Lake Mead Water Pump Failures
Figure 1. Lake Mead pump house. Duffner Engineering recently presented a paper at the Society for Experimental Mechanics (SEM) conference…
Author: Eric
Injury Related Deaths
Figure 1. The top 3 causes of injury related death. According to the Centers for Disease Control and Prevention (CDC)…
Impact Damage to Electronic Circuits
Figure 1. Finite element computer model of circuit board with microchip. Electronic components are being used in increasingly more abusive…
Fire Sprinkler Pipe Leaks
Figure 1. Cross section metallograph remote from the leak (36 inches away). The dots are locations where we measured the…
Fatigue Damage to Truck Cab Steps
Figure 1. Step access to truck cab. Fatigue is a well known form of progressive damage. Repeated use of parts…
Erosion Corrosion of Copper Tube
Figure 1. Erosion corrosion damage to copper tube. Figure 2. Damage showing distinctive horseshoe-type pattern downstream of elbow. Normally copper…
Dishwasher Recall
Figure 1. Typical circular dishwasher heating element. Figure 2. Scanning electron microscope micrograph of a sheath wall fracture showing progressive…
Corrosion From Outdoor Exposure
Figure 1. Corroded screws on antenna latch. It is well known that corrosion can weaken structures over time. But because…
Building Vibration
Figure 1. Three accelerometers arranged in a tri-axial fashion, and used to measure building vibration. Figure 2. Curve of…
Broken Orthopedic Table
Figure 1. Broken image amplification board (orthopedic table). Figure 2. Scanning electron microscope image of the lower facesheet that separated…