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Surface Analysis: Beyond Roughness
. a single drive unit and incorporating a. laser interferometer within the gage. to improve the range and accuracy. of measurements, the system has a. traversing length of up to 120 millime-. ters, and can measure both contour. and roughness with a single stroke. Source: Mahr Federal Inc. Common
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Hyper-Remote Laser Sensor
The customer is at the prototype stage for building a hyper remote sensor which will fly over the ocean and be able to see 100 to 200 feet below the surface. The sensor is being designed in order to determine the composition of the ocean and the ocean floor. Gage Applied ::. Data acquisition
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Effects of Surface Treatment on Fretting Fatigue Performance of Ti-6Al-4V (.pdf)
. fatigue performance. [1,2] More recently it has. stress. In an untreated component, or one where. been demonstrated that other surface treatment. the surface treatment produces only a shallow. approaches, such as laser shock processing. compressive residual stress, the crack may be. Proceedings
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Surface Profiling by Frequency Domain Analysis of White Light Interferograms
. microscopes, laser multiwavelength interferometers, synthetic wavelength laser gages, low-. coherence interferometers, coherence scanning microscopes, absolute-distance interferometers. and so on, depending on the particular implementation of the principle. All of these instruments. and methods use some
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Effect of Surface Treatments on HCF Performance and FOD Tolerance of a Ti-6Al-4V Vane (.pdf)
Mechanical surface treatments including shot. peening (SP), laser shock peening (LSP) and low. plasticity burnishing (LPB) have been shown to. introduce compressive residual stresses that. improve high cycle fatigue (HCF) performance and. foreign object damage (FOD) tolerance. Shot. peening has
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The Effect of Surface Enhancement on the Corrosion Properties, Fatigue Strength, and Degradation of Aircraft Aluminum (.pdf)
, has long been recognized1-4 to. enhance fatigue strength. The fatigue strength of many engineering components. is often improved by shot peening (SP). Surface enhancement treatments such. as low plasticity burnishing (LPB)5, laser shock peening (LSP)6, and ultrasonic. peening7, have emerged
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Improved HCF Performance and FOD Tolerance of Surface Treated Ti-6-2-4-6 Compressor Blades (.pdf)
with fatigue strength enhancement as. be stable even after thermal exposure to 371C. the primary objective. Other examples of surface. Blade-edge bending fatigue specimens were. treatments like LPB,6 laser shock peening. designed to simulate the leading edge of an. (LSP),7 and ultrasonic peening have emerged
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Mitigation of FOD and Corrosion Fatigue Damage in 17-4 PH Stainless Steel Compressor Blades with Surface Treatment (.pdf)
like LPB5, laser shock. reports the findings of a comprehensive. peening (LSP)6, and ultrasonic peening7 have. investigation of the effect of residual. emerged. In all surface treatment processes,. compressive stresses, imparted by various. key benefits are obtained when deep. surface treatments