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This chapter provides readers with worked solutions to more than 25 problems related to compositional impurities and structural defects. The problems deal with important issues and challenges such as the design of low-density steels, the causes and effects of distortion in different crystal structures, the ability to predict the movement of dislocations, the influence of impurities on defects, the relationship between gain size and material properties, the identification of specific types of defects, the selection of compatible metals for vacuum environments, and the effect of twinning planes on stacking sequences. The chapter also includes problems on how the formation of precipitates can produce slip planes and how grain boundaries can act as obstacles to dislocation motion.

This chapter presents a step-by-step approach for analyzing the causes of nonconforming workpieces and determining potential solutions. The discussion covers a wide range of issues, including testing errors, latent and process-related defects, examination and testing techniques, defect characterization, and effective remedial actions.