Solid particle erosion an overview sciencedirect topics. Wiederhorn a11ttbddb nationalmeasurementlaboratory centerformaterialsscience nationalbureauofstandards january 1979 interimreport4c 100,u56 781575 c. Erosioncorrosion in oil and gas production 25 total synergism factor 1. However, if the high erosion resistant particles are densely packed in a matrix material that causes the impacting particles to impinge on a greater percent of the hard particle, the erosion resistance increases dramatically figure 2. Erosion corrosion of carbon steels in a laboratory three. Erosioncorrosion of 30, 60, and 90 carbon steel elbows in. Important parameters for erosion solid dilute or dense. Solid particle erosioncorrosion is the wear caused by the combined action of the mechanical process of solid particle erosion and the electrochemical process of corrosion. The mechanism of erosion is very much dependent on the processes parameters involved. Erosion and erosioncorrosion of metals corrosion journal. There is an interaction between the solid particles, corrosive fluid, and the material for this corrosion to occur. Corrosionpedia what is a liquid impingement erosion test. Solid particle erosion and erosion corrosion of materials. In order to study the effects of particle properties on the solid particle erosion mechanisms of brittle bulk materials, six target materials were tested using two different powders alumina and.
The erosion of ductile metals by solid particle impact. This is most beneficial to service environments wherein solid areas are subjected to repetitive impacts by jets or liquid drops. This joint action leads to a synergistic interaction that enhances the wear rate of the material, causing severe problems to engineering components exposed to these aggressive conditions. Electrochemical behaviour of stainless steel 304 alloy in erosioncorrosion conditions and synergism effect. Solid particle erosion is a dynamic process which causes material removal from a.
In the solid particle erosion process of polymers and their composites. Effect of erodent properties on the solid particle erosion. In solid particle erosioncorrosion, an increase of impact velocity results in catastrophic damage and greater mass transfer and escalates the erosioncorrosion rate 12,14,15. The erosion of ductile metals by solid particle impact doctoral thesis. A survey of erosion and corrosion resistant materials being. Astm standard, g7695, standard practice for conducting erosion tests by solid particle impingement using gas jets, annual book of astm standards, vol. Solid particle erosion of plasma sprayed ceramic coatings. Erosion corrosion an overview sciencedirect topics. A survey of erosion and corrosion resistant materials. Chemical composition of target steel api x120 and impinging solid particles. The process reveals negative results such as wear of components, surface roughening, surface degradation, macroscopic scooping appearance, and reduction in functional life of the structure.
Erosion corrosion is a degradation of material surface due to mechanical action, often by impinging liquid, abrasion by a slurry, particles suspended in fast flowing liquid or gas, bubles or droplets, cavitation, etc. Standard test method for erosion of solid materials by. Concentration of erodent in carrier fluid low, very low level of particle particle. The effects of surface treatments on solid particle.
However, it could be adapted to evaluate erosioncorrosion effects if the appropriate liquid and cavitation number, for the service conditions of interest, are used. Erosion of materials and components caused by the impact of solid particles can be a lifelimiting phenomenon, explains lourens. Mechanistic modeling of erosioncorrosion for carbon steel. The paper presents actual knowledge about an influence of individual factors connected with flow conditions, particles and material properties on the slurry erosion resistance. Describes the various types of erosion caused by water, wind, and ice, and discusses how erosion can be controlled. Solid particle sand erosion testing was conducted by the university of dayton research institute to determine the erosion resistance of materials currently used on the leading edges of army aviation rotor blades of aircraft in southwest asia swa. Solid particle erosion and erosioncorrosion of materials alan v. The synergic effect of erosion and corrosion rate was observed for carbide and ceramic composites. Nacl erosioncorrosion of mild steel under submerged. This study has tested the erosioncorrosion behavior of mild carbon steel under conditions where there is no protective iron carbonate film.
Erosioncorrosion caused by flowing fluid withwithout solid particles is a form of tribocorrosion material removal mechanism as it damages both. Solid particle erosion is a dynamic process which causes material removal from a target surface due to impingement of fast moving solid particles. Erosioncorrosion in disturbed liquidparticle flow 81 pp. Solid particle sand erosion testing was conducted by the university of dayton research institute to determine the erosion resistance of materials currently used on the leading edges of army. However, the model failed to consider the effect of microstructures of the particles which may vary with the hardness for different materials, depending on the heat treatment. Solid particle erosion behaviour of tin coating on aisi 4140. The degradation of materials due to slurry erosion is the serious problem which occurs in the power industries. The erosioncorrosion model integrates the co 2 corrosion model spps. Droplet impingement erosion solid particle erosion chemical dissolution destruction of id protective oxide layer. The samples had a rectangular shape with dimensions of 50 x 25 mm2 and 3 mm in thickness. When evaluating the relative erosion resistance of materials, a number of factors must be considered. Erosioncorrosion resistance of engineering materials in.
Erosion phenomena often occur in conjunction with corrosion. Overview of solid particle erosion models for metals. Synergism of electrochemical and mechanical factors in. Erosioncorrosion assessment of materials for use in the resources industry.
Solid particle erosion behaviour of tin coating on aisi. Part i overview of mechanisms and models for erosion. The usual corrosive reagents are carbon dioxide, salt water and if present hydrogen sulfide1. Solid particle erosion and erosioncorrosion of materials by alan v. The loss of material from the surface of a metal being im pacted by small, solid particles carried in a flowing gas occurs by a sequence of mechanical actions. The abrasive particle used was silicon carbide sic of an. The role of particle properties in the erosion of brittle materials. As this form of corrosion affects critical equipment in aviation and other industries, preventive measures are needed at the design stage itself to minimize such deterioration. Introduction solid particle erosion in fluid flow is an important material degradation mechanism wear encountered in a. In simple terms, erosion corrosion is caused due to the relative movement between fluid particles and solid surfaces in a corrosive environment. Erosion corrosion is a synergetic effect that accelerates the corrosion attack in the surface of the metal due to the motion of the corrosive fluid. Solid particle erosion testing of helicopter rotor blade.
Levy, 220 seiten, asm international, materials park, ohio 1995. A procedure to predict solid particle erosion in elbows. Solid particle erosion and erosioncorrosion of materials. An influence of factors of flow condition, particle and. Nbs publications nbsir781575 erosionbysolidparticle impact a. Solid particle erosioncorrosion behaviour of a novel hvof nickel aluminium bronze coating for marine applicationscorrelation between mass loss and electrochemical measurements kim seah tan, julian a.
Particle velocityapplied potential maps for cu at ph 5 materials performance maps based wastage maps of fe, cu, ni, and al, showing where low. Solid particle erosion and erosion corrosion of materials by alan v. A liquid impingement erosion test is a technique for assessing the erosion resistance of certain materials. The effects of surface treatments on solid particle erosion.
Solid particle erosion is a concern in any erosive environment industry. Deng 12 studied the influence of solid particle concentration on the elbow erosion during pneumatic transmission, and the results showed that due to the shielding effect of particles, the erosion. Up to 15% of failures in oil and gas production are caused by erosion corrosion. Wear caused by solid particle erosioncorrosion has received signi. Experimental measurement of accelerated erosion in a slurry pot tester. Advisory board report for the erosioncorrosion research center, the. Coatings play an important role in minimizing surface. Erosioncorrosion is a relatively new branch of materials science with the first reference to erosioncorrosion as recorded in scopus being in a paper by venzcel et al. A procedure to predict solid particle erosion in elbows and tees s. Erosion corrosion mechanisms of stainless steel uns. Solid particle erosion on different metallic materials 65 ground using sic emery paper grade 1200. The solid particle erosion behavior of steel as a function of microstructure. Levy, 9780871705198, available at book depository with free delivery worldwide.
In this chapter, an overview is presented of models of solid particle erosion for metallic materials, metals and composites. The material degradation caused by erosioncorrosion in pipelines can result in a high cost of monitoring and maintenance and in major accidents. Srdjan nesic erosioncorrosion occurs in pipelines that transport both corrosive liquids and erosive solid particles. Proceedings of the 2nd european conference on advanced materials and processes, euromat 91, 1991722 to 1991724 20.
Dec 30, 2011 solid particle sand erosion testing was conducted by the university of dayton research institute to determine the erosion resistance of materials currently used on the leading edges of army aviation rotor blades of aircraft in southwest asia swa. Therefore, they have been protected by the surface treatments such as ion nitriding, boriding and chrome carbide high velocity. Mapping synergy of erosion mechanisms of tidal turbine. The presence of sand in production lines in the oil and gas industries causes material degradation due to erosioncorrosion. Solid particle erosion on different metallic materials.
Hutchings im 1991 abrasive and erosive wear of metalmatrix composites. Wiederhorn a11ttbddb nationalmeasurementlaboratory centerformaterialsscience nationalbureauofstandards january 1979. Pdf models and mechanisms of erosioncorrosion in metals. Ec model uses spps to predict the scale erosion rate in mils per year mpy with reference to the correlation that was developed between steel and scale erosion rate explained in fig. The increased turbulence caused by pitting on the internal surfaces of a tube can result in rapidly increasing erosion rates and eventually a leak. Measurement of erosion rate solid particle erosion resistance was characterized with volume erosion rate, which was defined as the volume loss of sample divided by the mass of erosion particles mm3g and expressed by equation 116,17 v m 1 m 2 r m 3. During flight a particle carries momentum and kinetic energy, which can be dissipated during impact, due to its interaction with a target surface. In this study, the surface treatment effects on the solid particle erosion spe characteristic of 12cr steels were examined in the temperature range of 540 to 620c and the mechanisms of surface damage are investigated. Solid particle erosion and erosion corrosion of materials levy, alan on.
Erosion corrosion is an acceleration in the rate of corrosion attack in metal due to the relative motion of a corrosive fluid and a metal surface. Erosion corrosion is a degradation of material surface due to mechanical action, often by impinging liquid, abrasion by a slurry, particles suspended in fast flowing liquid or gas, bubbles or droplets, cavitation, etc. Levy av 1995 solid particle erosion and erosioncorrosion of materials. A procedure to predict solid particle erosion in elbows and. It is typically a problem in industrial plants, where solid. Corrosion materials is a global leader in specialty nickel alloys.
Droplet impingement erosion solid particle erosion chemical dissolution destruction of id protective oxide layer cavitation process static pressure and more. Erosion corrosion in oil and gas production systems is predominately caused by particle impingement on tubing materials. Solid particle erosion and erosioncorrosion of materials levy, alan on. Ceramic materials eroded at an impingement angle of 90 exhibit a rough, chipped surface indicative of material removal by a fracture process fig. The average roughness ra in each specimen before testing was 1 m. Stanford libraries official online search tool for books, media, journals, databases, government documents and more. Numerical simulation of the flow and erosion behavior of. Solid particle erosion, spe, is a wear process where particles strike against surfaces and promote material loss. Materials free fulltext erosioncorrosion of 30, 60. Turbine bucket and nozzle materials are damaged by the solid particles within usc steam conditions. Properties of the impacting particles, target materials and environment have a major influence on the mechanism of erosion.
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