NS EN ISO 14918 : 1ED 1998

Foreword
Introduction
1 Scope
2 Normative references
3 Definitions
3.1 Thermal sprayer
3.2 Examiner or examining body
3.3 Specific acceptance criteria
3.4 Test piece
3.5 Test specimen
3.6 Test
4 Essential requirements for approval testing
4.1 General
4.2 Equipment operation
4.3 Masking procedure
4.4 Surface preparation
4.5 Environmental conditions
4.6 Application equipment
5 Range of approval
5.1 General
5.2 Thermal spraying processes
5.3 Qualification scope
5.4 Supervision
5.5 Shapes and dimensions of test pieces
5.6 Test methods
5.7 Acceptance requirements for test pieces
5.8 Spray materials for tests
6 Examination and testing
6.1 Job knowledge test
6.2 Additional tests
7 Re-tests
7.1 General
7.2 Additional tests
8 Period of validity
8.1 Initial approval
8.2 Prolongation
8.3 Requirements
8.4 Scheduling
8.5 Thermal sprayers with expired or cancelled qualification
       status
9 Certification
9.1 Final approval
9.2 Records
10 Designation
Annex A (normative) Job knowledge
Annex B (normative) Specific acceptance criteria
Annex C (informative) Thermal sprayer approval test certificate
Annex ZA (normative) Normative references to international
         publications with their relevant European publications

Defines procedural instructions for approval testing of thermal sprayers. It gives requirements, approval ranges, test conditions, acceptance requirements and certification for approval testing of thermal spray performance.