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RISBond–Slip Models for Corroded RC Members Exposed to Fire
Publisher: ASCE
Abstract: This paper presents the latest research findings investigating RC members’ residual load–slip response to combined damage caused by corrosion and fire. The idea is to simulate an accidental fire in old or aging structures ...
Reliability of State-of-Health of the Flexible Li-Ion Batteries Under Various Flexing Conditions and Calendar Aging
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Due to the necessity for flexibility without compromising the Li-ion battery (LIB) state of health (SOH), LIB is a critical challenge for flexible hybrid electronic (FHE) devices. A thin form factor-based LIB with a thickness ...
Characterization of Fatigue Performance for Bulk Epoxy Molding Compound in Sustained High Temperature Exposure Up to 1 Year Aging
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Abstract. The reliability of electronic devices is significantly influenced by the fatigue failure of packaging materials under prolonged high-temperature exposure. Epoxy molding compounds (EMCs) are widely used to encapsulate ...
On the Dynamics of a Tapered Roller Bearing
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The general motion of a roller and the cage in a tapered roller bearing is modeled as a function of frictional behavior in the bearing and cage clearances. Roller skew is shown to increase ...
Comparison of Prognostic Health Management Algorithms for Assessment of Electronic Interconnect Reliability Under Vibration
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper compares three prognostic algorithms applied to the same data recorded during the failure of a solder joint in ball grid array component attached to a printed circuit board. The objective is to expand on the ...
Micro-Mechanics of Creep-Fatigue Damage in PB-SN Solder Due to Thermal Cycling—Part I: Formulation
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper presents a micro-mechanistic approach for modeling fatigue damage initiation due to cyclic creep in eutectic Pb-Sn solder. Damage mechanics due to cyclic creep is modeled with void ...
Micro-Mechanics of Creep-Fatigue Damage in PB-SN Solder Due to Thermal Cycling—Part II: Mechanistic Insights and Cyclic Durability Predictions From Monotonic Data
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper illustrates the micromechanics approach to cyclic creep-fatigue damage of Pb-Sn, developed by the authors with the help of a simple case study. It is demonstrated that durability ...
Assessment of Lumen Degradation and Remaining Life of Light Emitting Diodes Using Physics Based Indicators and Particle Filter
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The development of lightemitting diode (LED) technology has resulted in widespread solid state lighting (SSL) use in consumer and industrial applications. Previous researchers have shown that LEDs from the same manufacturer ...
Analysis and Synthesis of Spool Valves With Arbitrary Metering Area Variation
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper presents a systematic method for analyzing and designing the notches on the spool of a flow control valve to influence the areaschedule, i.e., relationship between the spool position and the metering area. The ...
Flexoelectricity: A Perspective on an Unusual Electromechanical Coupling
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The ability of certain materials to convert electrical stimuli into mechanical deformation, and vice versa, is a prized property. Not surprisingly, applications of such socalled piezoelectric materials are broad—ranging ...