Visual Testing Fundamentals of Visual Testing – vision, lighting, material attributes, environmental factors, visual perception, direct and indirect methods – mirrors, magnifiers, boroscopes and fibroscopes – light sources and special lighting – calibration- computer-enhanced system – Employer defined applications, metallic materials including raw materials and welds – Drone based inspection- Inspection objectives, inspection checkpoints, sampling计划,检查模式 - 验收标准的指示分类 - 代码,标准和规格(ASME,ASTM,AWS等)Liquid Penetrant Testing Principles – types and properties of liquid penetrants – developers – advantages and limitations of various methods - Preparation of test materials – Application of penetrants to parts, removal of excess penetrants, post cleaning – Control and measurement of penetrant process variables – selection of penetrant method – solvent removable, water washable, post emulsifiable – Units and lighting for penetrant testing – calibration- Interpretation and evaluation of test results -染料渗透过程 - 适用的代码和标准。
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