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empirical erosion model

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Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006796
EISBN: 978-1-62708-295-2
... mechanism of LDI erosion under the influence of a liquid film and surface roughness and on the prediction of LDI erosion. The fundamentals of LDI and processes involved in initiation of erosion are also discussed. empirical erosion model liquid droplet impingement erosion liquid film prediction...
Series: ASM Handbook
Volume: 20
Publisher: ASM International
Published: 01 January 1997
DOI: 10.31399/asm.hb.v20.a0002474
EISBN: 978-1-62708-194-8
... model); tribosystem empirical coefficient (erosion model) δ Amplitude of vibration σ Peak contact pressure σ y Yield point in tension τ max Maximum shear stress τ y Yield point in shear C, k, K, K b , K d , m, n, γ R , Γ R Tribosystem empirical coefficients...
Book Chapter

By S.C. Lim
Series: ASM Handbook
Volume: 18
Publisher: ASM International
Published: 31 December 2017
DOI: 10.31399/asm.hb.v18.a0006396
EISBN: 978-1-62708-192-4
... Fig. 7 Wear-mechanism map for alumina proposed by Kong and Ashby. In this map, the parameter used for the vertical axis is the same normalized pressure as in Fig. 4 , while the normalized velocity has the same definition as the one in Fig. 4 . Adapted from Ref 24 Fig. 8 Empirical wear...
Series: ASM Handbook
Volume: 18
Publisher: ASM International
Published: 31 December 2017
DOI: 10.31399/asm.hb.v18.a0006378
EISBN: 978-1-62708-192-4
... a short test. Many authors in the literature have proposed mathematical formulations for the erosion-time curve (or portions of it). Some of these have been essentially empirical, and some have been based on proposed analytical models for the erosion process; however, none thus far has achieved general...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003568
EISBN: 978-1-62708-180-1
... ( Ref 47 , 54 , 65 , 66 ), and melting ( Ref 44 , 59 , 65 ). An even greater number of analytical models have been proposed, but none has been completely satisfactory. To show the general trends in modeling erosion, it is probably best to start with a generic, empirical formula for erosion ( Ref 5...
Series: ASM Handbook
Volume: 8
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.hb.v08.a0003284
EISBN: 978-1-62708-176-4
...-blast erosion rig. Erodent particles are accelerated in a gas stream along a cylindrical nozzle and strike a specimen fixed at the end of the nozzle. Source: Ref 11 Fig. 6 Empirical correlation between particle velocity and nozzle pressure drop, P ; mean particle diameter, d ; and particle...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006795
EISBN: 978-1-62708-295-2
... ( Ref 73 , 74 ), but none have been completely satisfactory, especially for multiple-particle impact. A generic, empirical formula for erosion ( Ref 5 , 35 , 36 ) is a good place to start to show the general trends in modeling erosion, proceeding later to more specific models: (Eq 1) E = K 0...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003558
EISBN: 978-1-62708-180-1
.... (a) Erosion damage on a butterfly valve component. (b) Fretting damage on a friction band. (c) Sliding wear on a cam follower The types of activities generally required for the resolutions of wear problems are: Examining and characterizing the tribosystem Characterizing and modeling the wear...
Series: ASM Handbook
Volume: 18
Publisher: ASM International
Published: 31 December 2017
DOI: 10.31399/asm.hb.v18.a0006428
EISBN: 978-1-62708-192-4
... of materials systems Wear damage mode Wear damage model Comments Reference Solid particle erosion Semi-empirical model that factors in flux of particles as it travels in a fluid medium and erodes base material Used in the O&G community 33 Solid particle erosion Physics based model...
Series: ASM Handbook
Volume: 22A
Publisher: ASM International
Published: 01 December 2009
DOI: 10.31399/asm.hb.v22a.a0005420
EISBN: 978-1-62708-196-2
... Modeling Hot-Tearing Criteria Microsegregation Modeling Model Validation Case Study—Billet Casting Speed Optimization Conclusions Other Defects Mold-Wall Cracks Mold-Wall Erosion Shrinkage Cavities, Gas Porosity, and Casting Shape Segregation Inclusions Formation...
Series: ASM Handbook
Volume: 18
Publisher: ASM International
Published: 31 December 2017
DOI: 10.31399/asm.hb.v18.a0006433
EISBN: 978-1-62708-192-4
... of polymer matrix composites (PMCs), metal matrix composites (MMCs), ceramic matrix composites (CMCs), and erosion-resistant coatings. The combination of parameters included in most erosion models is also summarized. References References 1. Wood R.J.K. , Erosion–Corrosion Interactions...
Series: ASM Handbook
Volume: 18
Publisher: ASM International
Published: 31 December 2017
DOI: 10.31399/asm.hb.v18.a0006372
EISBN: 978-1-62708-192-4
... , 1983 , p 217 – 235 10.1016/0043-1648(83)90265-X 66. Hutchings I.M. , A Model for the Erosion of Metals by Spherical Particles at Normal Incidence , Wear , Vol 70 , 1981 , p 269 – 281 10.1016/0043-1648(81)90347-1 67. Sundararajan G. , An Empirical Relation...
Series: ASM Handbook
Volume: 18
Publisher: ASM International
Published: 31 December 2017
DOI: 10.31399/asm.hb.v18.a0006384
EISBN: 978-1-62708-192-4
..., L and θ, have been determined from a best-fit procedure. Fig. 19 Influence of the elasticity of the wall on the impact pressure of a high-speed liquid jet Fig. 20 Typical finite-element modeling (FEM) computation of cavitation erosion damage on SS A2205 material. The cavitation...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003565
EISBN: 978-1-62708-180-1
... in the initial phase of contact, while slipping is taking place between the specimen and the counterface. A relationship of the same form as that used in erosion studies to model wear mass, W ( Ref 44 ), which gives a declining wear rate, has also been used successfully to predict wear in percussive impact...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003570
EISBN: 978-1-62708-180-1
... of materials with similar structure ( Ref 5 ). Therefore, equipment builders have relied on empirical comparisons of erosion resistance, such as that compiled by Heymann (Fig. 13 in Ref 2 ) for all types of liquid impact. Fig. 12 Dependence of maximum erosion rate in cavitation erosion on the combined...
Series: ASM Handbook
Volume: 1A
Publisher: ASM International
Published: 31 August 2017
DOI: 10.31399/asm.hb.v01a.a0006340
EISBN: 978-1-62708-179-5
... Castings Microstructural Mapping Empirical Models for Prediction of Mechanical Properties Automotive Industry Energy Sector Heavy Industry Other DI Applications Fatigue Properties Chemical Composition Cooling Curves Microstructure Requirements Sand-Related Defects...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006793
EISBN: 978-1-62708-295-2
... 99 × 10 −6 Aluminum bronze 110 500 N 370 × 10 −6 Chrome plate 110 2000 N 1200 × 10 −6 Soft steel 110 500 Y 24 × 10 −6 Source: Ref 57 A relationship of the same form as that used in erosion studies to model wear mass, W ( Ref 56 ), which gives a declining wear...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0003979
EISBN: 978-1-62708-185-6
..., but quantitative information is rarely available. For the forging of complex parts, empirical guidelines may not be sufficient, and trial-and-error procedures may be time consuming and costly. A more systematic and well-proven method for developing preform shapes is physical modeling, using a soft material...
Series: ASM Handbook
Volume: 20
Publisher: ASM International
Published: 01 January 1997
DOI: 10.31399/asm.hb.v20.9781627081948
EISBN: 978-1-62708-194-8
Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003647
EISBN: 978-1-62708-182-5
... understood. Biofilm erosion is the continuous removal of single cells or small groups of cells from the biofilm and is driven by shear stress at the biofilm/fluid interface. An increase in shear stress increases erosion rate and decreases biofilm accumulation rate. Empirical observations indicate...