical properties. This paper study the possibility to improve its corrosion resistance by depositing on its surface a phosphate layer and a paint layer, and also aims to analyze the immersion behavior in saltwater of carbon steel, phosphate carbon steel, and phosphate and painted carbon steel. According to this study, by coating the carbon steel with a phosphate or paint layer, a higher polarization resistance is obtained in saltwater. Moreover, by electrochemical impedance spectroscopy (EIS), it was observed that the corrosion rate decreases with the increase of the immersion time. Meanwhile scanning electron microscopy (SEM) and energy dispersive spectroscopy (EDS) revealed that the main compounds which formed on the sample’s surface were iron oxides or hydroxy-oxides, after immersion for a longer period. The overall results show that all types of deposited layers increase the corrosion resistance of C45 steel.

show abstract

Impact toughness of friction stir processed low carbon steel used in shipbuilding

Cited by 56 publications

References 37 publications

Processing of Grade a Low Carbon Steel by Equal Channel Angular Pressing

Processing of Grade a Low Carbon Steel by Equal Channel Angular Pressing

Additive friction stir deposition: a deformation processing route to metal additive manufacturing

Immersion Behavior of Carbon Steel, Phosphate Carbon Steel and Phosphate and Painted Carbon Steel in Saltwater

Contact Info

Product

Resources

About