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Failure Analysis

Acoustic Emission (Vessel Integrity & Corrosion Monitoring)

The technology of monitoring the active corrosion condition of Above Ground Storage Tanks floors with non-intrusive method of determining the active corrosion condition of tank floors without the need to open, clean and inspect of tank.

Column Scanning

Reference Scan: Record normal operating profile after start-up or during commissioning for base lining. Verifies the system design and optimize system performance.

Performance Scan:On-line evaluation process changes. Investigate the effectiveness of antifoam addition.
Troubleshooting Scan or Diagnostic Scan: Troubleshoot a column and determine what may cause poor performance. The data can be compared with Reference scan. The result help plant owner to pin - point the problems.
Periodic Scan: To help maintaining the integrity of the column performance. Recommended one or twice yearly.

Level Interface Verification

Method used in performing reactor vessel level verification scanning services to detect liquid level/level interface in the reactor vessel.

Moisture Under Insulation

The technique which able to detect and rapidly identify wet in solution that can lead to corrosion and ultimate failure oft he plant vessel and pipework without removing any parts of insulation.

Pipe Scanning

Detect abnormality in pipes as well as to determine the integrity / condition of the mechanical inside them

Infrared Thermography Testing

Is a Non-Destructive Testing (NDT) technique based on measuring the distribution of radiant thermal energy (heat) emitted from a target surface by the use of an infrared camera, and converting this to a map of radiation intensity differences (surface temperature map) or thermo gram.

Pulsed Eddy Current

This technique is one of advanced non-destructive testing (NDT) method which is based on inducing electrical currents in conductors and measuring the accompanying secondary magnetic decay signal generated through this process. The advantage of using rectangular waveform is the reactions pulses always come when an excitation pulse is already over thus make the system less vulnerable to interference effect.

Failure Analysis and Replica Technique

An established procedure was introduced by Nuclear Malaysia for root cause analysis of failed component. The procedure enables us to investigate and relate the condition of the component prior to failure based on evidence obtainable from the sample. Furthermore, in-situ nondestructive replica technique is also used to determine the condition of the structures based on damage class classification. Thus, the technique enables us to predict the remaining life of the component that shall be in operation.

Radiotracer Technique and Applications

To determine the characteristics of circuits: flow rate measurements, leaks on heat exchangers.
To detect the abnormalities of functioning of reactors: short circuit, dead volume, defective mixture
Detailed knowledge of the conditions of flow: identification of a mathematical model of the residence time distribution and determination of the characteristic parameters (e.g. Peclet number);
Define the data to be introduced into the automatic circuits: determination of the transfer functions of phases, substances in solution or in suspension
Complete the kinetics information by hydrodynamics data: obtaining the residence time distributions of the various phases in reaction.

Metal Magnetic Memory Inspection

Metal Magnetic Memory (MMM) technology is an inspection technology that was built based on established correlation between the weak area in a structure and the physics of natural magnetic flux (self-magnetic leakage fields (SMLF)) in a ferrous and paramagnetic material. The technology is an ISO recognized technology (ISO 24497-1:2007(E), ISO 244972:2007(E), ISO 24497-1:2007(E)).

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