This specification defines the requirements for the qualification of radiographic interpreters. Certified radiographic interpreter american welding. Castings are a product form that often receive radiographic inspection since many of the defects produced by the casting process are volumetric in nature, and are thus. The aws program will provide for a portable, individual certification, independent of employer.
The radiographic interpretation course only covers the interpretation of the radiograph, therefore is suitable for personnel wishing to only interpret radiographs as opposed to creating radiographs via radiographic testing. Likewise, the raw film should be placed behind the specimen and after the film processing. The qualification of radiographic interpreters requires experience, knowledge, and skills unique to the interpretation of radiographic media and the determination of acceptance criteria for weldments and adjacent base metal. Achieve an understanding of radiographic testing rt basics, including xray and gamma radiography. Chest xrays cxr are a frequently performed radiological investigation that youll be expected to be capable of interpreting as due to the sheer volume of chest xrays requested they are often not reported immediately. In gamma ray radiography the front and back lead foils used are from. Ritt radiographic interpretation textbook2016 printing member price. In those cases where there is a question regarding the surface condition on the interpretation of a radiographic film, the film shall be compared to the actual weld surface for interpretation and determination of acceptability. This course provides the theoretical and practical knowledge required for correct viewing and interpretation of weld radiographs gained using. Radiographic interpretation is a skill that can only be mastered through knowledge of the material being tested and experience. Each of the sessions is closed by an open discussion on the correct answers and reporting. Knowledge is power and understanding the rt process for the proper interpretation of radiographs can mean the difference between acceptable and catastrophic results.
Students will utilize ges rhythm software on provided laptop computers throughout the course. May 31, 2017 iridium192 xray selenium75 inspection of welding defects by radiography examination rt radiographers weld interpretation reference agfa ndt radiography testing ultrasonic testing penetran. Nondestructive examination nde technology and codes student. The abcs of chest xray film interpretation article pdf available in chest 11. Interpretation of weld radiographs a multimedia training. Radiographic interpretation a reproduction of section eight from asnts nondestructive testing handbook, third edition. The interpretation of weld radiographs training course, developed by lloyds register and twi, introduces the basic requirements for successful weld radiograph interpretation and provides examples of weld defect images as generated by radiography. This method consists of a sensitive radiographic film being placed under a specific component i. Radiographic sensitivity in industrial radiographic testing with xray films by. Step by step analytical process that provides an exact idea of the clinical problem and helps to achieve the final diagnosis of any particular lesion. Alpert, md, facc professor of medicine, department of medicine. Certnde guide radiographic interpretation 92702 introduction this guide describes a program for the qualification, training, and testing of individuals seeking certification as aws nde inspectors for radiographic interpretation of welds. Material knowledge and experience are the most valuable aids that an interpreter can draw on.
In xray radiography generally the front lead foil is 0. The interpretation of radiographs reveals the conditions of the component or specimen. A minimum of 40 hours of organized training in radiographic interpretation examination fulfilled by the aws cri seminar related to the topics covered in the seminar. Radiographic interpretation is an essential part of the diagnostic process. Radiographic testing rt is widely used in industries, at airport for security checks, medical applications etc. Understand the basic principles of the radiographic inspection procedure, understand the radiographic film processing, procedures, recognize. An excellent radiograph is obtained under given exposure conditions with a tube current of 5 milliamperes and an exposure time of 12 minutes. Xray selenium75 inspection of welding defects by radiography examination rt radiographers weld interpretation reference agfa ndt radiography testing ultrasonic testing penetran testing mpi x film. Notice in this handbook, xray film s means radiographic film s. The purpose of radiographic interpretation is to properly assess indications produced on radiographic media during the process of evaluating weldments or adjacent base metal. The questions provide additional valuable guidance to the student. Radiographic interpretation shall follow the evaluation of radiographic film quality and required documentation as described above. Radiographic interpreters must be thoroughly familiar with all aspects of the process of radiography, as well as the welding and casting process. Tee kimtsew technical manager, lott inspection sdn.
This will help prepare you for the level ii or iii exams and work situations. Various codes and standards are included along with a number of radiographs containing natural defects. Interpretation of radiographs takes place in three basic steps. Welcome to our radiographic film interpretation course. All of these steps make use of the radiographers visual acuity. Certified radiographic interpreter american welding society. The experience, education, skills, and knowledge required for an individual to perform a particular task, as defined in a particular code or specification. Radiography testing or x ray testing is a volumetric ndt method to detect discontinuities and flaws lying inside the materials. Radiographic film interpretation rtfi this course is designed for the certified level ii rt personnel. Review of the radiographic variables related to film interpretation 2. Many indications produce subtle low contrast or unsharp images that can be difficult to interpret.
Certified radiographic interpreter schedule american. Assess radiographic quality and understand viewing condition requirements. Understand how sensitivity is achieved, controlled, and optimized in radiography. Weld metal rt film interpretation welding radiography. Courses in radiographic film interpretation, leveli, level. Radiograph interpretation castings the major objective of radiographic testing of castings is the disclosure of defects that adversely affect the strength of the product. Therefore before hitting the wards as doctors, it is essential that you develop the ability to interpret chest xrays, of particular importance, is the ability to. Weld metal rt film interpretation free download as pdf file. It includes statements about preferred practice without discussing the technical background which justifies the preference. Oct 01, 2017 film international institute of welding iiw inspection of welding defects by radiography examination rt radiographers weld interpretation reference agfa ndt radiography testing ultrasonic. Quite to the contary the speed of the film is reduced, as xrays are absorbed by the lead coating of the screens. Courses in radiographic film interpretation, leveli.
Standard guide for radiographic examination using industrial. Radiographic interpretation radiographic interpretation radiographs of welds radiographs of welds. Achieve an understanding of radiographic interpretation. Radiographic film interpretation excel tech institute. Radiographic sensitivity in industrial radiographic. Image processing for radiographic films of weld inspection.
Specification for the qualification of radiographic interpreters. Fujifilm industrial radiographic film l fujifilm data sheet 7 film focus distance. Pdf radiographic interpretation radiographic interpretation. Certnde guide radiographic interpretation 92702 qualification. It is the fourth in a series of computerbased training systems originally developed for inhouse. Specification for the qualification of radiographic. Pdf image processing for radiographic films of weld. This course provides the theoretical and practical knowledge required for correct viewing and interpretation of weld. Nondestructive examination nde technology and codes.
Is this lateral chest xray from the same patient as the last film the pa film. Radiographic sensitivity in industrial radiographic testing. At least one year experience as a companycertified or nationallycertified individual in radiographic interpretation, or performing radiographic. This is a 40 hour courseclass and meets the requirements for theory. The multiplechoice certified radiographic interpreter exam consists of two, threehour parts. Radiographic report forms calibrating and using densitometers, evaluating radiographs related to. You first have to take lessons, then you pass your test and only then do you really start to learn to drive and eventually after lots and lots of practice you become proficient at it. Radiographic testing procedure inspection for industry. Nde rt interpretation of radiography film inspection welding. View pcn radiographic film interpretation material. The time invested in becoming familiar with the contents of this handbook will result in rationalization and simplification. Section view of a weld, welding two sheets a, section view of the weld b, radiographic film of the weld c sheets can be seen. What are the responsibilities of a individual who is certified to radiographic interpretation level 2.