Fatigue characteristics of granular materials

被引：22

作者：

Goder, D

Kalman, H

Ullmann, A

机构：

[1] Ben Gurion Univ Negev, Dept Mech Engn, Lab Conveying & Handling Particulate Solids, IL-84105 Beer Sheva, Israel

[2] Tel Aviv Univ, Fac Engn, Dept Fluid Mech & Heat Transfer, IL-69978 Tel Aviv, Israel

来源：

POWDER TECHNOLOGY | 2002年 / 122卷 / 01期

关键词：

fatigue; attrition; comminution; characterizing bulk materials;

D O I：

10.1016/S0032-5910(01)00390-4

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

Comminution and attrition are processes in which particles become broken or damaged. It occurs when a load higher than the particle strength is statically or dynamically applied. Breakage could also occur with lower loads that are applied repeatedly, a phenomenon that is known as fatigue. Fatigue is the real cause for the breakage of particles in many industrial systems such as grinding or transporting in pneumatic conveying pipelines. In this paper, experimental results of the fatigue behavior of an assembly of particles of several materials are analyzed. Fatigue curves of constant damage are presented for compression stress with the number of cycles. (C) 2002 Elsevier Science B.V. All rights reserved.

引用

页码：19 / 25

页数：7

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