Other researchers have also extensively investigated the particle velocity effect on the solid particle erosion behavior of materials 32,3648. Solid particle impingement erosion of uncoated composite materials of quartzpolyimide, glassepoxy and quartzpolybutadiene constructions and of three. Solid particle erosion tests were carried out to study the effect of matrix materials, reinforcement fibers, interface strength between matrix material and fibers, im pact angle, and particle. Solid particle erosion of thermal sprayed coatings. Unlike the solid particle erosion mechanism for ductile materials, there is wide acceptance of the erosion mechanism for brittle material. Solid particle erosion on different metallic materials. An analysis of solid particle erosion mechanisms iopscience. The success of these alloys in such applications is due to the combination of the hard, wear resistant carbide phase with the ductile binder, which provides the toughness. Time dependence of solidparticle impingement erosion of. Solid particle erosion occurrence, prediction and control ilmar. Note that from the first issue of 2016, mdpi journals use article numbers instead of page numbers. Pdf to suggest a material in any applications it need many number of. The solid particle erosion spe test system involves repeated impacts of the erodent particles driven by pressurized air striking the surface of.
These results indicate that the cralnxcraln multilayer coating has the excellent solid particle erosion resistance. Indentation analysis of subsurface deformation in ductile. Pdf studying the parameters of the solid particle erosion and. For a range of particle sizes from 10 nm to 100 microns and particle volume fractions from 0. Solid particle erosion behavior of volcanic ashpvc. Erosion is a wear process, in which surface damage is caused by the repeated application of high localised stresses. This figure shows the average erosion rate per impacted particle on the curved wall for each inlet velocity and particle diameter conditions. Solid particle erosionwear behavior under different working conditions was simulated by fem. Oct 14, 2014 this paper addresses erosion prediction in 3d, 90 elbow for twophase solid and liquid turbulent flow with low volume fraction of copper. Solid particle erosion spe is the loss of material that results from.
Investigation of micro and nanosized particle erosion in. Erosion corrosion of materials in elevatedtemperature service ch. Many conservation practices can be implemented to control wind erosion. Distribution of the aluminum oxide particles api x120. Optimum coating thickness for the protection of zinc sulphide and germanium substrates from solid particle erosion g. The solid particle erosion resistant surface treated coating has a nitrided hard layer. Pdf solid particle erosion and viscoelastic properties. Erosion by solid particle impact is a problem of great practical significance which can result in component failures in, for example, turbines and energy conversion systems. The abrasive particle used was silicon carbide sic of an. The average roughness ra in each specimen before testing was 1 m. Pdf evaluation of solid particle erosion equations and.
The erosion of ductile metals by solid particle impact. Solid particle erosion and erosioncorrosion of materials. Read effects of fibre content and relative fibreorientation on the solid particle erosion of gfpp composites, wear on deepdyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips. Ceramic materials eroded at an impingement angle of 90 exhibit a rough, chipped surface. Evaluation of solid particle erosion equations and models. Pdf solid particle erosion of fiber reinforced plastics.
Rain and solid particle erosion damage mechanisms and materials evaluations dr. Evaluation of solid particle erosion equations and models for oil and gas industry applications h. In this particular case, the eroded surface was completely covered with the erosion debris in the form of flakes or platelets. Microstructural spacing, which is a measure of the mean free path between both the grain boundaries and the carbides, was found to describe all of the erosion data. Materials free fulltext artificial neural network and. Occurrence, prediction and control collects together the. Modeling solidparticle erosion of ductile alloys semantic.
Modeling and simulation of solid particle erosion of protective films. Numerical investigation on the solid particle erosion in. Effects of mechanical properties of metals on erosion ch. The az and cz were sprayed with the plasma technik pt2000 system, table 1. It has been suggested that in brittle material, erosion is due to crack formation srinivasan and scattergood, 1988, sundararajan, 1991, kleis and kulu, 2008. Solid particle erosion how is solid particle erosion. Distribution of the erosion rate per impacted particle can further demonstrate the particle erosion picture on bend walls. Solid particle erosion is a mechanical process in which material is removed by impingement of solid particles that are transported within a carrier fluid.
Solid particle erosion occurrence, prediction and control. Solid particle erosion in a steam turbine is minimized by diverting through holes in appendages of outer rings of the diaphragms, a portion of the steam from the steam flow path thereby bypassing downstream rotating components. The detailed pressure fields in this early time history of impact have been calculated by one of us lesser 1981 for both two. Modeling and numerical analysis of the solid particle erosion. This test method may be used in the laboratory to measure the solid particle erosion of different materials and has been used as a screening test for ranking solid particle erosion rates of. We find that erosion in normal impact of ductile metallic materials is meltdriven, and establish a mechanistic framework to predict the erosion velocity. Solid particle erosion on different metallic materials intechopen. The erosion resistance of the three materials at di. Abstract the goal of this work is to provide an evaluation of the uncertainties in the calculation and measurement of erosion caused by solid particles that are entrained in the produced fluids in the oil and gas industry. Figure 2a shows erosion rates of samples as a function of particle pressure at 30, 60 and 90 impingement angles. Micronano multilayer structure design and solid particle. Studies of erosive wear by solid particle impingement involve the. Erosion and erosion corrosion of steels at elevated temperatures ch. Article information, pdf download for solid particle erosion of composite.
This test method may be used in the laboratory to measure the solid particle erosion of different materials and has been used as a screening test for ranking solid particle erosion rates of materials in simulated service environments 1,2. Apr 01, 2002 a study of solid particle erosion of metallic targets a study of solid particle erosion of metallic targets molinari, j. 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 testing of helicopter rotor blade. The model incorporates the mechanical properties of the alloys at the deformation conditions associated with solidparticle erosion processes i. Wiederhorn a11ttbddb nationalmeasurementlaboratory centerformaterialsscience nationalbureauofstandards january 1979 interimreport4c 100,u56 781575 c. Chemical composition of target steel api x120 and impinging solid particles. In this chapter, evolution of thermal sprayed coating, erosion testin. A model for solid particle erosion behavior of ductile alloys is presented. Coban kocaeli universit,y school of civil viation,a 41285 izmit, urktey in this study an attempt has been made to evaluate the solid particle erosion behavior of pvc based composites with ariousv volcanic ash av concentrations 5, 10, 15, 20 and 25 wt. Us7296964b2 apparatus and methods for minimizing solid. Also, a rotating machine can have this coating applied thereto. Standard test method for conducting erosion tests by solid.
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. Modeling and numerical analysis of the solid particle. A study of solidparticle erosion of metallic targets. Occurrence, prediction and control collects together the work of more than industriallysupported research projects conducted over 50 years on erosion at the tallinn technical university, estonia now the tallinn university of technology, much of which is previously. A study of solidparticle erosion of metallic targets a study of solidparticle erosion of metallic targets molinari, j. Enhanced solid particle erosion properties of thermoplastic. The minimum erosion rate was achieved for cralnxcraln coatings under the condition of 1. The model incorporates the mechanical properties of the alloys at the deformation conditions associated with solid particle erosion processes i.
Solid particle erosion behavior of volcanic ashpvc composites o. Time dependence of solidparticle impingement erosion of an. Solid particle erosion test at high temperature nova swiss. Solid particle erosion is an important material degradation mechanism. Although various methods of coating are tried and used for protection against erosion, thermal sprayed coating for such purpose is the most widely used method. Solid particle erosion on different metallic materials 65 ground using sic emery paper grade 1200. Ramesh talreja among many useful properties of elastomers, one is their ability to absorb energy by deforming to large strains without fracturing. Effects of erodent particle characteristics on the erosion of steel ch.
The wear resistance of several thermoplastic polyurethanes tpus having different chemical nature and micronscale arrangement of the hard and soft segments has been investigated by means of erosion and abrasion tests. However, only little is known of the mechanism of the erosion of the alloy and the. In this particular case, the eroded surface was completely covered with the erosion debris in the form of flakes. In some cases solid particle erosion is a useful phenomenon, as in sandblasting and highspeed abrasive water jet cutting, but it is a serious problem in many engineering systems, including steam and jet turbines, pipelines and valves carrying particulate matter.
Field physics and chemistry of solids, cavendish laboratory, madingley road, cambridge, england communicated by d. Erosioncorrosion of materials in elevatedtemperature service ch. A threedimensional finite element model of erosionwear of solid particle was established, and johnsoncook material model and failure criterion were adopted to define the mechanical property of sample material. Investigation of micro and nanosized particle erosion in a. It is shown that this successfully simulates a class of impact occurring during the erosion of met. Coatings free fulltext erosion behavior of api x120 steel.
Astm g standard test method for conducting erosion tests by solid particle. In the industry of oil and gas, erosion triggered by solid particle is commonly seen in pipe system and it is regarded as a severe problem. Based on the airflow and particle flow modeling and prediction, statistic results of particlewall impact and erosion status are given in figure 1. Pdf study of solid particle erosion on helicopter rotor. In the oil and gas industry, erosion occurs in the process of producing oil and gas from wells, when sand is contained in the produced fluids.
Effects of particle size and size distribution on estimating erosion wear of cast iron in sandwater slurries t. The at3 parts were produced by water stabilized plasma, using a wsp pal 160 system institute of plasma physics czech republic. Occurrence, prediction and control collects together the work of more than industriallysupported research projects conducted over 50 years on erosion at the tallinn technical university, estonia now the tallinn university of technology, much of. Modeling and simulation of solid particle erosion of. The contribution of the cavendish laboratory to the understanding of solid particle erosion mechanisms s. Solid particle erosion and erosioncorrosion of materials levy, alan on. Occurrence, prediction and control collects together the work of more than industriallysupported research. Solid particle erosion water droplet erosion slurry erosion loss of a material exposed to a. Evaluation of solid particle erosion equations and models for. Nbs publications nbsir781575 erosionbysolidparticle impact a. When a particle hits a brittle surface, it creates lateral and radial cracks.
Detailed erosion magnitude and locations can be interpreted. Solid particle erosion1 friction, lubrication, and wear. The samples had a rectangular shape with dimensions of 50 x 25 mm2 and 3 mm in thickness. Blade surface roughness by erosion steam turbine 9.
A study of solidparticle erosion of metallic targets deepdyve. Testing on ferrous and nonferrous materials has been widely carried out to study their erosion resistance. Conservation practices are designed to either reduce the wind force at the soil surface or create a soil surface more resistant to wind forces. Pdf solid particle erosion downstream of an orifice. The solid particle erosion testing apparatus used in this study is described in detail elsewhere 5.
Erosion definition the loss of material that results from repeated impacts of small, solid particles. The process of spherical particle impacting 45 steel from different. The hole through the first stage appendage lies in communication with a passage through a downstream outer ring of a following stage such that. Us7998581b2 solid particle erosion resistant surface. Particle depositions in bends mainly happen on the outer bend walls as shown in figure 1 and previous research results. Keywords solid particle erosion, polymer matrix composites, metal. Wiederhorn a11ttbddb nationalmeasurementlaboratory centerformaterialsscience nationalbureauofstandards january 1979.
May 07, 2019 solid particle impingement test astm g76. Solid particle erosion is the loss of material that results from repeated impacts of small, solid particles. The relationship between these parameters is shown in eq. Artificial neural network and response surface methodology based analysis on solid particle erosion behavior of polymer matrix. A model for solidparticle erosion behavior of ductile alloys is presented. Erosion and erosioncorrosion of steels at elevated temperatures ch. Fem analysis of solid particle erosionwear of 45 steel. Solid particle erosion of plasma sprayed ceramic coatings. A solid particle erosion resistant surface treated coating has a solid particle erosion resistance that is largely enhanced and a rotating member having the coating gains oxidation resistance without deteriorating a fatigue strength. Solid particle erosion behavior of volcanic ashpvc composites.
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