Erosion model on alumina ceramics: A retrospection, validation and refinement

被引：15

作者：

Gopi, K. R. ^{[1
]}

Nagarajan, R. ^{[1
]}

Rao, S. S. ^{[2
]}

Mandal, S. ^{[2
]}

机构：

[1] Indian Inst Technol, Dept Chem Engn, Madras 600036, Tamil Nadu, India

[2] Carborundum Universal Ltd, Div Ceram, Hosur 635126, India

来源：

WEAR | 2008年 / 264卷 / 3-4期

关键词：

brittle materials; erosion model; air-jet erosion; slurry erosion; elastic modulus;

D O I：

10.1016/j.wear.2007.03.002

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

Erosion due to coal particles has a detrimental effect on economy of power plants. Alumina ceramic-lined pipelines and cyclones are in common use for fluid-laden coal transportation and separation. Several brittle erosion models are available for air-jet and slurry jet erosion in literature. From these, the most-cited erosion models were identified. An orthogonal fractional-factorial experimental matrix which includes all possible variables that contribute to brittle erosion was designed, conducted and validated. This paper gives a comparison between the most-cited literature model and a model developed on the basics of our experimental data. In general, slurry erosion models obtained experimentally were found to have better agreement with literature models when compared to air-jet erosion models. The reason for deviation of experimentally derived models from literature models is systematically studied and rationalized. (c) 2007 Elsevier B.V. All rights reserved.

引用

页码：211 / 218

页数：8

共 18 条

[1] The erosion of four materials using seven erodents - towards an understanding [J].

Feng, Z ;

Ball, A .

WEAR, 1999, 233 :674-684

[2] SOME REFLECTIONS ON THE PAST AND FUTURE OF EROSION [J].

FINNIE, I .

WEAR, 1995, 186 (01) :1-10

[3] Wet erosion of liquid phase sintered alumina [J].

Galusek, D ;

Twigg, PC ;

Riley, FL .

WEAR, 1999, 233 :588-595

[4]

HUTCHINGS, 1992, TRIBOLOGY FRICTION W, P184

[5]

Hutchings I.M., 2000, SOLID PARTICLE WEAR, V8, P343

[6]

Kosel T.H., 1992, FRICTION LUBRICATION, VVolume 18, P199

[7] PARTICLE-SIZE DISTRIBUTION EFFECTS ON THE SOLID PARTICLE EROSION OF BRITTLE MATERIALS [J].

MARSHALL, DB ;

EVANS, AG ;

GULDEN, ME ;

ROUTBORT, JL ;

SCATTERGOOD, RO .

WEAR, 1981, 71 (03) :363-373

[8]

Marur PR, 1998, J TEST EVAL, V26, P539, DOI 10.1520/JTE12112J

[9] WEAR MODELS AND PREDICTIVE EQUATIONS - THEIR FORM AND CONTENT [J].

MENG, HC ;

LUDEMA, KC .

WEAR, 1995, 181 :443-457

[10] The impact angle dependence of erosion damage caused by solid particle impact [J].

Oka, YI ;

Ohnogi, H ;

Hosokawa, T ;

Matsumura, M .

WEAR, 1997, 203 :573-579

← 1 2 →