An eleven section Boiler was found to be leaking after two years of service. Two out of 11 sections from the failed boiler were submitted for determining the cause of failure. The sections were delivered in pieces to the laboratory for failure analysis….
Two radiator cores were submitted for failure analysis. The cores had been taken out from diesel engines which reported a leakage at the radiator head gasket and leaking again 6 to 8 months after replacement of an updated gasket by manufacturer. The manufacturer…
Three pieces of a broken crank shaft of a 1300 HP V-12 twin-turbo charged, inter-cooled Man Diesel Engine from a 61 Ft Yacht were submitted to laboratory for failure analysis. Two main bearings and two rod bearing halves were also submitted. Visual examination,…
Three used cylinder liners–identified by numbers 277, 1016 and 1076–and an unused liner were submitted to the laboratory for failure analysis. The three liners were found pitted on the exterior after services of 156,829/23,273/189,000 mileages by the…
One broken boom heel of a Liebherr excavator 995 was submitted for failure analysis. The excavator was used on a marine boat. The heel had cracked above the weld to the deck mounting. Visual examination, chemical, mechanical and metallographic analyses…
Two sections of failed 48 inch underground water main were submitted for failure analysis. The two pieces appeared to be the parent pipe piece. The main break had occurred on April 19, 2005 adjacent to the Street Bridge over a River in New Jersey. The…
Two gas “Factory Assembled Transition Fittings” were submitted for determining the cause of failure. The pipe ends were found to be fractured, approximately one week after installation, during final hook up process. Visual examination, mechanical…
A section of a fractured plastic (vinyl) covered wire rope cable was submitted for failure analysis. Two new rope is also sent for comparison. The cable in question appears to have been purchased and installed on August 20, 1999. The owner of the Gymnasium…
A broken truck axle was submitted for failure analysis. The axle had broken at two locations resulting in three parts. The broken axle is one of the several similar axles that have broken in the recent batches. Two intact axles, one used and one unused,…
Five lengths of brass pipe were submitted for testing and analyses. A cause of failure analysis was conducted on one of the lengths, “NYCHA No. 1”, which had a longitudinal crack. It was reported that “NYCHA No. 1” had leaked after only a few…
