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RISEvaluation of Nonintrusive Active Infrared Thermography Technique to Detect Hidden Solder Ball Defects on Plastic Ball Grid Array Components
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: It is essential for electronics reliability to develop effective methodologies to detect hidden solder joint defects. Active infrared thermography is an alternative to Xray detection methodologies. The limits of active ...
Chloride Content Effect on the Corrosion Fatigue Properties of Superduplex Stainless Steels
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The corrosion fatigue performance of a superduplex stainless steel in two different chloride-bearing solutions (30g∕l and 60g∕lNaCl) is explored in the present paper. Fatigue life results and ...
Linear Force Coefficients for Squeeze-Film Dampers
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper presents a simplifed analysis of viscous squeeze-film damper behavior. It makes use of the notation of averaged inertia and calculates linear velocity and inertia coeffcients. These ...
Lotus-Leaf Inspired Surfaces: Hydrophobicity Evolution of Replicas Due to Mechanical Cleaning and Mold Wear
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Inspired from the low wetting properties of Lotus leaves, the fabrication of dual micro/nanoscale topographies is of interest to many applications. In this research, superhydrophobic surfaces are fabricated by a process ...
Assessment of Heritage Rammed-Earth Buildings: Alcázar of King Don Pedro I, Spain
Publisher: ASCE
Abstract: The conservation and maintenance of earthen buildings is crucial, especially when dealing with heritage sites. This normally involves considerable effort in preliminary studies, which must be well planned in order to ...
Experimental Characterization of an Active Infrared Thermography Heat Source
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Accurate knowledge of the heat flux characteristics provided by optical heat sources of long heating time nondestructive infrared thermography techniques is essential to determine the adequate application of such techniques; ...
An Enhanced Semi-Coupled Methodology for the Analysis and Design of Floating Production Systems
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This work presents an enhanced hybrid methodology for the analysis and design of floating production systems (FPS). The semi-coupled (S-C) procedure exploits the advantages of coupled and uncoupled models, incorporated ...
Subwavelength Direct Laser Nanopatterning Via Microparticle Arrays for Functionalizing Metallic Surfaces
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Functionalized metallic nanofeatures can be selectively fabricated via ultrashort laser processing; however, the cost-effective large-area texturing, intrinsically constrained by the diffraction limit of light, remains a ...
Subwavelength Direct Laser Nanopatterning Via Microparticle Arrays for Functionalizing Metallic Surfaces
Publisher: American Society of Mechanical Engineers (ASME)
Abstract: Functionalized metallic nanofeatures can be selectively fabricated via ultrashort laser processing; however, the cost-effective large-area texturing, intrinsically constrained by the diffraction limit of light, remains a ...