Mechanics of Bulk Solids
Abstract
Powders are a unique form of materials, but they can manifest gaslike, solidlike, and liquidlike at different stress states. The mechanical behavior of powders is complicated and distinctive from that of gases, solids, and liquids. The most distinct aspect of powders is that they are frictional and their mechanical behavior is state-dependent and determined by particle–particle interactions. In this chapter, the most distinguishing characteristics of powders from liquids and solids are discussed. Firstly, the comparison of mechanical behavior of powders with that of liquid and solids is made. Secondly, friction of powders is discussed in detail together with the coulomb model. Thirdly, stress analysis ...
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