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The Effects of Lean Manufacturing on Occupational Safety and Ergonomics
(2022-11-29)
The association between Lean Manufacturing (LM) and occupational safety and ergonomics (S/E) is a widely disputed topic in scientific literature. This study attempts to add clarity to this controversial relationship through ...
Fatigue Properties and Reliability of Solder Joints in BGA Assembly
(2022-12-05)
Lead-free near-eutectic Sn-Ag-Cu (SAC) solder system has raised increasing attention in the electronics industry since the hazardous effects of SnPb solders. One of the critical considerations for the reliability of an ...
Mechanical Properties of Micro Alloyed SAC Lead-Free Solder with Bi For Future Electronics
(2019-12-02)
The most common solder alloy SAC305 has a significant reliability issue especially after aging. In addition to aging, multiple factors can contribute to the early failure of the solder joint.
Research has shown that shear ...
Fatigue Properties and Reliability of SnAgCu-Bi Solder Joints in Varying Stress Amplitudes
(2021-04-23)
The eutectic Sn-Pb solder alloys are widely used in the electronic packaging industry. However, they are being replaced by new near-eutectic solder alloys because of environment and health concerns associated with lead. ...
Reliability of Doped SnAgCu Solder Alloys with Various Surface Finishes Under Realistic Service Conditions
(2019-04-24)
The electronic packaging industry has moved from eutectic Sn-Pb solder materials to near-eutectic SnAgCu (SAC) solder materials in the past decade because of the increasing awareness of health and safety concerns associated ...
Evolution of the Mechanical and Microstructure Properties of SAC Alloys During Thermal Cycling
(2023-04-18)
In real-time applications, solder joints are exposed to thermal and mechanical stresses. As a result, the microstructure evolves, and mechanical characteristics deteriorate, resulting in component failure. Solders have ...
Seat Belt Safety in Rollover Accidents: Investigating Buckle Release Force and its Impact on Occupant Protection
(2023-05-02)
Seat belts have been a crucial safety feature in vehicles for over a century. They undoubtedly remain the most effective safety device in a vehicle for reducing both fatal and nonfatal injuries resulting from motor vehicle ...
Order Picking Method for Multi-entity Cooperation in Picking Warehouses
(2023-06-08)
In recent years, different kinds of autonomous robots have been widely studied and applied in warehouses to meet the increasing demand for dealing with more customer orders, providing shorter delivery time, and achieving ...
One- handed Carrying on Flat and Inclined Surfaces
(2023-06-30)
Many companies rely on manual material handling (MMH) to move raw materials or products between automated processes despite the proliferation of automation. Lifting, lowering, and carrying can lead to overexertion injuries ...
Back to the Future of Ergonomics: Utilizing Inertial Motion Capture and Fatigue Failure Theory to Develop a Cumulative Damage Assessment Method for Estimating Risk of Low Back Injury in Industrial Settings
(2023-07-26)
The central objectives of this dissertation are to critically evaluate the efficacy of a wireless sensor Inertial Motion Capture (IMC) system in estimating lumbar kinematics and kinetics within a controlled laboratory ...