As part of our Failure Analysis blog series, we will explore the applications of Failure Analysis in the Aerospace industry. Read on as we share a case study from the industry.
In the aerospace industry the stakes are high – in case of failure, the cost could be more than just monetary in nature. By ensuring that well-performing materials and components are used, unnecessary expenditure can be avoided, and more importantly, so can potential casualties.
The Failure Analysis (FA) team has conducted thorough analyses of more than 120 cases covering crashed helicopters, landing gears of passenger aircraft and different types of aircraft engines.
In this blog, we will look at 2 case studies where our team of experts conducted failure analysis to detect the root causes of failures.
In the first case study, a Boeing 747 experienced an engine failure. During the FA investigation, it was determined that the failure was caused by fatigue cracking of a HPT blade, which was initiated by an abnormal cooling hole in the blade. The breakage of this HPT blade eventually led to the engine failure.
It was found that poor control of EDM parameters was the cause of the abnormal cooling hole, a crucial piece of information for the manufacturer and their future productions.
In the second case study, an aircraft engine failure was determined to have been caused by creep damages to its HPT blades. This damage was further attributed to previous improper over-temperature analysis of the blades.
Through failure analysis, the client and its manufacturer understand the cause of failure and were given advice on how to prevent the same issue from occurring in future productions.
Know more about our failure analysis testing services here.
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