Effect of impact velocity on slurry erosion and a new design of a slurry erosion tester

Lin, Fuyan; Shao, Hesheng

doi:10.1016/0043-1648(91)90098-f

Cited by 45 publications

(23 citation statements)

References 8 publications

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“…The whirling arm test device was developed by Lin and Shao [61]. The slurry tank (25 l in capacity) contains a mixture of solid particles and water, which are mixed using a stirrer.…”

Section: Whirling Arm Test Devicementioning

confidence: 99%

Slurry Erosion – Design of Test Devices

Buszko

Krella

2017

Advances in Materials Science

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Degradation of material caused by impacts of a solid particle (erodent) suspended in a liquid is called slurry erosion and is a major problem in the hydropower and maritime industry. Slurry erosion depends on many factors, e.g. liquid and erodent velocity, size, shape, angle of impact, hardness and number of erodents, and strength of a target material. The various types of test devices have been designed to investigate an effect of mentioned parameters on material resistance. In the paper are described main types of the test apparatus showing their main advantages and disadvantages. Some results of slurry erosion resistance of few groups of materials are also presented.

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“…The whirling arm test device was developed by Lin and Shao [61]. The slurry tank (25 l in capacity) contains a mixture of solid particles and water, which are mixed using a stirrer.…”

Section: Whirling Arm Test Devicementioning

confidence: 99%

Slurry Erosion – Design of Test Devices

Buszko

Krella

2017

Advances in Materials Science

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“…In this equation, E is the erosion rate, K is the material constant (K depends on particle size and impact angle), V is the fluid velocity, and n is the velocity exponent. The value of n in the case of slurry erosion corrosion was reported to be around two [18]. Both the horizontal and vertical components of kinetic energy play a vital role during erosion corrosion of the materials.…”

Section: Surface Morphology Of Corroded Surfacesmentioning

confidence: 99%

“…Both the horizontal and vertical components of kinetic energy play a vital role during erosion corrosion of the materials. It is reported that vertical component of kinetic energy (KE) is responsible for the solid particle's penetration into the material, while horizontal component controls the ploughing during erosion corrosion experiments [18]. • , suggesting that horizontal component of KE was dominant at these angles.…”

Section: Surface Morphology Of Corroded Surfacesmentioning

confidence: 99%

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The Effect of Impingement Velocity and Angle Variation on the Erosion Corrosion Performance of API 5L-X65 Carbon Steel in a Flow Loop

Toor

Irshad

Badr

et al. 2018

Metals

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Erosion corrosion performance of API 5L-X65 carbon steel was investigated at three different impingement velocities (3, 6 & 12 m/s), five different angles (15, 30, 45, 60, & 90 • ), and with/without solid particles (average particle size of 314 µm). The experiments were conducted in 0.2 M NaCl solution at room temperature for a duration of 24 h and the results showed that the maximum erosion corrosion rate was observed at 45 • irrespective of the velocity. The highest erosion corrosion rate at 45 • was due to the balance between the shear and normal impact stress at this angle. Ploughing, deep craters, and micro-forging/plastic deformation were found to be the main erosion corrosion mechanisms. The maximum wear scar depth measured using optical profilometery was found to be 51 µm (average) at an impingement angle of 45 • .

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“…Based on the different applications, the researchers have invented different type of RESEARCH laboratory test rigs to identify the slurry erosion wear rate and material removal mechanism under the various operating conditions. They are, Miller Test Apparatus, Jet Impingement Tester [1], Falling Jet Test Apparatus [2], Jet-In-Slit Apparatus [3], Centrifugal Erosion Tester [4], Concentric Cylindrical Test Rig, Coriolis Erosion Tester [5] and Slurry Pot Tester [6]. Slurry erosion wear is a complicated phenomenon to identify the most significant parameter for erosion wear and how much its percentage.…”

Section: Introductionmentioning

confidence: 99%