Metallography of Steels: Interpretation of Structure and the Effects of Processing
Chapter 4: Metallographic Technique: Macrography
This chapter discusses the practices and procedures used to reveal and record macrostructural features such as hardening depth, weld thickness, crack size, porosity, hot folds, and machining and tooling marks. It provides information on sectioning, sample location, orientation, surface grinding, and etching. It describes macrographic etchants and the features they reveal along with common etching problems and how to avoid them. It explains how to evaluate etching results and how they can be improved using remedial processes such as light grinding. It also discusses photographic reproduction, lighting, and image enhancement techniques.
2018. "Metallographic Technique: Macrography", Metallography of Steels: Interpretation of Structure and the Effects of Processing, Hubertus Colpaert, André Luiz V. da Costa e Silva
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