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MATERIALS, FABRICATION, AND PRODUCT TECHNOLOGY SECTION III

81 3.2 Fundamentals of fabrication and product technology 3.2.1 Rawmaterials processing 3.2.2 Metals processing 3.2.2.1Primary metals 3.2.2.1.1Metal ingot production 3.2.2.1.2Wrought primary metals 3.2.2.2Castings 3.2.2.2.1Green sand molded 3.2.2.2.2Metal molded 3.2.2.2.3Investment molded 3.1 Fundamentals of material technology 3.1.1 Properties of materials 3.1.1.1Strength and elastic properties 3.1.1.2Physical properties 3.1.1.3 Material properties testing 3.1.2Origin of discontinuities and failure modes 3.1.2.1Inherent discontinuities 3.1.2.2 Process-induced discontinuities 3.1.2.3Service-induced discontinuities 3.1.2.4Failures in metallic materials 3.1.2.5 Failures in nonmetallic materials 3.1.3Statistical nature of detecting and characterizing discontinuities So fundamental isthis relationship that the book Materials and Processesfor NDT Technology was prepared and published in 1981 and revised in 2016. The questions here follow the chapters in this second, updated edition of the book. As a suggestion in the use of this section of the study guide, try to answer the questions about a particular chapter before proceeding to the next chapter. If the subject matter is unfamiliar, or ifthe questions are difficult to answer, read the chapter, especially the section(s) referenced by the ques- tion. The material in the book ispresented specifically with the NDT technologist in mind. It is concise and well illus- trated, but it does not require an engineering or scientific background to be comprehended. Complex theories and unimportant details are not included. The Basic Examination Level III Topical Outline for 3.0 Basic Materials, Fabrication, and Product Technology in ANSI/ ASNT CP-l 05:ASNT Standard Topical Outlines for Qualification ofNondestructive Testing Personnel (2016) is presented below for your reference: Overview Commensurate with the need for NDT Level III person- nel to have basic knowledge of materials and processes, books have been written specifically for the purpose of pre- senting the fundamentals of these subjects from an NDT perspective. Clearly, not all NDT Level III personnel need to specialize in depth in more than a few facets of industrial materials and manufacturing processes. However, the rela- tionships between NDT technology and materials and pro- cessing are pervasive. NDT personnel charged with the responsibilities of selecting appropriate NDT methods, developing techniques and procedures, and directing the efforts of others in providing meaningful and reliable NDT must have a fundamental and broad knowledge of the ori- gins, nature, behavior, and application of materials and the processes by which they are shaped into the products of today's commerce. The importance of the relationships between NDT and materials and processing technology is characterized in the ASNT Level III Basic Examination. Approximately one-third of the Basic Examination covers fundamentals of basic materials, fabrication, and product technology. Listed