scholarly journals Influence of particle impact angle on formation of profile of single coating track during cold spraying

2018 ◽  
Author(s):  
S. V. Klinkov ◽  
V. F. Kosarev ◽  
N. S. Ryashin ◽  
V. S. Shikalov
Keyword(s):  
Cold Spraying ◽  
Impact Angle ◽  
Particle Impact ◽  
Single Coating

Study on Process of Particle Impact on Curved Surface of Vane by Finite Element Method

2010 ◽  
Vol 139-141 ◽  
pp. 1303-1307
Author(s):  
Xiao Jing Yang ◽  
Yi Lin Chi ◽  
Guan Zhang He
Keyword(s):  
Particle Size ◽  
Energy Exchange ◽  
Surface Deformation ◽  
Plastic Property ◽  
Impact Angle ◽  
Surface Shape ◽  
Curved Surface ◽  
Particle Impact ◽  
Size Of Particles ◽  
Distribution Of Stress

The process of particle impacting and contacting curved surface of vane was studied, and the characteristics of particle size, particle initial velocity and its impacting direction affect the stress of subsurface were analyzed by using ANSYS/LS-DANY software. It is shown that the interaction between particles and surface of vane is affected by nonlinear factors such as the elastic-plastic property of material, the state of impacting and contacting and surface shape. The increment in particle size increases the stress of the surface impacted and the sphere of action is also enlarged. The influence of the size of particles is remarkable. Particle impact velocity is related to energy exchange and has influences on stress value and the area of surface deformation. Due to impact angle is related to shape of curved vane, so the distribution of stress is changed and the value of the stress in surface layer is also influenced when particles impact curved surface of vane from different directions. The research will be helpful to disclose the mechanics of the wear on the condition of particle impact.

The impact angle dependence of erosion damage caused by solid particle impact

Wear ◽  
1997 ◽  
Vol 203-204 ◽  
pp. 573-579 ◽  
Author(s):  
Y.I. Oka ◽  
H. Ohnogi ◽  
T. Hosokawa ◽  
M. Matsumura
Keyword(s):  
Solid Particle ◽  
Impact Angle ◽  
Particle Impact ◽  
Erosion Damage ◽  
Angle Dependence ◽  
The Impact

scholarly journals Impact Angle Dependence of Erosion by Solid Particle Impact for Metallic Materials

1999 ◽  
Vol 48 (6) ◽  
pp. 355-361 ◽  
Author(s):  
Yoshinori Isomoto ◽  
Miyuki Nishimura ◽  
Kazuo Nagahashi ◽  
Masanobu Matsumura
Keyword(s):  
Solid Particle ◽  
Impact Angle ◽  
Particle Impact ◽  
Metallic Materials ◽  
Angle Dependence

Effect of Particle Impact Angle on Strength Degradation of Glass

1979 ◽  
Vol 62 (11-12) ◽  
pp. 639-640 ◽  
Author(s):  
S. M. WIEDERHORN ◽  
B. R. LAWN ◽  
B. J. HOCKEY
Keyword(s):  
Impact Angle ◽  
Strength Degradation ◽  
Particle Impact

scholarly journals SLURRY EROSION BEHAVIORS OF COPPER ALLOY BARREL OF MEASURE-MENT WHILE DRILLING

2021 ◽  
Vol 27 (1) ◽  
pp. 36-42
Author(s):  
Kang Jin Huang ◽  
Kun Xia Wei ◽  
Ke Zhang ◽  
Wei Wei ◽  
Qing Bo Du ◽  
...  
Keyword(s):  
Surface Damage ◽  
Impact Angle ◽  
Particle Impact ◽  
Slurry Erosion ◽  
Erosion Depth ◽  
Particle Properties ◽  
Measurement While Drilling ◽  
Computational Fluid Dynamics Cfd ◽  
Erosion Mechanisms ◽  
Surface Morphologies

Measurement while drilling (MWD) has been widely used in petroleum drilling engineering because it can realize borehole trajectory monitoring and improve the drilling speed. However, the slurry erosion will deteriorate and shorten the life of MWD. A user-defined function (UDF) code was developed to calculate the particle properties (particle impact velocity, particle impact angle and particle impact number) and erosion depth to understand the erosion process. The results show that the Realizable κ-ε model can accurately predict the erosion profile and the erosion depth is consistent with the experiment results. Furthermore, high pressure will aggravate surface damage and expand the area of slurry erosion. It has been demonstrated that computational fluid dynamics (CFD) and experimental approach can be used to identify and explain the erosion mechanisms in different regions where the surface morphologies reveal four erosion patterns, namely, micro-cutting, cracks, pits and plastic deformation.

scholarly journals Study on particle impact angle in powder jet machining (Dental treatment by hydroxyapatite film coating)

2017 ◽  
Vol 83 (856) ◽  
pp. 17-00169-17-00169
Author(s):  
Akihiko TOMIE ◽  
Chieko KUJI ◽  
Ryo AKATSUKA ◽  
Keiichi SASAKI ◽  
Keita SHIMADA ◽  
...  
Keyword(s):  
Dental Treatment ◽  
Film Coating ◽  
Impact Angle ◽  
Particle Impact

The Effect of Solid Particle Erosion on the Mechanical Properties and Fatigue Life of Fiber-Reinforced Composites

2006 ◽  
Author(s):  
N. H. Yang ◽  
H. Nayeb-Hashemi
Keyword(s):  
Tensile Strength ◽  
Fatigue Life ◽  
Solid Particle ◽  
Impact Angle ◽  
Fatigue Properties ◽  
Particle Impact ◽  
Solid Particle Erosion ◽  
Particle Erosion ◽  
Erosion Damage ◽  
Impact Angles

The effect of solid particle erosion on the strength and fatigue properties of E-glass/epoxy composite was investigated. Solid particle erosion with SiC particles of 400 μm to 500 μm in diameter was simulated on 12 ply [45°/-45°/0°/45°/-45°/0°]s E-glass/epoxy composites with a constant particle velocity of 42.5 m/s and solid particle to air volume ratio of 6 kg/m3 at impact angles of 90°, 60°, and 30° for 30, 60, 90 and 120 seconds. Damaged and undamaged specimens were subjected to tensile tests while monitoring their acoustic emission (AE) activity. An erosion damage parameter was defined as a function of the particle impact angle and erosion duration to determine the residual tensile strength of the composite. Scanning electron microscope (SEM) images of the erosion damaged specimens revealed the same damage mechanism occurred at different impact angles. The AE stress delay parameter was used to predict the residual tensile strength of erosion damaged composites. Tension-tension fatigue tests were performed on virgin specimens and specimens exposed to erosion damage of 60 seconds and 90 seconds at 90° particle impact angle to observe the effects of erosion damage on the fatigue life. A modified Basquin's equation was defined to predict the fatigue life of the erosion damaged specimens.

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