( [ s h ulp h q wd o ,q y h v wlj d wlr q r q * u 6 wh h o ir u 0 d ulq h 9 h v v h ov 7 uh d wh g e \ 8 owud v r q lf experimental investigation on gcr15 steel for marine v v lv wh g ( t x d o k d q q h oAN EXPERIMENTAL INVESTIGATION OF SHIP HULLThis paper summarises results of an experimental investigation to determine the ultimate strength of ship hull girders.The 2-year experimental investigation was conducted at the University of California experimental facility.In the first phase a stiffened steel hull model of approximate dimensions 42 ft x 8 ft x 30 inches was tested.
(2019).Experimental investigation on solidification of GCr15 bearing steel by the simulated continuous casting.Ironmaking Steelmaking Vol.46,Continuous Casting,pp.801-808.Author Xiaofei Wang,Yongchang YuPublish Year 2019Effects of groove-textured surface combined with SnAgCu Aug 01,2020 experimental investigation on gcr15 steel for marine#0183;Abstract.Taking GCr15 steel as the research object,the groove-textured surfaces (GTSs) and the composite antifriction surfaces (CASs) with the grooves and SnAgCu were prepared.Experimental researches on the tribological performance,friction-induced vibration and noise of SS (smooth surface),GTSs and CASs were conducted.
Wang,X.and Yu,Y.,2018.Experimental investigation on GCr15 Steel for marine vessels treated by ultrasonic assisted equal channel angular extrusion.In Liu,Z.L.and Mi,C.(eds.),Advances in Sustainable Port and Ocean Engineering.Journal of Coastal Research,Special Issue No.83,pp.548551.Coconut Creek (Florida),ISSN 0749-0208.ECAE deformation refines grain via large shear Corrosion Behavior and Mechanical Property Degradation of Sep 09,2019 experimental investigation on gcr15 steel for marine#0183;Abstract.This paper presents an experimental investigation into the corrosion behaviors and mechanical properties of weathering steel (WS) in a marine atmosphere.Two types of WS (Q420qNH and Q420qNHY) were tested,and carbon steel (Q420q) was chosen as contrast.First,as a simulated marine atmosphere environment,the neutral salt-spray accelerated corrosion test was
The present investigation extensively compares the pitting corrosion behavior and mechanical stability of 316L and 304 stainless steels (SS) exposed to an Industrial-Marine-Urban (IMU) environment for 3 years from April 2012March 2015.The surface morphology of the stainless steels exposed toEXPERIMENTAL INVESTIGATION OF ON-DECK ICINGMarine icing is a complex phenomenon and understanding its growth process is important to to further examine water sheet splash are the motivation of experimental investigation performed in two separate lab scale test models.The setup preparation,measurement circular Stainless steel tube.18 Figure 3.7 CAD drawing of customized
This paper presents an investigation into the flexural behaviour of basalt FRP reinforced concrete beams through experimental and analytical methods.To achieve the research objectives,four concrete beams reinforced with steel and four identical concrete beams reinforced with BFRP bars were tested under four-point bending.Experimental Investigation of Fracture Toughness K_c for By use of four point bend specimen (FPB),the mode fracture toughness K_(c) of bearing steel GCr15 was measured in different heat treating regimes.Experimental results show that the K_(c) values change in range 1735 MPam,the crack propagation initiation angle in 5562 experimental investigation on gcr15 steel for marine#176;,the ratios of K_(c)/K_(c) in 1.11.6.
Dec 22,2004 experimental investigation on gcr15 steel for marine#0183;Experimental Investigation of the Turbulent Boundary Layer of Surfaces Coated With Marine Antifoulings M.Candries,M.Candries water tunnels by means of two-component laser Doppler velocimetry and were compared with measurements of a smooth steel reference surface and a surface covered with sand grit.Both coatings exhibited an increase in Experimental Investigation of(+)Mixed Mode FractureBy use of compact tension shear specimen(CTS),the mixed mode(+)fracture testfor bearing steeI GCr15 was carried out.As experimental resuIts show,it accords with ellip-tical law hy biparaD:1eter Kc and Kc approximately,and the crack propagation initiation an-gle o relates to the shape of the plastic zone near crack tip.
The results show that With ultrasonic assisted ECAE process,ultrafine-grained material can be obtained,compared with the case without ultrasonic vibration extrusion,for GCr15 steel for marine vessels microstructure,average grain size of cementite is 10m; the sample underwent ECAE one-pass extrusion,with extrusion force at 11098 N,one-pass extrusion force of UV-ECAE was 10090 N,withExperimental Investigation on GCr15 Steel for Marine Wang,X.and Yu,Y.,2018.Experimental investigation on GCr15 Steel for marine vessels treated by ultrasonic assisted equal channel angular extrusion.
The conclusions have provided experimental basis for enhancing the surface integrity of quenched GCr15 steel precision parts.Discover the world's research 20+ million membersExperimental Study on Oscillating Heat Pipe With a In order to understand the heat transfer performance,startup,and fluid flow conditions of oscillating heat pipes (OHPs) with a hydraulic diameter far exceeding the maximum hydraulic diameter (MHD) defined by d h,max 2 B o / ( l v) g ,an experimental investigation on the OHP heat transfer performance and visualization was conducted.The effects of heat input,working fluid
Reinforced concrete structures,especially those in marine environments,are commonly subjected to high concentrations of chlorides,which eventually leads to corrosion of the embedded reinforcing steel.The total time to corrosion of such structures may be divided into three stages corrosion initiation,cracking,and damage periods.This paper evaluates,both empirically and experimentally Experimental and Numerical Analysis of Hull Girder For the investigation of wave loads considering hull girder vibration and bow slamming of a large ship,a segmented self-propelling ship model with a steel backbone system [9,10] was adopted first.Then,experimental results of head waves in different sea states and
ABSTRACT An experimental apparatus for simulation of continuous casting process of GCr15 bearing steel billet is established.With the apparatus,the billets of diameter 140 mm are casted in various superheats and cooling conditions.The solidification macrostructure,dendrite morphology,segregation and carbide are investigated.It is shown that melting superheats and cooling conditions Experimental investigation on solidification of GCr15 Jul 19,2018 experimental investigation on gcr15 steel for marine#0183;An experimental apparatus for simulation of continuous casting process of GCr15 bearing steel billet is established.With the apparatus,the billets of diameter 140 mm are casted in various superheats and cooling conditions.The solidification macrostructure,dendrite morphology,segregation and carbide are investigated.
Jul 19,2018 experimental investigation on gcr15 steel for marine#0183;The effect of the electroslag remelting-continuous rapid solidification (ESR-CRS) process on element segregation and carbide precipitation in GCr15 bearing steel was investigated.Forecasting Corrosion of Steel in Concrete Introducing Corrosion initiates in reinforced concrete structures exposed to marine environments when the chloride ion concentration at the surface of an embedded steel reinforcing bar exceeds the chloride corrosion threshold (CT) value.The value of CT is generally assumed to have a conservative fixed value ranging from 0.2% to - 0.5 % of chloride ions by weight of cement.However,extensive experimental
PHBA,and FEP sliding against GCr15 steel and 316 steel under sea water lubrication was investigated and compared to that under the lubrication of pure water,and the corre-sponding wear mechanisms were also discussed,which,hopefully,was to provide some guidance to develop polymer materials suitable for sea water lubrication.2 Experimental DetailsIJMPERD - EXPERIMENTAL INVESTIGATION ON EFFECTEXPERIMENTAL INVESTIGATION ON EFFECT OF HEAT TREATMENT ON TRIBOLOGICAL PROPERTIES OF STAINLESS STEEL FOR MARINE AND OFFSHORE APPLICATIONS KIRAN LAKKAM 1,P S SHIVAKUMAR GOUDA 2,ANILKUMAR SHIRAHATTI 1,SHIRISH KERUR 1 1Department of Mechanical Engineering,Jain College of Engineering,Visvesvaraya Technological
The ceramic,steel-440C,steel-GCr15 and steel-304 is the most commonly used as bearing material.The inner and outer ring of some high-temperature bearings is steel,but the ball is ceramic.Therefore,we study the friction properties of several bearing materials with different temperature have practical significance.In this paper,toKinetic Analysis of the Austenite Grain Growth in GCr15 SteelMar 28,2009 experimental investigation on gcr15 steel for marine#0183;The growth behavior of austenite grains in GCr15 steel was investigated by the isothermal annealing tests on a Gleeble-3800 thermo-mechanical simulation machine.According to the experimental results,the effect of heating temperature and holding time on the growth behavior was discussed in details,and the following conclusions can be drawn (1)
In this paper,the microstructure evolution during continuous hot rolling process of GCr15 steel rod was investigated.A series of multi-field coupled finite element models were established based on commercial finite element software MSC.Marc.Post-fire mechanical properties of corroded grade D36 Dec 10,2020 experimental investigation on gcr15 steel for marine#0183;An experimental study on the post-fire mechanical properties of the corroded grade D36 marine steel is presented in this study.Variables including the corrosion duration and heat treatment temperature were considered.The post-fire mechanical properties were determined by
The characteristics of microstructural change of bearing steel (GCr15) were studied.It was found that the hardness of the material increased after the cyclic compressive load,and the inclusions interacted with the matrix material.In the local microregion a whiteRecent Marine Structures Articles - ElsevierCiteScore 4.9 CiteScore 2019 4.9 CiteScore measures the average citations received per peer-reviewed document published in this title.CiteScore values are based on citation counts in a range of four years (e.g.2016-2019) to peer-reviewed documents (articles,reviews,conference papers,data papers and book chapters) published in the same four calendar years,divided by the number of
bearing steel gcr15gcr15 steel equivalenthow to heat treat gcr1512345NextStudy on Surface Roughness of Gcr15 Machined by Micro Figure 8 is the 3D topography of GCr15 cut by parallel microgroove PCBN tools at different cutting speeds.Figure 8 shows that the workpiece surface was rougher at v 1 = 60 m/min,and the surface quality at v 3 = 85 m/min was better.Figure 9 is the surface roughness curve of GCr15 cut by parallel microgroove PCBN tools.It can be concluded that the surface roughness decreased with the
The experimental materials used in this investigation are red phosphorus (RP) (99.999%,Aladdin Reagent Factory), The upper samples were the steel ball (GCr15) with a diameter of 6 mm and a hardness of HRC 6166.The lower samples were the titanium alloy disc (Ti6Al4 V alloy) with a diameter of 25 mm and a thickness of 8 mm.