1 Scope
This part of JB/T 6012 specifies magnetic particle testing and evaluation method of intake and exhaust valves for internal combustion engine (hereinafter referred to as valve).
This part is applicable to the inspection for surface and surface-close defects of ferro magnetic material of reciprocated piston internal combustion engine whose cylinder diameter is less than or equal to 200mm.
2 Normative References
Provisions of the following documents constitute some provisions of this part of JB/T 6012 through reference. For dated reference, subsequent amendments to (excluding correction to), or revisions of, any of these publications do not apply. However, the parties who enter into agreement according to these specifications are encouraged to research whether the latest editions of these labels are applied or not. For undated references, the latest editions of the normative documents are applicable to this part.
Contents
1 Scope
2 Normative References
3 Terms and Definitions
4 Personnel Qualification
5 Test Equipment and Valve Appearance Requirement
6 Requirements in Magnetic Particle and Magnetic Particle Suspension
7 Evaluation Method
8 Testing Method
9 Magnetic Trace Distinguishing Disciplines and Defect Determination
