General

Before starting the examination, the surface must be cleaned thoroughly: paint, grease and dirt must be removed, after which the penetrant liquid can be applied.

This fluid slowly penetrates into surface defects by means of the capillary action. After removing the excess penetrant fluid from the surface and applying a contrast powder (developer), the indication of the defect will become visible. The surface defect is assessed according to the required standard, resulting in acceptable or unacceptable.

Most penetrant testing is done during daylight conditions. If smaller defects need to be made visible (higher sensitivity), the testing can be done under UV light. For each application, the best choice in the penetrant process should be made in order to be able to perform an optimal test.

Scope/Products/Sectors

Surface testing of Non-ferrous materials for surface defects, pitting corrosion and/or (fatigue) cracks. It can also be used for leak testing.

The research can be applied to all non-porous materials, but in particular to the following products:

• Aluminium casting parts of more complex geometry;
• Pump housings made of Magnesium, Aluminium and/or Bronze;
• Pipes, fittings and/or welds of, for example, Austenitic steels, Aluminium and Titanium in the petrochemical and/or food industry;
• Highly strained aircraft components, such as impellors and/or turbine blades made of Titanium;

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Training Information Level 1

For whom

The training is set up and intended for (oncoming) NDT inspectors/operators for whom a qualification and/or certification is required. The course also provides an insight into the working methods of the examination, so that the student can perform the work under the supervision of a level 2 or 3 inspector/operator.

The following components are recommended for course participants:

• A VMBO/LTS prior education or similar.
• Basic knowledge of mathematics.
• Interested in engineering.
• Technical English, to be able to read work instructions.

Structure

The training includes both a theoretical and a practical part. The training time will be divided 40/60 between the theoretical and practical part. During the training, under the supervision of experienced NDT specialists, the student will lay a foundation for future work.

The objectives

• Familiarize the student with the basic principles and the pros and cons of penetrant testing.
• Be able, under supervision, to perform penetrant testing using various techniques and report the findings.
• Reading and interpreting work instructions and/or detailed procedures (mainly in English).
• Drafting of test reports (search parameters and findings).

Content of the training

Basic knowledge of the NDO methods | Material defects (Defectology) | The certification process-system | Basic principle of penetrant testing| The different types of penetrant systems | Application areas of the various penetrant systems | Process steps while performing the penetrant test | Interpretation of obtained notes on the object | Process and quality controls | Safety, environment and health

Practical information

Training duration ISO 9712:
5 days including exam, certification process done via Hobéon SKNDO.

Training duration SNT-TC-1A or EN 4179:
5 days including exam, only exam report. Final certification will have to be done by the company through its own Written Practice.

Exams:
The training meets and can be completed with an exam(-s) in accordance with the requirements of ISO 9712 or according to the requirements of the Written Practice of the own company (SNT-TC-1A and/or EN4179). The exam consists of a theoretical (general and specific) part and a practical part. Both the training and the exam(-s) are tailored to the relevant industrial sectors (e.g.: Testing before and during use (including manufacturing), aviation or railway maintenance.

Costs:

In order to be able to provide you as well as possible, we believe that a suitable quotation is desirable. Below is an overview of the different options:

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Training Information Level 2

For whom

The training is set up and intended for (oncoming) NDT inspectors/operators for whom a qualification and/or certification is required. In addition, the training gives a detailed insight into the research, this is supporting information for each work planner, QC/QA & quality manager.

The following components are recommended for course participants:

• A VMBO/MBO-3 prior education or similar.
• Basic knowledge of mathematics.
• Interested in engineering.
• Technical English, to be able to read standards, specifications & procedures.

Structure

The training includes both a theoretical and a practical part. The training time will be divided 50/50 between the theoretical and practical part. During the training, under the supervision of experienced NDT specialists, the student will lay a foundation for future work.

The objectives

• Familiarize the student with the basic principles and technical background of penetrant testing.
• Be able to perform penetrant testing using different techniques and interpreting test results.
• Be able to draft a thorough work instruction in order to direct a level 1 operator.
• Reading and interpreting procedures and/or specifications (mainly in English).
• Assess whether the identified indications meet the acceptance criteria.
• Drafting of test reports.

Content of the training

Basic knowledge of the NDO methods | Material defects (Defectology) | The certification process | system | Physical basic principle of penetrant testing | Types and sensitivities of the various penetrant systems | Application areas of the various penetrant systems | Process steps while performing the penetrant test | Interpretation of obtained test results | Process and quality controls | Safety, environment and health

Practical information

Training duration ISO 9712:
7 days including exam, certification process via Hobéon SKNDO.

Training duration SNT-TC-1A or EN 4179:
7 days including exam, exam report only. Final certification will have to be done by the company through its own Written Practice.

Exams:
The training meets and can be completed with an exam(-s) in accordance with the requirements of ISO 9712 or according to the requirements of the Written Practice of the own company (SNT-TC-1A and/or EN4179). The exam consists of a theoretical (general and specific) part and a practical part. Both the training and the exam(-s) are tailored to the relevant industrial sectors (e.g.: Testing before and during use (including manufacturing), aviation or railway maintenance.)

Costs:

In order to be able to provide you as well as possible, we believe that a suitable quotation is desirable. Below is an overview of the different options:

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Training Information Level 3

For whom

The course is set up and intended for (the oncoming) NDT specialist for whom a qualification and/or certification is required. The course also provides an insight into the working methods of the testing.

The following components are recommended for course participants:

• An MBO-4/HBO prior education or similar.
• Knowledge of mathematics and physics.
• Interested in engineering.
• Technical English, to be able to interpret standards.
• Preferably already having completed the BASIC module with a positive result or be in possession of a level 3 certificate in another method.

Structure

The training includes both a theoretical and a practical part (writing a technical procedure). The training time will be divided 80/20 between the theoretical and practical part. During the training, under the supervision of experienced NDT specialists, the student will lay a foundation for future work.

The objectives

• Familiarize the student with profound physical knowledge of penetrant testing.
• Distinction and possibilities of various test tools.
• Special/new applications within penetrant testing.
• Reading and interpreting certification related standards and/or procedures (mainly in English).
• Be able to draft a thorough procedure in order to direct a level 2 operator.

Content of the training

Physical principle of penetrant testing | Possibilities and impossibilities with regard to the capillary action and adhesion/cohesion factors | Factors affecting penetrant testing | Equipment and test Tools | Types and sensitivities of the various penetrant systems | Application areas of the various penetrant systems | Application possibilities & Latest techniques | Interpretation of codes, standards and/or specifications | Process and quality controls | Safety, environment and health

Practical information

Training duration ISO 9712:
6 days including exam, certification process via Hobéon SKNDO.

Exams:
The training meets, and can be completed with an exam(-s) compliant with the requirements of ISO 9712. The theoretical exam consists of 3 parts:

• Part D: Principles, general knowledge level 3 of the method
• Part E: Techniques & Specifications
• Part F: Procedure Writing

Both the training and the exam(-s) are tailored to the relevant industrial sectors (e.g.: Testing before and during use (including manufacturing), aviation or railway maintenance.)

Costs:

In order to be able to provide you as well as possible, we believe that a suitable quotation is desirable. Below is an overview of the different options:

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