Failure investigation and risks management

Investigation and root cause analysis of defects, failures, corrosions, ruptures and fractures

IS IT A FAILURE?

Our team of experts, audit and investigate a failure and its underlying cause. This is to reveal the unknown to proffer a corrective action.

Failure might be any of the following:

Hard or Catastrophic failure: The unit fails and requires repair or replacement before the system resumes operation.
Soft failures: The unit ceases to operate under some set of conditions and when those conditions are removed the system resumes operation.
Degraded performance: The function of the system is impaired due to a failure that impacts a portion of the system and does not shut down the entire system.
Drift failures: The system slowly approaches and crosses a failure threshold. It is restored with calibration, restart, or reset.

Our Proficiency

At the end of failure analysis, the customer gets a comprehensive analysis report with findings from the investigation. This report may include recommended actions, with similar parts or materials to prevent a recurrence in the future, as well as the following:

Description of the failed component
Conditions at the time of failure
Background service history
Mechanical and metallurgical data about the failed part
Evaluation of the material quality
Discussion of mechanisms that explain the root cause of the failure

Our investigation approach includes:

Failure investigation with a thorough review of background events leading to failure
Testing & inspection, including appropriate materials testing, non-destructive testing or dimensional inspection performed on the failed material
Analysis of test results by material engineers
Failure analysis report complete with all findings and any recommendations for prevention of future failures or action to be taken with similar parts
Assistance with expert witness needs and corrective actions proposal

These failures may include:

Design defects.
Manufacturing defects due to material or process deviation
Inappropriate testing of manufacturing process or products
Secondary failures resulting from the failure of another component called the instigator.
Intermittent failure which occurs under specific conditions only.
Transient failures.
Wear-out failure due to material degradation over time.
Failures of unknown origin. Here we work on revealing the unknown.

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IS IT A FAILURE?

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Our investigation approach includes:

These failures may include:

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