Principal Stresses


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Principal Stresses
Principal StressesThe loading on most components is usually neither unidirectional nor uniform. Thus the three-dimensional nature of the loading must be considered. The loads are expressed in terms of stress, which is the load at any point divided by an area of specified orientation relative to the direction of the force, with the area reduced to an infinitesimal size. Two types of stresses are commonly used: a normal stress [which can be positive (tension) or negative (compression)], based on an area normal to the direction of the force, and a shear stress, based on an area parallel to the force. The concept of normal and shear stresses is illustrated in Fig. 2.1…
Citation
Charlie R. Brooks; Ashok Choudhury: Failure Analysis of Engineering Materials. Principal Stresses, Chapter (McGraw-Hill Professional, 2002), AccessEngineering Export